NAPHTHALENE DIISOCYANATE

Editor's Note: This material is not listed in the Emergency Response Guidebook. Based on the material's physical and chemical properties, toxicity, or chemical group, a guide has been assigned. For additional technical information, contact one of the emergency response telephone numbers listed under Public Safety Measures.

MOLECULAR FORMULA

C12-H6-N2-O2 C10H6(NCO)2 OCN-C10H6-NCO

ERG GUIDE NUMBER

134-FLAMMABLE SOLIDS - TOXIC and/or CORROSIVE

SYNONYM REFERENCE

(Anon, 1997)LOLI, 1998;(NIOSH , 1998; RTECS , 1998)

USES/FORMS/SOURCES

USES

Naphthalene diisocyanate is used in the manufacture of polyurethane solid elastomers (Clayton & Clayton, 1994; Lewis, 1993).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

Naphthalene diisocyanate may be toxic from inhalation, ingestion, and skin or eye exposure. It is irritating to the eyes, and mucous membranes. Cough, dyspnea, excessive pulmonary secretions, bronchospasm, and chest pain may occur.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

TOXIC; inhalation, ingestion, or skin contact with material may cause severe injury or death.
Fire will produce irritating, corrosive and/or toxic gases.
Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
Do not use mouth-to-mouth method if victim ingested or inhaled the substance; give artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes.
In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes.
For minor skin contact, avoid spreading material on unaffected skin.
Keep victim warm and quiet.
Effects of exposure (inhalation, ingestion or skin contact) to substance may be delayed.
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.

FIRST AID

FIRST AID

EYE EXPOSURE - Immediately wash the eyes with large amounts of water, occasionally lifting the lower and upper lids. Get medical attention immediately. Contact lenses should not be worn when working with this chemical.
DERMAL EXPOSURE - Immediately wash the contaminated skin with soap and water. If this chemical penetrates the clothing, immediately remove the clothing, wash the skin with soap and water, and get medical attention promptly.
INHALATION EXPOSURE - Move the exposed person to fresh air at once. If breathing has stopped, perform artificial respiration. Keep the affected person warm and at rest. Get medical attention as soon as possible.
ORAL EXPOSURE - If this chemical has been swallowed, get medical attention immediately.
TARGET ORGANS - Eyes and respiratory system (National Institute for Occupational Safety and Health, 2007).

GENERAL -

Move victims of inhalation exposure from the toxic environment and administer 100% humidified supplemental oxygen with assisted ventilation as required. Exposed skin and eyes should be copiously flushed with water. Ingestion may result in significant esophageal or gastrointestinal tract irritation or burns, and EMESIS SHOULD NOT BE INDUCED. Cautious gastric lavage followed by administration of activated charcoal may be of benefit if the patient is seen soon after the exposure.

INHALATION EXPOSURE -

INHALATION: Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with an inhaled beta2-adrenergic agonist. Consider systemic corticosteroids in patients with significant bronchospasm.
If bronchospasm and wheezing occur, consider treatment with inhaled sympathomimetic agents.

DERMAL EXPOSURE -

DECONTAMINATION: Remove contaminated clothing and jewelry and place them in plastic bags. Wash exposed areas with soap and water for 10 to 15 minutes with gentle sponging to avoid skin breakdown. A physician may need to examine the area if irritation or pain persists (Burgess et al, 1999).
Treat dermal irritation or burns with standard topical therapy. Patients developing dermal hypersensitivity reactions may require treatment with systemic or topical corticosteroids or antihistamines.

EYE EXPOSURE -

DECONTAMINATION: Remove contact lenses and irrigate exposed eyes with copious amounts of room temperature 0.9% saline or water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist after 15 minutes of irrigation, the patient should be seen in a healthcare facility.

ORAL EXPOSURE -

Because of the potential for gastrointestinal tract irritation, Do NOT induce emesis.
Significant esophageal or gastrointestinal tract irritation or burns may occur following ingestion. The possible benefit of early removal of some ingested material by cautious gastric lavage must be weighed against potential complications of bleeding or perforation.
GASTRIC LAVAGE: Consider after ingestion of a potentially life-threatening amount of poison if it can be performed soon after ingestion (generally within 1 hour). Protect airway by placement in the head down left lateral decubitus position or by endotracheal intubation. Control any seizures first.

CONTRAINDICATIONS: Loss of airway protective reflexes or decreased level of consciousness in unintubated patients; following ingestion of corrosives; hydrocarbons (high aspiration potential); patients at risk of hemorrhage or gastrointestinal perforation; and trivial or non-toxic ingestion.

ACTIVATED CHARCOAL: Administer charcoal as a slurry (240 mL water/30 g charcoal). Usual dose: 25 to 100 g in adults/adolescents, 25 to 50 g in children (1 to 12 years), and 1 g/kg in infants less than 1 year old.
Observe patients with ingestion carefully for the possible development of esophageal or gastrointestinal tract irritation or burns. If signs or symptoms of esophageal irritation or burns are present, consider endoscopy to determine the extent of injury.

-RANGE OF TOXICITY

MAXIMUM TOLERATED EXPOSURE

Carcinogenicity Ratings for CAS3173-72-6 :

ACGIH (American Conference of Governmental Industrial Hygienists, 2010): Not Listed
EPA (U.S. Environmental Protection Agency, 2011): Not Listed
IARC (International Agency for Research on Cancer (IARC), 2016; International Agency for Research on Cancer, 2015; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2010a; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2008; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2007; IARC Working Group on the Evaluation of Carcinogenic Risks to Humans, 2006; IARC, 2004): 3 ; Listed as: 1,5-Naphthalene diisocyanate

3 : The agent (mixture or exposure circumstance) is not classifiable as to its carcinogenicity to humans. This category is used most commonly for agents, mixtures and exposure circumstances for which the evidence of carcinogenicity is inadequate in humans and inadequate or limited in experimental animals. Exceptionally, agents (mixtures) for which the evidence of carcinogenicity is inadequate in humans but sufficient in experimental animals may be placed in this category when there is strong evidence that the mechanism of carcinogenicity in experimental animals does not operate in humans. Agents, mixtures and exposure circumstances that do not fall into any other group are also placed in this category.

NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed ; Listed as: Naphthalene diisocyanate
MAK (DFG, 2002): Not Listed
NTP (U.S. Department of Health and Human Services, Public Health Service, National Toxicology Project ): Not Listed

TOXICITY AND RISK ASSESSMENT VALUES

EPA IRIS

EPA Risk Assessment Values for CAS3173-72-6 (U.S. Environmental Protection Agency, 2011):

Not Listed

CALCULATIONS

AMBIENT CONVERSIONS

1 ppm = 8.60 mg/m(3) (at 760 mmHg and 68 degrees F) (NIOSH , 1998)

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS3173-72-6 (American Conference of Governmental Industrial Hygienists, 2010):

Not Listed

AIHA WEEL Values for CAS3173-72-6 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS3173-72-6 (National Institute for Occupational Safety and Health, 2007):

Listed as: Naphthalene diisocyanate
REL:

TWA: 0.040 mg/m(3) (0.005 ppm)
STEL:
Ceiling: 0.170 mg/m(3) (0.020 ppm) [10-minute]
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: Not Listed
Note(s):

IDLH: Not Listed

OSHA PEL Values for CAS3173-72-6 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS3173-72-6 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS3173-72-6 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS3173-72-6 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS3173-72-6 (U.S. Environmental Protection Agency, 2010b):

Not Listed
Editor's Note: The D, F, and K series waste numbers and Appendix VIII to Part 261 -- Hazardous Constituents were not included. Please refer to 40 CFR Part 261.

EPA SARA Title III, Extremely Hazardous Substance List for CAS3173-72-6 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS3173-72-6 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Listed as: 1,5-Naphthalene diisocyanate
Effective Date for Reporting Under 40 CFR 372.30: 1/1/95
Lower Thresholds for Chemicals of Special Concern under 40 CFR 372.28:

DOT List of Marine Pollutants for CAS3173-72-6 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS3173-72-6 (EPA, 2005):

Listed as: Naphthalene, 1,5-diisocyanato-

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions (49 CFR 172.101, 2005):

Not Listed

ICAO International Shipping Name (ICAO, 2002):

Not Listed

LABELS

NFPA

NFPA Hazard Ratings for CAS3173-72-6 (NFPA, 2002):

Not Listed

-HANDLING AND STORAGE

STORAGE

ROOM/CABINET RECOMMENDATIONS

Precautions to minimize dust should be undertaken (Anon, 1997).

INCOMPATIBILITIES

Keep naphthalene diisocyanate separated from oxidizers (Anon, 1997).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

Wear positive pressure self-contained breathing apparatus (SCBA).
Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.

Appropriate personal protective clothing should be worn to prevent contact with naphthalene diisocyanate. If skin contact occurs, washing should be done immediately. Contaminated or wet clothing should be removed and replaced. Workers whose clothing may have become contaminated should change before leaving the job site (NIOSH , 1998).

EYE/FACE PROTECTION

Appropriate eye protection should be worn to prevent contact with this compound (NIOSH , 1998).

Emergency eye wash fountains should be provided within the immediate work area (Anon, 1997).

RESPIRATORY PROTECTION

Refer to "Recommendations for respirator selection" in the NIOSH Pocket Guide to Chemical Hazards on TOMES Plus(R) for respirator information.

PROTECTIVE CLOTHING

CHEMICAL PROTECTIVE CLOTHING. Search results for CAS 3173-72-6.

Specific recommendations and test data for this chemical were not found in the available manufacturers' product literature. A complete list of consulted manufacturers and references is presented below.

ENGINEERING CONTROLS

Local exhaust ventilation should be used to prevent high levels of ambient dust. Equipment needs to be explosion-resistant. (Note: The upper and lower explosive limits for this compound are unknown.) (Anon, 1997; NIOSH , 1998)

OTHER

INDUSTRIAL DECONTAMINATION

A facility for quickly drenching the body, or body parts, with water needs to be provided within the immediate work area. This is intended to quickly remove this compound from any body areas likely to be exposed. In some instances a hose connected to a sink may be permissible, in others a full deluge shower may be required (Anon, 1997).

-PHYSICAL HAZARDS

FIRE HAZARD

SUMMARY

Editor's Note: This material is not listed in the Emergency Response Guidebook. Based on the material's physical and chemical properties, toxicity, or chemical group, a guide has been assigned. For additional technical information, contact one of the emergency response telephone numbers listed under Public Safety Measures.
POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)
- Flammable/combustible material.
- May be ignited by heat, sparks or flames.
- When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards.
- Contact with metals may evolve flammable hydrogen gas.
- Containers may explode when heated.
Naphthalene diisocyanate is a combustible solid. It is a fire hazard when near heat, open flame, or any other possible ignition source (Anon, 1997; NIOSH , 1998).

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS3173-72-6 (NFPA, 2002):

Not Listed

FIRE CONTROL/EXTINGUISHING AGENTS

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

Dry chemical, CO2, water spray or alcohol-resistant foam.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

Water spray, fog or alcohol-resistant foam.
Move containers from fire area if you can do it without risk.
Use water spray or fog; do not use straight streams.
Do not get water inside containers.
Dike fire control water for later disposal; do not scatter the material.

TANK OR CAR/TRAILER LOAD FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

Fight fire from maximum distance or use unmanned hose holders or monitor nozzles.
Cool containers with flooding quantities of water until well after fire is out.
Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank.
ALWAYS stay away from tanks engulfed in fire.

NFPA Extinguishing Methods for CAS3173-72-6 (NFPA, 2002):

Not Listed

In fighting a fire involving this compound, utilize dry chemical powder, carbon dioxide, and foam. Water may also be utilized as a spray or mist, but be careful not to scatter the spilled material with high-pressure water streams. Stay upwind to avoid exposure to this material and its combustion products. Employ dikes to control runoff for later disposal (Anon, 1997) LOLI, 1998).

EXPLOSION HAZARD

Naphthalene diisocyanate dust/air mixtures may ignite or explode (Anon, 1997).

Contact with strong oxidizers may result in fire and explosion (Anon, 1997).

DUST/VAPOR HAZARD

When heated to decomposition, this compound will release oxides of carbon, nitrogen, and cyanide (Anon, 1997).

REACTIVITY HAZARD

This compound is incompatible with oxidizing materials; contact with strong oxidizers may result in fire and explosion (Anon, 1997).

Naphthalene diisocyanate is stable at normal temperatures and pressure (Anon, 1997).

EVACUATION PROCEDURES

SUMMARY

Editor's Note: This material is not listed in the Table of Initial Isolation and Protective Action Distances.

LARGE SPILL - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

Consider initial downwind evacuation for at least 100 meters (330 feet).

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

If tank, rail car or tank truck is involved in a fire, ISOLATE for 800 meters (1/2 mile) in all directions; also, consider initial evacuation for 800 meters (1/2 mile) in all directions.

PUBLIC SAFETY MEASURES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)

CALL Emergency Response Telephone Number on Shipping Paper first. If Shipping Paper not available or no answer, refer to appropriate telephone number:

MEXICO:

SETIQ:

01-800-00-214-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5559-1588;
For calls originating elsewhere, call: 011-52-555-559-1588.

CENACOM:

01-800-00-413-00 in the Mexican Republic;
For calls originating in Mexico City and the Metropolitan Area: 5550-1496, 5550-1552, 5550-1485, or 5550-4885;
For calls originating elsewhere, call: 011-52-555-550-1496, or 011-52-555-550-1552; 011-52-555-550-1485, or 011-52-555-550-4885.

ARGENTINA:

CIQUIME:

0-800-222-2933 in the Republic of Argentina;
For calls originating elsewhere, call: +54-11-4613-1100.

BRAZIL:

PRÓ-QUÍMICA:

0-800-118270 (Toll-free in Brazil);
For calls originating elsewhere, call: +55-11-232-1144 (Collect calls are accepted).

COLUMBIA:

CISPROQUIM:

01-800-091-6012 in Colombia;
For calls originating in Bogotá, Colombia, call: 288-6012;
For calls originating elsewhere, call: 011-57-1-288-6012.

CANADA:

CANUTEC:

613-996-6666 (Collect calls are accepted);
*666 cellular (in Canada only).

UNITED STATES:

CHEMTREC®:

1-800-424-9300 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
703-527-3887 for calls originating elsewhere (Collect calls are accepted).

CHEM-TEL, INC.:

1-800-255-3924 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
813-248-0585 for calls originating elsewhere (Collect calls are accepted).

INFOTRAC:

1-800-535-5053 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
352-323-3500 for calls originating elsewhere (Collect calls are accepted).

3E COMPANY:

1-800-451-8346 (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
760-602-8703 for calls originating elsewhere (Collect calls are accepted).

NATIONAL RESPONSE CENTER (NRC):

1-800-424-8802 - (24 hours) (Toll-free in the U.S., Canada, and the U.S. Virgin Islands);
202-267-2675 for calls in the District of Columbia.

MILITARY SHIPMENTS:

703-697-0218 - Explosives/ammunition incidents (Collect calls are accepted);
1-800-851-8061 - All other dangerous goods incidents.

NATIONWIDE POISON CONTROL CENTER (United States only):

1-800-222-1222 (Toll-free in the U.S.).

For additional details see the section entitled "WHO TO CALL FOR ASSISTANCE" under the ERG Instructions.
As an immediate precautionary measure, isolate spill or leak area for at least 25 meters (75 feet) in all directions.
Stay upwind.
Keep unauthorized personnel away.
Keep out of low areas.
Ventilate enclosed areas.

AIHA ERPG Values for CAS3173-72-6 (AIHA, 2006):

Not Listed

DOE TEEL Values for CAS3173-72-6 (U.S. Department of Energy, Office of Emergency Management, 2010):

Not Listed

AEGL Values for CAS3173-72-6 (National Research Council, 2010; National Research Council, 2009; National Research Council, 2008; National Research Council, 2007; NRC, 2001; NRC, 2002; NRC, 2003; NRC, 2004; NRC, 2004; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; United States Environmental Protection Agency Office of Pollution Prevention and Toxics, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2009; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2008; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2007; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2005; National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances, 2006; 62 FR 58840, 1997; 65 FR 14186, 2000; 65 FR 39264, 2000; 65 FR 77866, 2000; 66 FR 21940, 2001; 67 FR 7164, 2002; 68 FR 42710, 2003; 69 FR 54144, 2004):

Not Listed

NIOSH IDLH Values for CAS3173-72-6 (National Institute for Occupational Safety and Health, 2007):

Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)
- Fully encapsulating, vapor protective clothing should be worn for spills and leaks with no fire.
- ELIMINATE all ignition sources (no smoking, flares, sparks or flames in immediate area).
- Stop leak if you can do it without risk.
- Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.
- Prevent entry into waterways, sewers, basements or confined areas.
- Use clean non-sparking tools to collect material and place it into loosely covered plastic containers for later disposal.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 134 (ERG, 2004)
- Wear positive pressure self-contained breathing apparatus (SCBA).
- Wear chemical protective clothing that is specifically recommended by the manufacturer. It may provide little or no thermal protection.
- Structural firefighters' protective clothing provides limited protection in fire situations ONLY; it is not effective in spill situations where direct contact with the substance is possible.
Stay upwind to avoid exposure to the material. Keep all persons except emergency personnel out of the immediate area. Spilled material should be collected and placed in an appropriate container. Ensure that naphthalene diisocyanate does not enter sewers or water supplies (Anon, 1997).

-ENVIRONMENTAL HAZARD MANAGEMENT

POLLUTION HAZARD

No information found at the time of this review.

ABIOTIC DEGRADATION

No information found at the time of this review.

ENVIRONMENTAL TOXICITY

No information found at the time of this review.

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

210.19

DESCRIPTION/PHYSICAL STATE

Naphthalene Diisocyanate exists as white to light-yellow, crystalline flakes (Anon, 1997; Lewis, 1993; NIOSH , 1998).

VAPOR PRESSURE

0.003 mmHg (at 75 degrees F) (NIOSH , 1998)

0.003 mmHg (at 24 degrees C) (Anon, 1997)

0.003 mmHg; 0.0004 kPa (at 25 degrees C) (LOLI, 1998)

FREEZING/MELTING POINT

MELTING POINT

127-131 degrees C (Lewis, 1993)
127-132 degrees C; 261-270 degrees F (Anon, 1997) LOLI, 1998)
261 degrees F (NIOSH , 1998)

BOILING POINT

505 degrees F (NIOSH , 1998)

263 degrees C; 505 degrees F (Anon, 1997) LOLI, 1998)

FLASH POINT

155 degrees C; 311 degrees F (Anon, 1997)

311 degrees F (open cup) (NIOSH , 1998)

EXPLOSIVE LIMITS

LOWER

Unknown (NIOSH , 1998)

UPPER

Unknown (NIOSH , 1998)

OTHER/PHYSICAL

ODOR THRESHOLD

Not Listed (CHRIS , 1998)

-REFERENCES

GENERAL BIBLIOGRAPHY

40 CFR 372.28: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Lower thresholds for chemicals of special concern. National Archives and Records Administration (NARA) and the Government Printing Office (GPO). Washington, DC. Final rules current as of Apr 3, 2006.

40 CFR 372.65: Environmental Protection Agency - Toxic Chemical Release Reporting, Community Right-To-Know, Chemicals and Chemical Categories to which this part applies. National Archives and Records Association (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Apr 3, 2006.

49 CFR 172.101 - App. B: Department of Transportation - Table of Hazardous Materials, Appendix B: List of Marine Pollutants. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 29, 2005.

49 CFR 172.101: Department of Transportation - Table of Hazardous Materials. National Archives and Records Administration (NARA) and the Government Printing Office (GPO), Washington, DC. Final rules current as of Aug 11, 2005.

62 FR 58840: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 1997.

65 FR 14186: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

65 FR 39264: Notice of the National Advisory Committee for Acute Exposure Guideline Levels for Hazardous Substances - Proposed AEGL Values, Environmental Protection Agency, NAC/AEGL Committee. National Archives and Records Administration (NARA) and the Government Publishing Office (GPO), Washington, DC, 2000.

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Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents