BARIUM NITRATE

Barium nitrate is a soluble barium salt used in the manufacture of pyrotechnics (fireworks) and barium peroxide, for green signal lights and neon lights, and in the vacuum-tube industry (Budavari, 1996; ITI, 1995).
Barium nitrate is also used in ceramic glazes, incendiaries, electronics, tracer bullets, primers and detonators; it was formerly used in some rodenticides (HSDB , 1998).

-CLINICAL EFFECTS

GENERAL CLINICAL EFFECTS

USES: Barium nitrate is a soluble barium salt used in the manufacture of pyrotechnics (fireworks) and barium peroxide, for green signal lights and neon lights, and in the vacuum-tube industry. It is also used in ceramic glazes, incendiaries, electronics, tracer bullets, primers and detonators; it was formerly used in some rodenticides.

TOXICOLOGY: Rapid onset, severe hypokalemia is caused by sequestration of potassium in skeletal muscle cells, secondary to barium blocking potassium efflux via the sodium-potassium pump in those cells.

EPIDEMIOLOGY: Poisoning is rare, and most often occurs after deliberate ingestion.

WITH POISONING/EXPOSURE

MILD TO MODERATE POISONING: Nausea, vomiting, colicky abdominal pain, and diarrhea.
SEVERE POISONING: Profound hypokalemia, severe muscle weakness/paralysis including diaphragmatic muscles leading to hypoventilation, hypertension, and ventricular dysrhythmias/fibrillation.

POTENTIAL HEALTH HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)

Toxic by ingestion.
Inhalation of dust is toxic.
Fire may produce irritating, corrosive and/or toxic gases.
Contact with substance may cause severe burns to skin and eyes.
Runoff from fire control or dilution water may cause pollution.

-FIRST AID

FIRST AID AND PREHOSPITAL TREATMENT

MAGNESIUM

Magnesium sulfate when given orally results in the formation of nonabsorbable barium sulfate within the gastrointestinal tract. Dose: 250 mg/kg for children and 30 g for adults. Sodium sulfate is an alternative. ADULT: 30 g in 250 mL water orally.

ACTIVATED CHARCOAL/ NOT RECOMMENDED

Charcoal administration is not advised since ionic barium would likely not be adsorbed by charcoal. Spontaneous vomiting and risk of loss of airway protection both due to the barium puts the patient at risk for charcoal aspiration.

DERMAL EXPOSURE

Wash exposed skin with soap and water. Remove contaminated clothing.

-MEDICAL TREATMENT

LIFE SUPPORT

Support respiratory and cardiovascular function.

SUMMARY

FIRST AID - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)

Move victim to fresh air.
Call 911 or emergency medical service.
Give artificial respiration if victim is not breathing.
Administer oxygen if breathing is difficult.
Remove and isolate contaminated clothing and shoes.
Contaminated clothing may be a fire risk when dry.
In case of contact with substance, immediately flush skin or eyes with running water for at least 20 minutes.
Keep victim warm and quiet.
Ensure that medical personnel are aware of the material(s) involved and take precautions to protect themselves.

-RANGE OF TOXICITY

MINIMUM LETHAL EXPOSURE

GENERAL/SUMMARY

The minimum human lethal exposure has not been determined for barium nitrate. The minimum lethal exposure for other soluble barium salts has been reported to be from 1 to 15 grams (Gosselin et al, 1984).

MAXIMUM TOLERATED EXPOSURE

GENERAL/SUMMARY

CASE REPORT: Hypokalemia (serum potassium level 1.3 to 1.7 mM/L) developed in a 17-year-old boy who intentionally ingested 7 grams of barium nitrate (urine barium level 5.7 mg/mL). He was treated with high-potassium (7 mM/L; approximately double the usual level) hemodialysis and his plasma potassium level increased to 3.7 mM/L after 45 minutes. He recovered without further sequelae (Szajewski, 2004).
CASE REPORT: A 16-year-old girl ingested approximately 20 grams of barium nitrate in a suicide attempt. She did not develop paralysis, but did exhibit incoordinated muscle contractions and tachyarrhythmias. A leukocytosis with a shift to the left also developed (HSDB , 1998).
CASE REPORT: A 75-year-old woman developed severe hypokalemia (2.1 mmol/L) after intentionally ingesting a burrow mole fumigant containing 12.375 g barium nitrate and 6.255 g sublimed sulphur powder. An ECG indicated the presence of polymorphic premature ventricular complexes. With administration of oral and IV magnesium sulfate and IV potassium replacement, the patient recovered and was discharged following 3 days of uneventful observation (Payen et al, 2011).

Carcinogenicity Ratings for CAS10022-31-8 :

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): Not Listed
NIOSH (National Institute for Occupational Safety and Health, 2007): Not Listed ; Listed as: Barium nitrate (as Ba)
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 CAS10022-31-8 (U.S. Environmental Protection Agency, 2011):

Not Listed

TOXICITY VALUES

LD50- (INTRAVENOUS)MOUSE:
- 16 mg/kg (RTECS, 1998)
- 8.5 mg/kg (Lewis, 1996)
LD50- (ORAL)RAT:
- 355 mg/kg (RTECS, 1998)

-STANDARDS AND LABELS

WORKPLACE STANDARDS

ACGIH TLV Values for CAS10022-31-8 (American Conference of Governmental Industrial Hygienists, 2010):

Not Listed

AIHA WEEL Values for CAS10022-31-8 (AIHA, 2006):

Not Listed

NIOSH REL and IDLH Values for CAS10022-31-8 (National Institute for Occupational Safety and Health, 2007):

Listed as: Barium nitrate (as Ba)
REL:

TWA: 0.5 mg/m(3)
STEL:
Ceiling:
Carcinogen Listing: (Not Listed) Not Listed
Skin Designation: Not Listed
Note(s): [*Note: The REL also applies to other soluble barium compounds (as Ba) except Barium sulfate.]

IDLH:

IDLH: 50 mg Ba/m3 (as Ba)
Note(s): Not Listed

OSHA PEL Values for CAS10022-31-8 (U.S. Occupational Safety, and Health Administration (OSHA), 2010):

Not Listed

OSHA List of Highly Hazardous Chemicals, Toxics, and Reactives for CAS10022-31-8 (U.S. Occupational Safety and Health Administration, 2010):

Not Listed

ENVIRONMENTAL STANDARDS

EPA CERCLA, Hazardous Substances and Reportable Quantities for CAS10022-31-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA CERCLA, Hazardous Substances and Reportable Quantities, Radionuclides for CAS10022-31-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA RCRA Hazardous Waste Number for CAS10022-31-8 (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 CAS10022-31-8 (U.S. Environmental Protection Agency, 2010):

Not Listed

EPA SARA Title III, Community Right-to-Know for CAS10022-31-8 (40 CFR 372.65, 2006; 40 CFR 372.28, 2006):

Not Listed

DOT List of Marine Pollutants for CAS10022-31-8 (49 CFR 172.101 - App. B, 2005):

Not Listed

EPA TSCA Inventory for CAS10022-31-8 (EPA, 2005):

Listed as: Nitric acid, barium salt

SHIPPING REGULATIONS

SURFACE

DOT -- Table of Hazardous Materials and Special Provisions for UN/NA Number 1446 (49 CFR 172.101, 2005):

Hazardous materials descriptions and proper shipping name: Barium nitrate

Symbol(s): Not Listed
Hazard class or Division: 5.1

5.1: Oxidizer. See 49 CFR section 173.127 for definitions.

Identification Number: UN1446
Packing Group: II

II: Packing Group II - indicates the degree of danger presented by the material is medium.

Label(s) required (if not excepted): 5.1, 6.1

5.1: Oxidizer.
6.1: Poison Inhalation Hazard (inhalation hazard, Zone A or B) or Poison (other than inhalation hazard, Zone A or B; the packing group for a material is indicated in column 5 of the table.).

Special Provisions: IB8, IP2, IP4, T3, TP33

IB8: Authorized IBCs: Metal (11A, 11B, 11N, 21A, 21B, 21N, 31A, 31B and 31N); Rigid plastics (11H1, 11H2, 21H1, 21H2, 31H1 and 31H2); Composite (11HZ1, 11HZ2, 21HZ1, 21HZ2, 31HZ1 and 31HZ2); Fiberboard (11G); Wooden (11C, 11D and 11F); Flexible (13H1, 13H2, 13H3, 13H4, 13H5, 13L1, 13L2, 13L3, 13L4, 13M1 or 13M2).
IP2: When IBCs other than metal or rigid plastics IBCs are used, they must be offered for transportation in a closed freight container or a closed transport vehicle.
IP4: Flexible, fiberboard or wooden IBCs must be sift-proof and water-resistant or be fitted with a sift-proof and water-resistant liner.
T3: Minimum test pressure (bar): 2.65; Minimum shell thickness (in mm-reference steel) (See sxn.178.274(d)): sxn.178.274(d)(2); Pressure-relief requirements (See sxn.178.275(g)): Normal; Bottom opening requirements (See sxn.178.275(d)): sxn.178.275(d)(2).
TP33: The portable tank instruction assigned for this substance applies for granular and powdered solids and for solids which are filled and discharged at temperatures above their melting point which are cooled and transported as a solid mass. Solid substances transported or offered for transport above their melting point are authorized for transportation in portable tanks conforming to the provisions of portable tank instruction T4 for solid substances of packing group III or T7 for solid substances of packing group II, unless a tank with more stringent requirements for minimum shell thickness, maximum allowable working pressure, pressure-relief devices or bottom outlets are assigned in which case the more stringent tank instruction and special provisions shall apply. Filling limits must be in accordance with portable tank special provision TP3. Solids meeting the defnintion of an elevated temperature material must be transported in accordance with the applicable requirements of this subchapter.

Packaging Authorizations (refer to 49 CFR 173.***):

Exceptions: 152
Non-bulk packaging: 212
Bulk packaging: 242

Quantity Limitations:

Passenger aircraft or railcar: 5 kg
Cargo aircraft only: 25 kg

Vessel Stowage Requirements:

Vessel stowage location: A

A: The material may be stowed "on deck" or "under deck" on a cargo vessel and on a passenger vessel.

Vessel stowage other: Not Listed

ICAO International Shipping Name for UN1446 (ICAO, 2002):

Proper Shipping Name: Barium nitrate
UN Number: 1446

LABELS

NFPA

NFPA Hazard Ratings for CAS10022-31-8 (NFPA, 2002):

Not Listed

-HANDLING AND STORAGE

SUMMARY

INDUSTRIAL CHEMICALS

Do not walk through or touch spilled material (DOT, 1990).
Keep combustibles away from substance (DOT, 1990).
Isolate the hazard area, deny entry and keep non-response personnel away (DOT, 1990).
Positive pressure self-contained breathing apparatus (SCBA) and structural firefighters' protective clothing may provide limited protection (DOT, 1990).

-PERSONAL PROTECTION

SUMMARY

RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (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 will only provide limited protection.

PROTECTIVE CLOTHING

CHEMICAL PROTECTIVE CLOTHING. Search results for CAS 10022-31-8.

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.

-PHYSICAL HAZARDS

FIRE HAZARD

SUMMARY

POTENTIAL FIRE OR EXPLOSION HAZARDS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)
- These substances will accelerate burning when involved in a fire.
- May explode from heat or contamination.
- Some may burn rapidly.
- Some will react explosively with hydrocarbons (fuels).
- May ignite combustibles (wood, paper, oil, clothing, etc.).
- Containers may explode when heated.
- Runoff may create fire or explosion hazard.

FLAMMABILITY CLASSIFICATION

NFPA Flammability Rating for CAS10022-31-8 (NFPA, 2002):

Not Listed

FIRE CONTROL/EXTINGUISHING AGENTS

SMALL FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)

Use water. Do not use dry chemicals or foams. CO2 or Halon® may provide limited control.

LARGE FIRE PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)

Flood fire area with water from a distance.
Move containers from fire area if you can do it without risk.
Do not move cargo or vehicle if cargo has been exposed to heat.
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.
ALWAYS stay away from tanks engulfed in fire.
For massive fire, use unmanned hose holders or monitor nozzles; if this is impossible, withdraw from area and let fire burn.

NFPA Extinguishing Methods for CAS10022-31-8 (NFPA, 2002):

Not Listed

REACTIVITY HAZARD

Reacts with aluminum-magnesium alloy to cause combustion (ITI, 1995).

May react with barium dioxide and zinc to cause explosion (ITI, 1995).

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 141 (ERG, 2004)

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

FIRE - PUBLIC SAFETY EVACUATION DISTANCES - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (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 141 (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 in all directions for at least 50 meters (150 feet) for liquids and at least 25 meters (75 feet) for solids.
Keep unauthorized personnel away.
Stay upwind.
Keep out of low areas.
Ventilate closed spaces before entering.

AIHA ERPG Values for CAS10022-31-8 (AIHA, 2006):

Not Listed

DOE TEEL Values for CAS10022-31-8 (U.S. Department of Energy, Office of Emergency Management, 2010):

Listed as Barium nitrate
TEEL-0 (units = mg/m3): 0.951
TEEL-1 (units = mg/m3): 6
TEEL-2 (units = mg/m3): 50
TEEL-3 (units = mg/m3): 95.1
Definitions:

TEEL-0: The threshold concentration below which most people will experience no adverse health effects.
TEEL-1: The airborne concentration (expressed as ppm [parts per million] or mg/m(3) [milligrams per cubic meter]) of a substance above which it is predicted that the general population, including susceptible individuals, could experience notable discomfort, irritation, or certain asymptomatic, nonsensory effects. However, these effects are not disabling and are transient and reversible upon cessation of exposure.
TEEL-2: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience irreversible or other serious, long-lasting, adverse health effects or an impaired ability to escape.
TEEL-3: The airborne concentration (expressed as ppm or mg/m(3)) of a substance above which it is predicted that the general population, including susceptible individuals, could experience life-threatening adverse health effects or death.

AEGL Values for CAS10022-31-8 (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 CAS10022-31-8 (National Institute for Occupational Safety and Health, 2007):

IDLH: 50 mg Ba/m3 (as Ba)
Note(s): Not Listed

CONTAINMENT/WASTE TREATMENT OPTIONS

SUMMARY

SPILL OR LEAK PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)
- Keep combustibles (wood, paper, oil, etc.) away from spilled material.
- Do not touch damaged containers or spilled material unless wearing appropriate protective clothing.
- Stop leak if you can do it without risk.
RECOMMENDED PROTECTIVE CLOTHING - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (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 will only provide limited protection.

SMALL LEAK/SPILL

SMALL DRY SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)
- With clean shovel place material into clean, dry container and cover loosely; move containers from spill area.

LARGE LEAK/SPILL

LARGE SPILL PRECAUTIONS - EMERGENCY RESPONSE GUIDEBOOK, GUIDE 141 (ERG, 2004)
- Dike far ahead of spill for later disposal.

-PHYSICAL/CHEMICAL PROPERTIES

MOLECULAR WEIGHT

261.37

DESCRIPTION/PHYSICAL STATE

Barium nitrate is a white crystalline solid (Student, 1981).

SPECIFIC GRAVITY

TEMPERATURE AND/OR PRESSURE NOT LISTED

SOLID: 3.24 (ITI, 1995)

DENSITY

OTHER TEMPERATURE AND/OR PRESSURE

SOLID: 3.24 (at 23 degrees C) (Lewis, 1996)

FREEZING/MELTING POINT

MELTING POINT

592 degrees C (Clayton & Clayton, 1994)

SOLUBILITY

IN WATER

soluble in water 87 g/L (at 20 degrees C) and 342 g/L (at 100 degrees C) (Clayton & Clayton, 1994)

IN ORGANIC SOLVENTS

insoluble in alcohol (Clayton & Clayton, 1994)

OTHER

slightly soluble in acid (Clayton & Clayton, 1994)

OTHER/PHYSICAL

ODOR THRESHOLD

Odorless (CHRIS , 2002)

-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.

65 FR 77866: 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.

66 FR 21940: 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, 2001.

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BARIUM NITRATE

Classification | Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents

Information to evaluate chemical incidents