Page 43 - Handbook of Hazardous Chemical Properties

BARIUM CARBONATE 33

reactions; Stability During Transport: Stable; Neutralizing Agents forAcids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerimtion: Not pertinent.

AZINPHOSMETHYL
Chemical Designations - Synonyms: 0-0-Dimethyl S-[(4-0xo- 1,2,3-Benzotriazine-3(4H)-yl)Methyl]
Phosphorodithioate, Gurthion Insecticide, Gusathion Insecticide; Chemical Formula: CJI1,N3O3PS2,
Observable Characteristics - Physical State (as nonnally shipped): Solid; Color: Brown; Odor: No
data.
Physical and Chemical Properties - Physical State at I5 “c and I atm. : Solid; Molecular Weight:
317; Boiling Point at I am.: Decomposes; Freezing Point: 163, 73, 346; Critical Temperature: Not
Pertinent; Critical Pressure: Not Pertinent; Specific Gravity: 1.4 at 20°C (solid); Vapor (Gas) Density:
Not Pertinent; Ratio ofSpecijic Heats of Vapor (Gas): Not Pertinent; Latent Heat of Vaporization: Not
Pertinent; Heat of Combustion: -8600, -4800, -200; Heat of Decomposition: Not Pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Dust mask, protective
goggles, and rubber gloves; Symptoms Following Exposure: Dust irritates eyes. Inhalation or ingestion
causes sweating, constriction of pupils of the eyes, asthmatic conditions, cramps, weakness,
convulsions, collapse; General Treatment for Exposure: INHALATION - Remove victim to fresh air;
keep warm, and seek physician. EYES - Flush with fresh running water for at least 15 min. SKIN -
Flush with water and wash with soap and water; Toxicity by Inhalation (Threshold Limit Value): 0.2
mg/m3; Short-Tern Exposure Limits: No data; Toxicity by Ingestion: Oral rat LD, = 11 - 18.5
mg/kg; Lute Toxicity: No data; Vapor (Gas) Irritant Characteristics: No data; Liquid or Solid Irritant
Characteristics: No data; Odor lkreshold No data.
Fire Hazards - Flash Point: Not flammable; Flammable Limits in Air (36): Not flammable; Fire
Extinguishing Agents: Not pertinent; Fire Extinguishing Agents Not To Be Used: Not pertinent; special
Hazards of Combustion Products: Oxides of sulfur and phosphorous may be formed when exposed to
a fire situation; Behavior in Fire: Data not available; Ignition Temperature: Not pertinent; Electrical
Hazard: Not pertinent; Burning Rate: Not pertinent.
Chemical Reactivity - Reactivity with Water: No reaction; Reactivity with Common Materials: No
reactions; Stability During Tmport: Stable; Neutralizing Agents forAcids and Caustics: Not pertinent;
Polymerizah‘on: Not pertinent; Inhibitor of Polymerization: Not pertinent.

BARIUM CARBONATE
Chemical Designations - Synonyms: No common synonyms; Chemical Fonnula: BaCo,.
Observable Characteristics - Physical State: Solid; Color: White; Odor: None.
Physical and Chemical Properties - Physical State at 15 “c and I atm. : Solid; Molecular Weight:
197.35; Boiling Point at I atm.: Not pertinent; Freezing Point: Not pertinent; Critical Temperature:
Not pertinent; Critical Pressure: Not pertinent; SpeciJc Gravity: 4.3 at 20°C(solid); Vapor (Gas)
Density: Not pertinent; Ratio of SpeciJc Heats of Vapor (Gas): Not pertinent; Latent Heat of
Vaporizafion: Not pertinent; Heat of Combustion: Not pertinent; Heat ofDecomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Dust respirator;
Symptoms Following l5posure: (Ingestion only): excessive salvation, vomiting, severe abdominal pain,
and violent purging with watering and bloody stools; a slow and often irregular pulse and a transient
elevation in arterial blood pressure; tinnitus, giddiness and vertigo; muscle twitching, progressing to
convulsions andor paralysis; dilated pupils with impaired accommodation; confusion and increasing
somnolence, without coma; collapse and death from respiratory failure and cardiac arrest; General
Treatment for Exposure: Rapid oral administration of a soluble sulfate in water, such as magnesium or
sodium sulfate(2 oz),alum (4 mg), or very dilute sulfuric acid (30 ml of a 10 36 solution diluted to 1