Page 357 - Handbook of Hazardous Chemical Properties

SODIUM AZJDE 347

by Inhulation (Threshold Limit Value): 0.5 mg/m3 (as arsenic); Short-Tenn Exposure Limits: Data not
available; Toxicity by Ingestion: Grade 4, LD, < 50 mgkg; Lute Toxicity: Possible carcinogenic
effects on skin and lungs; Vapor (Gas) Irritant Characteristics: Data not available; Liquid or Solid
Im'tant Characteristics: Data not available; Odor ThreshoM: Data not available.
Fire Hazards - Flash Point : Not flammable; Flammable Limits in Air (%): Not flammable; Fire
Extinguishing Agents: Not pertinent; Fire Extinguishing Agents Not To Be Used: Not pertinent; Special
Hazards of Combustion Products: Not pertinent; Behavior in Fire: No information; 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 Transport: Stable; Neutralizing Agents forAcids and Caustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor qf Polymerizm'on: Not pertinent.
SODIUM ARSENITE
Chemical DeQignations - Synonyms: Sodium metaarsenite; Chemical Formula: Na&sO,-NaAsO,.
Observable Characteristics - Physical State (as nomlly shipped): Solid; Color: White to gray; Odor:
None.
Physical and Chemical Properties - Physical State at 15 rand I atm. : Solid; Molecular Weight: Not
pertinent; Boiling Point at I arm.: Not pertinent (decomposes); Freezing Point: 1.139, 615, 888;
Critical Temperature: Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 1.87 at 20 "C
(solid); Vapor (Gas) Density: Not pertinent; Ratio of Specific Heats of Vapor (Gas): Not pertinent;
Latent Heat of Vaporization: Not pertinent; Heat ofcombustion: Not pertinent; Heat ofDecomposition:
Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Dust mask; rubber
gloves, goggles or face shield; Symptoms Following Exposure: Dust may irritate eyes. Ingestion or
excessive inhalation of dust causes irritation of stomach and intestines with nausea, vomiting, and
diarrhea: bloody stools, shock, rapid pulse, coma; General Treatment for Exposure: EYES: flush with
water for at least 15 min. SKIN: wash with large amounts of water. INGESTION: immediately induce
evacuation of intestinal tract by gastric lavage and saline cathartic, sec physician immediately, consider
possible development of arsenic poisoning; Toxicity by Inhalation (Threshold Limit Value): 0.5 mghd
(as arsenic); Short-Tenn Exposure Limits: Data not available; Toxicity by Ingestion: Grade 4, LD,, =
42 mglkg; Late Toxicity: May be carcinogenic. Arsenic poisoning may develop; Vapor (Gas) Irritant
Characteristics: Data not available; Liquid or Solid Irritant Characteristics: Data not available; Odor
Threshold Not pertinent.
Fire Hazards - Flash Point : Not flammable; Flammable Limits in Air (%): Not flammable; Fire
Extinguishing Agents: Not pertinent; Fire Extingushing Agents Not To Be Used: Not pertinent; Special
Hazards of Combustion Proakcts: Toxic arsenic fumes may form. The use of an SCBA is
recommended; Behavior in Fire: Not pertinent; 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 Transport: Stable; Neutralizing Agents forAcids and Cbustics: Not pertinent;
Polymerization: Not pertinent; Inhibitor of Polymerization: Not pertinent.
SODIUM AZIDE
Chemical Designations - Synonyms: Hydrazoic acid, sodium salt; chemical Formula: NaN,.
Observable Characteristics - Physical State (asnormally shipped): Solid; Color: White; Odor: None.
Physical and Chemical Properties - Physical State at 15 "c and I atm. : Solid; Molecular Weight:
65; Boiling Point at I am.: Not pertinent (decomposes); Freezing Point: Not pertinent; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Specific Gravity: 1.85 at 20 "C (solid);
Vapor (Gas) Density: Not pertinent; Ratio of Specific Heats qf Vapor (Gas) : Not pertinent; Latent Heat
of Vaporization: Not pertinent; Heat of Combustion: Not pertinent; Heat of Decomposition: Not
pertinent.
Health Hazards Information - Recommended Personul Protective Equipment: Dust mask, protective