Page 87 - Handbook of Hazardous Chemical Properties

CALCIUM PHOSPHIDE 77
present; the principle effect is heat is liberated; Stability During Transport: Stable; Neutralizing Agents
for Acids and Caustics: Not pertinent; Polymerization: Not pertinent; Inhibitor of Polymerizm’on: Not
pertinent.

CALCIUM PEROXIDE
Chemical Designations - Synonyms: Calcium Dioxide; chemical Formula: CaO,
Observable Characteristics - Physical State (as normally shipped): Solid; Color: Yellow-white; Odor:
None.
Physical and Chemical Properties - Physical State at 15 “c and I atm. : Solid; Molecular Weight:
72.1; Boiling Point at I atm. : Decomposes; Freezing Point: Not pertinent; Critical Temperature: Not
pertinent; Critical Pressure: Not pertinent; Specific Gravity: 2.92 at 25°C (solid); Vqor (Gas) Density:
Not pertinent; Ratio of Specific Heats of Vqor (Gas): Not pertinent; Latent Heat of Vaporization: Not
pertinent; Heat of Combustion: Not pertinent; Heat of Decomposition: -135, -75, -3.1.
Health Hazards Information - Recommended Personal Protective Equipment: Toxic dust respirator;
general-purpose gloves; chemical safety goggles; full cover clothing; Symptoms Following Exposure:
Inhalation of dust irritates nose and throat. Dust also irritates eyes and skin on contact and irritates
mouth and stomach if ingested; General Treatment for Exposure: INHALATION: remove to fresh air.
EYES: flush with water for 15 min. And consult a physician. SKIN: flush with water. INGESTION:
dive large amounts of water; Toxicity by Inhalation (ThresholdLim’t Value): Data not available; Short-
Term Exposure Limits: Data not available; Toxicity by Ingestion: Data not available; Lute Toxicity: Data
not available; Vqor (Gas) Irritant Characteristics: Data not available; Liquid or Solid Irritant
Characteristics: Data not available; Odor Threshold Not pertinent.
Fire Hazards - Flash Point: Not flammable but may cause fires upon contact with combustible
materials; Flammable Limits in Air (96): Not pertinent; Fire Extinguishing Agents: Flood with water
or use dry powder such as graphite or powdered limestone; Fire Extinguishing Agents Not To Be Used
Not pertinent; Special Hazards of Combustion Products: Not pertinent; Behavior in Fire: Can increase
the intensity and severity of fires; containers may explode; Ignition Temperature: Not pertinent;
Electrical Hazard Not pertinent; Burning Rate: Not pertinent.
Chemical Reactivity - Reactivity with Water: Reacts slowly with water at room temperature to form
limewater and oxygen gas; Reactivity with Common Materials: Heavy metals and dirt can accelerate
decomposition to lime and oxygen. The reaction is not explosive; Stability During Transport: Stable;
Neutralizing Agents for Acids and Caustics: Flush with water; Polymerization: Not pertinent; Inhibitor
of Polymerizm‘on: Not pertinent.

CALCIUM PHOSPHIDE
Chemical Designations - Synonyms: Photophor; Chemical Formula: C$P,.
Observable Characteristics - Physical State (as normally shipped): Solid; Color: Grey; Odor: Musty,
like acetylene.
Physical and Chemical Properties - Physical State at 15 “c and I atm. : Solid; Molecular Weight:
182.2; Boiling Point at I atm.: Decomposes; Freezing Point: (approx.) 2,910; 1,600; 1,810; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Specijk Gravity: 2.51 at 20°C (solid);
Vapor (Gas) Density: Not pertinent; Ratio of Specific Heats of Vapor (Gas): Not pertinent; Latent Heat
of Vaporization: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Dust respirator;
protective gloves and clothing; goggles; Symptoms Following Exposure: Inhalation or ingestion causes
faintness, weakness, nausea, vomiting. External contact with eyes causes irritation of eyes and skin.;
General Treatment for Exposure: INHALATION: remove to fresh air, call a physician and alert to
possibility of phosphine poisoning. EYES or SKIN: flush with water, call a physician to alert to
possibility of phosphine poisoning; Toxicity by Inhalation (Threshold Limit Value): Data not available;
Short-Tern Exposure Limits: Data not available; Toxicity by Ingestion: Data not available; Late
Toxicity: Data not available; Vqor (Gas) Irritant Characteristics: Data not available; Liquid or Solid
Irritant Characteristics: Data not available; Odor Threshold 1-100 mg/m3.