Page 250 - Handbook of Hazardous Chemical Properties

240 MAGNESIUM PERCHLORATE
Temperature: Not pertinent; Critical Pressure: Not pertinent; Speczfic Gravity: 1.74 at 20 "C (solid);
Vapor (Gas) Specijic Gravity: Not pertinent; Ratio ofSpeczfic Heats of Vapor (Gas): Not pertinent;
Latent Heat of Vaporization: Not pertinent; Heat of Combustion: -11,950, -6,650, -278; Heat of
Decomposition: Not pertinent.
Health Hazards Information - Recommended Personal Protective Equipment: Eye protection;
Symptoms Following Exposure: Dust irritates eyes in same way as any foreign material. Penetration
of skin by fragments of metal is likely to produce local irritation, blisters, and ulcers which may
become infected; General TreatmentforExposure: EYES: flush with water to removedust. SKIN: treat
as any puncture; Toxicity by Inhalation (Threshold Limit Value): Data not available; Short-Term
Inhalation Limits: Not pertinent; Toxicity by Ingestion: Oral LDL,, (lowest lethal dose) = 230 q/kg
(dog); Late Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Not pertinent; Liquid or
Solid Imkmt characteristics: Data not available; Odor Threshold: Not pertinent.
Fire Hazards -Flash Puint : Not pertinent (solid). Flammable when in the form of turnings or powder;
Flummable Limits in Air (9%): Not pertinent; Fire Extinguishing Agents: Inert dry powders (e.g.
graphite, limestone, salt); Fire Extinguishing Agents Not To Be Used: Water, foam, halogenated agents,
carbon dioxide; Special Hazara3 of Combmtion Products: Not pertinent; Behuvior in Fire: Forms dense
white smoke. Flame is very bright; Ignition Temperature (&g. F): 883; Electrical Hazard: Class I,
Group E; Burning Rate: Not pertinent.
Chemical Reactivity - Reactivity with Water: In finely divided form, reacts with water and acids to
release flammable hydrogen gas; Reactivity with Common Materials: No reaction; Stability During
Transport: Stable; Neutralizing Agents for Acia3 and Caustics: Not pertinent; Polymerization: Not
pertinent; Inhibitor of Polymerization: Not pertinent.

MAGNESIUM PERCHLORATE
Chemical Designations - Synonyms: Anhydrone; Dehydrite; Magnesium perchlorate, anhydrous;
Magnesium perchlorate, hexahydrate; Chemical Formula: Mg(C10J2.
Observable Characteristics - Physical State (as shipped): Solid; Color: White; Odor: None.
Physical and Chemical Properties - Physical State at 15 'C and I atm.: Solid; Molecular Weight:
223.2; Boiling Point at I arm.: Decomposes above 250°C; Freezing Point: Not pertinent; Critical
Temperature: Not pertinent; Critical Pressure: Not pertinent; Speczjic Gravity: 2.21 at 20 "C (solid);
Vapor (Gas) Specijlc Gravity: Not pertinent; Ratio of Specijlc Heats of Vapor (Gas): Not pertinent;
Latent Heat of Vaporization: Not pertinent; Heat of Combustion: Not pertinent; Heat ofDecomposition:
Data not available.
Health Hazards Information - Recommended Personal Protective Equipment: U.S. Bu. Mines
approved respirator; chemical safety goggles; face shield; Symptoms Following Exposure: Inhalation
of dust irritation of mucous membrane. Ingestion of large amounts may be fatal; immediate symptoms
include abdominal pains, nausea and vomiting, diarrhea, pallor, blueness, shortness of breath,
unconsciousness. Contact with eyes or skin causes irritation; General Trement for Exposure:
INHALATION: remove victim to fresh air; get medical attention if irritation persists. INGESTION:
give large amounts of water; induce vomiting; call a physician. EYES: flush with copious quantities
of water for 15 min.; call a physician. SKM: flush with water; Toxicity by Inhalation (Threshold Limit
Value): Data not available; Short-Term Inhulation Limits: Data not available; Toxicity by Ingestion:
Data not available; Late Toxicity: Data not available; Vapor (Gas) Irritant Characteristics: Data not
available; Liquid or Solid Zm'tant Characteristics: Data not available; Odor Threshold. Data not
available.
Fire Hazards - Rash Point : Not flammable, but may cause or increase the intensity of a fire;
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: Can form explosive mixture with combustible material or finely powdered
metals. Increases the intensity of fires; Ignition Temperature : Not pertinent; Electrical Hazard: Not
pertinent; Burning Rate: Not pertinent.
Chemical Reactivity - Reactivity with Water: Dissolves with liberation of heat. May cause spattering;