ZINC PHOSPHIDE

ZINC PHOSPHIDE Property

mp : 420°C bp : 1100°C density : 4,55 g/cm3 Fp : 1100°C Sensitive : Moisture Sensitive Merck : 14,10152 CAS DataBase Reference: 1314-84-7(CAS DataBase Reference)

Safety

Hazard Codes : F,T+,N Risk Statements : 15/29-28-32-50/53 Safety Statements : 3/9/14-30-36/37-45-60-61-43-28 RIDADR : 1714 RTECS : ZH4900000 HazardClass : 4.3 PackingGroup : I

ZINC PHOSPHIDE Chemical Properties,Usage,Production

General Description ZINC PHOSPHIDE is a dark gray granular solid. ZINC PHOSPHIDE is slowly decomposed by water giving off phosphine, a flammable poison gas. ZINC PHOSPHIDE is toxic by ingestion. ZINC PHOSPHIDE is used in medicine and as a rat poison. Reactivity Profile ZINC PHOSPHIDE is a reducing agent. They slowly generate flammable or noxious gases in contact with water. Phosphides react quickly upon contact with moisture or acids to give the very toxic gas phosphine; phosphides also can react vigorously with oxidizing materials. In general, materials in this group are incompatible with oxidizers such as atmospheric oxygen. They are violently incompatible with acids, particularly oxidizing acids. Health Hazard ZINC PHOSPHIDE is very caustic when ingested. ZINC PHOSPHIDE reacts with water and acid in the stomach and causes severe irritation. The probable oral lethal dose is 5-50 mg/kg, or between 7 drops and 1 teaspoonful for a 70 kg (150 lb.) person. Most patients die after about 30 hours from peripheral vascular collapse secondary to the compound's direct effects. Extensive liver damage and kidney damage can also occur. Ingestion of 4-5 grams has produced death in human adults, but also doses of 25 to 50 grams have been survived. The lowest oral lethal dose reported for women is 80 mg/kg. Fire Hazard When heated to decomposition, ZINC PHOSPHIDE emits toxic fumes of phosphorus and zinc oxides. Irritating oxides of phosphorus may be formed in fires. May ignite in presence of moisture. Contact with water produces flammable gas. Runoff to sewer may create fire or explosion hazard. Decomposed slowly by water giving off phosphine, a flammable poison gas. Reacts violently with concentrated sulfuric acid, nitric acid, and other oxidizing agents. Reacts with hydrochloric acid or sulfuric acid with the evolution of spontaneously flammable phosphine. May ignite in the presence of moisture, or evolve flammable gas. Stable unless exposed to moisture; toxic phosphine gas may then be released and collected in closed spaces. Hazardous polymerization may not occur.

ZINC PHOSPHIDE Preparation Products And Raw materials

Raw materials ZINC Phosphorus

Preparation Products

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