Non-flammable, but forms an extremely flammable gas (phosphine) on contact with water or damp air
Reacts violently when in contact with water. Explosive reaction on contact with mineral acids and concentrated or dilute hydrochloric acid
Decomposes on contact with water to form highly flammable and toxic phosphine. Releases toxic and irritating oxides of phosphorus fumes when heated to decomposition
In the event of a fire involving aluminium phosphide, use dry agent and liquid-tight chemical protective clothing in combination with breathing apparatus. Water must NOT be allowed to come into contact with substance
Health
Toxic by inhalation and ingestion
CHIP classification: very toxic
Inhalation causes irritation to the mucous membranes of the nose, mouth throat and respiratory tract. Weakness, chest pain, dry mouth, cough, nausea, vomiting, diarrhoea, muscle pain, headache, dizziness, ataxia and confusion may occur
Ingestion causes stomach pain, nausea, vomiting, diarrhoea, abdominal pain, swelling of lips, mouth and thrpat shortly after ingestion. Chest tightness, cough, headache, dizziness, anxiety and restlessness may also occur
Dermal exposure may cause sweating and irritation
Ocular exposure may cause irritation, lacrimation and increased sensitivity to light
Environment
Dangerous for the environment
Inform the Environment Agency of substantial releases
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