Chemical dangers Decomposes on heating. This produces toxic fumes of phosphine and phosphorus oxides. Reacts with oxidants.
Molecular mass: 434.7
Boiling point at 0.7kPa: 220°C Melting point: -74°C Relative density (water = 1): 0.93 Solubility in water at 20°C: none Vapour pressure, Pa at 20°C: <1 Relative vapour density (air = 1): 15 Flash point: 170°C Auto-ignition temperature: 370°C
EXPOSURE & HEALTH EFFECTS
Routes of exposure The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.
Effects of short-term exposure The substance is irritating to the eyes and skin.
Inhalation risk No indication can be given about the rate at which a harmful concentration of this substance in the air is reached on evaporation at 20°C.
Effects of long-term or repeated exposure
OCCUPATIONAL EXPOSURE LIMITS
Avoid release to the environment in circumstances different to normal use.
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