Arsine / AsH₃
Threshold limit value
Arsine : Description and use
Arsenic trihydride, formerly known as arsinea, is currently referred to as arsane by IUPAC. It is an inorganic compound of arsenic and hydrogen.
Under normal conditions, it is a colourless gas that is heavier than air, and extremely toxic.
It was used alongside other gases in chemical shells in the First World War.
Flammability: It is a flammable gas, in liquefied-compressed form. It is colourless with a garlic-like odour.
- In electronics for doping semiconductors
- In chemistry for organic synthesis
Arsine : Warnings and caution
H220 - Extremely flammable gas.
H330 - Fatal if inhaled.
H373 - May cause damage to organs through prolonged or repeated exposure.
H410 - Very toxic to aquatic life with long-lasting effects.
P210 - Keep away from heat, hot surfaces, sparks, open flames, and any other ignition sources. No smoking.
P260 - Do not breathe gas/vapours.
P273 - Avoid release to the environment.
P304+P340+P315 -IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing. Get immediate medical advice/attention.
P308+P313 - IF exposed or concerned: Get medical advice/attention.
P403 - Store in a well-ventilated place.
Arsine : Related products