Safety data for arsine
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Toxicity data
Risk phrases
Safety phrases
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This information was last updated on February 21, 2005.
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for it. General
Synonyms: arsenic trihydride, hydrogen arsenide, arsenic hydride,
arsenous hydride
Use: solid state doping agent, chemical warfare agent
Molecular formula: AsH3
CAS No: 7784-42-1
EINECS No:
Physical data
Appearance: colourless gas smelling of garlic
Melting point: -117 C
Boiling point: -62 to -63 C
Vapour density: 2.7
Vapour pressure:
Density (g cm-3):
Flash point:
Explosion limits:
Autoignition temperature:
Water solubility: slight
Stability
Stable, but pyrophoric.
Capable of detonation with some initiators.
Flammable. Incompatible with oxidizing agents, chlorine, nitric acid.
Toxicology
Extremely toxic by inhalation. IARC group I human carcinogen.
May damage CNS. May be absorbed through the skin.
(The meaning of any toxicological abbreviations which
appear in this section is given
here.)
IHL-HMN TCLO 3 ppm
IHL-HMN LCLO 25 ppm/30m
IHL-MUS LCLO 70 mg/m3/3h
(The meaning of any risk phrases which appear in this section is
given
here.)
R17 R26 R45.
Transport information
(The meaning of any UN hazard codes which appear in this section
is given
here.)
UN No 2188. Major hazard class 2. Subsidiary hazard classes 3, 6.1.
Not permitted on passenger or cargo planes.
Personal protection
Prepare a full risk assessment before starting work. Good ventilation,
safety glasses. Protect against ingress of oxygen into apparatus.
(The meaning of any safety phrases which appear in this section
is given here.)