Main Page | See live article | Alphabetical index Properties General Name Arsenic trihydride Chemical formula AsH3 Appearance Colourless gas Physical Formula weight 78.0 amu Melting point 157 K (-116 °C) Boiling point 210 K (-63 °C) Density 1.7 ×103 kg/m3 (liquid) Solubility 0.07 g in 100g water Thermochemistry ΔfH0gas 66 kJ/mol ΔfH0liquid 64 kJ/mol ΔfH0solid ? kJ/mol S0gas, 1 bar 223 J/mol·K Safety Ingestion Extremely toxic, deadly. Headache is an early symptom. Inhalation Deadly. Smells like garlic. Skin Contact should be avoided. Eyes Contact should be avoided. More info Hazardous Chemical Database SI units were used where possible. Unless otherwise stated, standard conditions were used. Disclaimer and references Arsine (AsH3) is a highly toxic gaseous chemical compound of arsenic and hydrogen. Synonyms include arseniuretted hydrogen, arsenous hydride, arsenic trihydride, and hydrogen arsenide. Some organic compounds based on arsine, such as lewisite, adamsite, Clark I and Clark II, have been developed for chemical warfare. Arsine is also used in the semiconductor industry for depositing arsenic. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.