Arsine
[CAS# 7784-42-1]

Identification

• Name: Arsine
• Synonyms: Arsenic trihydride; Arseniuretted hydrogen; Arsenous hydride; Hydrogen arsenide
• Molecular Formula: AsH₃
• Molecular Weight: 77.95
• CAS Registry Number: 7784-42-1
• EC Number: 232-066-3

Properties

• Density: 1.766 g/cm³ (-111.8 °C)^*
• Melting point: -116 °C^**
• Boiling point: 101.9 °C^***

^* Johnson, Warren C.

^** "International Chemical Safety Cards" data were obtained from the National Institute for Occupational Safety and Health (US)

^*** Vitvitskii, A. I.

Safety Data

• Hazard Symbols: GHS02;GHS04;GHS06;GHS08;GHS09 Danger
• Risk Statements: H220-H330-H373-H400-H410

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Flammable gases	Flam. Gas	1	H220
Acute toxicity	Acute Tox.	1	H330
Gases under pressure (compressed)	Press. Gas (Comp.)		H280
Gases under pressure (liquid)	Press. Gas (Liq.)		H280
Specific target organ toxicity - single exposure	STOT SE	1	H370
Acute toxicity	Acute Tox.	2	H330