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ARSINE
ARSINE
- CAS:
- 7784-42-1
- MF:
- AsH3
- MW:
- 77.94542
Properties
- Melting point:
- -117°
- Boiling point:
- bp -62.5°
- Density
- 1.321 (estimate)
- vapor pressure
- >760 mmHg at 20 °C
- solubility
- slightly soluble in H2O
- form
- colorless gas
- color
- colorless
- Odor
- Garlic-like odor detectable at 0.5 to 1 ppm
- Water Solubility
- mL/100g H2O (760mm): 42 (0°C), 30 (10°C), 28 (20°C) [LAN05]
- Exposure limits
- TLV-TWA 0.2 mg/m3 (0.05 ppm) (ACGIH and OSHA); 0.002 mg(As)/m3/15 min; ceiling 0.005 ppm(As)/15 min (NIOSH).
- Dielectric constant
- 2.5（-100℃）
- Stability:
- Stable, but pyrophoric. Capable of detonation with some initiators. Flammable. Incompatible with oxidizing agents, chlorine, nitric acid.
Safety Information
- Symbol(GHS)
GHS02,GHS04,GHS06,GHS08,GHS09
- Signal word
- Danger
- Hazard statements
- H220-H330-H373-H410
- Precautionary statements
- P210-P377-P381-P403-P260-P271-P284-P304+P340-P310-P320-P403+P233-P405-P501-P260-P314-P501-P273-P391-P501
- Hazard Codes
- F+,T+,N
- Risk Statements
- 12-26-48/20-50/53
- Safety Statements
- 9-16-28-33-36/37-45-60-61
- RIDADR
- 2188
- OEL
- Ceiling: 0.002 mg/m3 [15-minute]
- Autoignition Temperature
- Not established. Decomposes at 232 to 300 °C to form elemental arsenic and hydrogen.
- DOT Classification
- 2.3, Hazard Zone A (Gas poisonous by inhalation)
- HazardClass
- 2.3
- Toxicity
- LCLO inhal (rat) 94 ppm (300 mg/m3; 15 min)
PEL (OSHA) 0.05 ppm (0.2 mg/m3)
TLV-TWA (ACGIH) 0.05 ppm (0.16 mg/m3)
- IDLA
- 3 ppm
Use
ARSINE is used as a doping agent for solidstateelectronic components and as a militarypoison gas. Risk of exposure may arise whenan arsenic compound reacts with an acid ora strong alkali.
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