22831-42-1

Name ALUMINUM ARSENIDE
CAS 22831-42-1
EINECS(EC#) 245-255-0
Molecular Formula AlAs
MDL Number MFCD00046166
Molecular Weight 101.9
MOL File 22831-42-1.mol
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Chemical Properties

Melting point  1740°C
density  3.81
refractive index  2.94
form  Powder
color  Orange
Water Solubility  Insoluble in water.
Crystal Structure Cubic, Sphalerite Structure - Space Group F(-4)3m
Exposure limits ACGIH: TWA 0.01 mg/m3
NIOSH: IDLH 5 mg/m3; Ceiling 0.002 mg/m3
Knoop Microhardness 5000, N/mm2
CAS DataBase Reference 22831-42-1(CAS DataBase Reference)
EPA Substance Registry System Aluminum arsenide (AlAs) (22831-42-1)

Safety Data

Hazard Codes  T,N
Risk Statements 
R23/25:Toxic by inhalation and if swallowed .
R50/53:Very Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment .
Safety Statements 
S20/21:When using, do not eat, drink or smoke .
S28:After contact with skin, wash immediately with plenty of ... (to be specified by the manufacturer) .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
S60:This material and/or its container must be disposed of as hazardous waste .
S61:Avoid release to the environment. Refer to special instructions safety data sheet .
RIDADR  UN1557
WGK Germany  3
TSCA  Yes
HazardClass  6.1
PackingGroup  II

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