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ALUMINUM ARSENIDE

ALUMINUM ARSENIDE Structure
ALUMINUM ARSENIDE
  • CAS No.22831-42-1
  • Chemical Name:ALUMINUM ARSENIDE
  • CBNumber:CB1144662
  • Molecular Formula:AlAs
  • Formula Weight:101.9
  • MOL File:22831-42-1.mol
ALUMINUM ARSENIDE Property
  • 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
  • CAS DataBase Reference 22831-42-1(CAS DataBase Reference)
  • EPA Substance Registry System Aluminum arsenide (AlAs) (22831-42-1)
Safety
  • Hazard Codes  :T,N
  • Risk Statements  :23/25-50/53
  • Safety Statements  :20/21-28-45-60-61
  • RIDADR  :UN1557
  • WGK Germany  :3
  • TSCA  :Yes
  • HazardClass  :6.1
  • PackingGroup  :II
  • NFPA 704:
    0
    3 0
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal wordDanger
  • Hazard statements H301-H331-H400-H410
  • Precautionary statements P261-P301+P310a-P304+P340-P311a-P405-P501a

ALUMINUM ARSENIDE Chemical Properties,Usage,Production

  • Chemical Properties -20 mesh powder(s) with 99.5% purity; semiconductor; band gap, 2.13eV (22°C); electronic dielectric constant, 10.3; lattice constant a=0.5662 nm; enthalpy of fusion 24.5 kJ/mol; uses: in rectifiers, transistors, and thermistors [CIC73] [ALF93] [HAW93]
  • Uses Aluminum arsenide is used for the manufacture of optoelectronic devices, such as light emitting diodes. It is used in the production of some solar cells. It is also used in rectifiers, transistors, thermistors.
  • Definition A semiconductor used in rectifiers, transistors, thermistors.
  • Hazard Poisonous by ingestion.
ALUMINUM ARSENIDE Preparation Products And Raw materials
Raw materials
Preparation Products
ALUMINUM ARSENIDE Suppliers
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ALUMINUM ARSENIDE Spectrum
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