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Home/Compounds/Electronic Chemical/Gallium arsenide
AsGa
144.645 g/mol
Electronic ChemicalDanger

GALLIUM ARSENIDE

CAS1303-00-0EC215-114-8
Category
Electronic Chemical
Compound Class
Other
Primary Use
semiconductor for electronics and optoelectronics

Gallium arsenide is a III-V direct band gap semiconductor with a zinc blende crystal structure, widely used in electronics and optoelectronics.

semiconductor for electronicssemiconductor for optoelectronics

Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.

Restricted or banned substances

Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.

Relevant lists:EU REACH Restriction ListCalifornia Proposition 65

CAS 1303-00-0

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Safety Reference

Toxic
Toxic
Health Hazard
Health Hazard
Danger
H350May cause cancer
H372Causes damage to organs through prolonged or repeated exposure
H360May damage fertility or the unborn child
H370Causes damage to organs
H331Toxic if inhaled
Regulatory Compliance3
  • EU REACH Restriction ListEURegulation
    RestrictedSource
  • California Proposition 65USRegulation
    Listed· listed since 2008-08-01Source
  • CN Catalogue of Hazardous ChemicalsCNRegulation
    Listed· listed since 2015-05-01Source

Customs Tariff Classification

The international HS code for GALLIUM ARSENIDE (CAS 1303-00-0) is 2853.90.

HS code (international, 6-digit)

2853.90

EU CN code (8-digit)

2853 90 90

Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.

Identifiers
IUPAC Name

gallanylidynearsane

InChIKey

JBRZTFJDHDCESZ-UHFFFAOYSA-N

SMILES

[Ga]#[As]

Synonyms (13)
  • GALLIUM ARSENIDE
  • Gallium Arsenatum
  • Gallium arsenide (GaAs)
  • Gallium monoarsenide
  • Gallium monoarsenide (GaAs)
  • arsinogallane
  • gallanylidynearsane