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gallium arsenide

砷化镓

Also known as: EINECS 215-114-8, GALLIUM ARSENIDE, GALLIUM ARSENIDE, SINGLE CRYSTAL SUBSTR&, GALLIUM ARSENIDE: (99.9999% GA) PURATREMECES, Gallium arsenide, Gallium arsenide (99.9999% Ga) PURATREM 25mm and down polycrystalline pieces, Gallium arsenide wafer, Gallium arsenide, pieces, 99.999% metals basis, Gallium monoarsenide, Galliumarsenide(99.9999%-Ga)PURATREM, Galliumarsenidemmanddownpolycrystallinepieces, MFCD00011017, arsanylidynegallium, gallanylidynearsane

gallium arsenide (CAS 1303-00-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula GaAs and a molecular weight of 144.64 g/mol. It is also known as EINECS 215-114-8, GALLIUM ARSENIDE and GALLIUM ARSENIDE, SINGLE CRYSTAL SUBSTR&. Key properties include a melting point of 1238°C and a density of 5.31 g/mL at 25 °C(lit.). GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1303-00-0
Jingsj CID
J-1990573-4
Molecular Formula
GaAs
Chinese Name
砷化镓
Molecular Weight
144.64 g/mol
Category
Inorganic Chemicals
Last updated
8/21/2026

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Physicochemical Properties

Melting Point1238°C
Density5.31 g/mL at 25 °C(lit.)

GHS Safety & Compliance

Health HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of gallium arsenide?

The CAS number of gallium arsenide is 1303-00-0.

What are the molecular formula and molecular weight of gallium arsenide?

gallium arsenide has molecular formula GaAs and molecular weight 144.64 g/mol.

Is gallium arsenide hazardous?

gallium arsenide has GHS signal word Danger.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "gallium arsenide (CAS 1303-00-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990573-4 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.