Gallium Oxide

Description

Gallium(III) oxide · CAS 12024-21-4 · Ga2O3. UNII 46F059V66A. Melting Point: 3236 to 3290 °F (NTP, 1992); Melting Point: 1807 °C; Density: 5.88 @25 °C.

Identification

CAS Registry Number	12024-21-4
PubChem CID	158605
Molecular formula	Ga2O3
IUPAC name	digallium;tris(oxygen(2-))
UNII (FDA)	46F059V66A

Computed Descriptors

Molecular Weight	187.44
Hydrogen Bond Donor Count	0
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	0
Exact Mass	187.83502
Monoisotopic Mass	185.83589
Topological Polar Surface Area	3
Heavy Atom Count	5
Formal Charge	0
Complexity	0

Physical & Chemical Properties

Melting Point	3236 to 3290 °F (NTP, 1992)
Melting Point	1807 °C
Density	5.88 @25 °C

Physical description & handling notes

• Gallium oxide is an odorless fine white powder. Insoluble in water. (NTP, 1992)
• Found in different crystal forms with the beta being the only stable form; [Merck Index] White odorless solid; [CAMEO] Fine white crystalline powder; [Acros Organics MSDS]
• Insoluble (NTP, 1992)
• 6.44 at 68 °F (NTP, 1992) - Denser than water; will sink

Documented Uses

• Possesses conduction and luminescence properties; Used in semiconductors, gas sensing, catalysis, and nanostructures as blue and UV light emitters; [Merck Index] Used in spectroscopic analysis; [NTP]
• Semiconductor Manufacturing [Category: Industry]

Synonyms

Gallium oxide; 12024-21-4; Gallium sesquioxide; Gallia; Gallium oxide (Ga2O3); Gallium(3+) oxide; Gallium oxide (2:3); 46F059V66A; Gallium Oxydatum; RefChem:58060; DTXCID7011359; 234-691-7; DTXSID9031359; Gallium trioxide; Gallium(III) oxide; Digallium trioxide

Frequently Asked Questions

What are the CAS number and molecular formula of Gallium(III) oxide?

CAS 12024-21-4; molecular formula Ga2O3; molecular weight — g/mol.

What other names is Gallium(III) oxide known by?

Gallium oxide, 12024-21-4, Gallium sesquioxide, Gallia, Gallium oxide (Ga2O3), Gallium(3+) oxide.

What are the key physical properties of Gallium(III) oxide?

Melting Point: 3236 to 3290 °F (NTP, 1992); Melting Point: 1807 °C; Density: 5.88 @25 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.