Physical properties Uses Preparation Reactions
ChemicalBook > CAS DataBase List > Gallium(III) oxide

Gallium(III) oxide

Physical properties Uses Preparation Reactions
Gallium(III) oxide Structure
Gallium(III) oxide
  • CAS No.12024-21-4
  • Chemical Name:Gallium(III) oxide
  • CBNumber:CB0268996
  • Molecular Formula:Ga2O3
  • Formula Weight:187.44
  • MOL File:12024-21-4.mol
Gallium(III) oxide Property
  • Melting point: :1740 °C
  • Density  :6.44 g/mL at 25 °C
  • refractive index  :1.92
  • form  :Powder or Lump
  • color  :White
  • Specific Gravity :6.44
  • Water Solubility  :Soluble in acids. Insoluble in water
  • Merck  :14,4346
  • Stability: :Stable. Incompatible with magnesium.
  • InChIKey :QZQVBEXLDFYHSR-UHFFFAOYSA-N
  • CAS DataBase Reference :12024-21-4(CAS DataBase Reference)
  • EWG's Food Scores :1
  • FDA UNII :46F059V66A
  • EPA Substance Registry System :Gallium trioxide (12024-21-4)
Safety
  • Safety Statements  :24/25
  • WGK Germany  :2
  • RTECS  :LW9650000
  • TSCA  :Yes
  • HS Code  :28259090
Hazard and Precautionary Statements (GHS)
  • Symbol(GHS)
  • Signal word
  • Hazard statements
  • Precautionary statements
Gallium(III) oxide Price More Price(20)
  • Brand: Sigma-Aldrich
  • Product number: 215066
  • Product name : Gallium(III) oxide
  • Purity: ≥99.99% trace metals basis
  • Packaging: 10g
  • Price: $97.3
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Sigma-Aldrich
  • Product number: 215066
  • Product name : Gallium(III) oxide
  • Purity: ≥99.99% trace metals basis
  • Packaging: 50g
  • Price: $346
  • Updated: 2019/12/02
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 010508
  • Product name : Gallium(III) oxide, 99.999% (metals basis)
  • Purity: 
  • Packaging: 5g
  • Price: $61.2
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: Alfa Aesar
  • Product number: 010508
  • Product name : Gallium(III) oxide, 99.999% (metals basis)
  • Purity: 
  • Packaging: 25g
  • Price: $231
  • Updated: 2020/06/24
  • Buy: Buy
  • Brand: Strem Chemicals
  • Product number: 93-3106
  • Product name : Gallium(III) oxide (99.998%-Ga) PURATREM
  • Purity: 
  • Packaging: 25g
  • Price: $176
  • Updated: 2020/06/24
  • Buy: Buy

Gallium(III) oxide Chemical Properties,Usage,Production

  • Physical properties White crystals; exists in three crystalline modifications: alpha-, beta-, and gamma-Ga2O3; while the alpha-form is analogous to the corundum form of alumina, the beta-Ga2O3 is isomorphous with theta-alumina; alpha-form converts to beta-modification on calcination at high temperatures (600°C); gamma form is stable at low temperatures; density 6.44 g/cm3 (alpha-Ga2O3), 5.88 g/cm3 (betaGa2O3); melts at 1,725°C; soluble in most acids.
    Gallium(III) oxide
    Gallium(III) oxide is used in the manufacture of gadolinium gallium garnet as a substrate in bubble domain memories; these are compact devices not requiring the storage power demanded by other memory devices. Gallium(III) oxide is starting material for the preparation of Sr2CuGaO3S, an example of a rare square pyramidal gallium.
  • Uses The compound is used in spectroscopic analysis and in preparing gallium arsenide for making semiconductors.
  • Preparation Gallium sesquioxide is precipitated in hydrated form upon neutralization of acidic or basic solution of gallium salt. Also, it is prepared by thermal decomposition of gallium salts. Gallium oxide hydroxide, GaOOH [20665-525] on calcinations at high temperatures yields betaGa2O3.
  • Reactions Gallium sesquioxide is reduced to gallium suboxide, Ga2O [12024-20-3] by common reducing agents. Also, heating the sesquioxide with gallium metal yields gallium suboxide. Heating with magnesium reduces the oxide to elemental form in a violent reaction:
    Ga2O3 + 3Mg →2Ga + 3MgO
    Heating with mineral acids yields corresponding gallium salts. When heated with a mixture of hydrogen and arsenic vapors at 600°C, gallium arsenide, GaAs is produced. When heated with alkali metal oxide at 1,000°C, alkali metal gallates, such as K2Ga2O6 are formed.
  • Chemical Properties white odourless powder
  • Uses In semiconductors; gas sensing; catalysis. Nanostructures as blue and UV light emitters in optoelectronic device applications.
    Gallium(III) oxide has been reported in applications in lasers, phosphors, and luminescent materials. Monoclinic ß-Ga2O3 is used in gas sensors and luminescent phosphors and can be applied to dielectric coatings for solar cells. This stable oxide has also shown potential for deep-ultraviolet transparent conductive oxides, and transistor applications. Thin Ga2O3 films are of commercial interest as gas sensitive materials. ß-Gallium(III) oxide is used in the production of Ga2O3-Al2O3 catalyst.
  • Production Methods Gallium oxide is formed during the annealing or heating of semiconductors containing gallium in the microelectronics industry.
  • General Description Odorless fine white powder. Insoluble in water.
  • Air & Water Reactions Insoluble in water.
  • Reactivity Profile GALLIUM(III) OXIDE may react with acids. Heating (to 1292° F) with magnesium causes a violent reduction to metallic slate.
  • Health Hazard SYMPTOMS: Symptoms of exposure to GALLIUM(III) OXIDE include reduction of red blood cells and platelets, anemia, skin rash and nausea.
  • Fire Hazard Flash point data for GALLIUM(III) OXIDE are not available; however, GALLIUM(III) OXIDE is probably combustible.
Gallium(III) oxide Preparation Products And Raw materials
Raw materials
Preparation Products
Global(146)Suppliers
  • Supplier:
    Henan Tianfu Chemical Co.,Ltd.
  • Tel:0371-55170693
  • Fax:0371-55170693
  • Email:info@tianfuchem.com
  • Country:CHINA
  • ProdList:22626
  • Advantage:55
  • Supplier:
    career henan chemical co
  • Tel:+86-371-86658258
  • Fax:
  • Email:sales@coreychem.com
  • Country:CHINA
  • ProdList:30045
  • Advantage:58
  • Supplier:
    Chemwill Asia Co.,Ltd.
  • Tel:86-21-51086038
  • Fax:86-21-51861608
  • Email:chemwill_asia@126.com;sales@chemwill.com;chemwill@hotmail.com;chemwill@gmail.com
  • Country:CHINA
  • ProdList:23977
  • Advantage:58
  • Supplier:
    Zhonglan Industry Co., Ltd.
  • Tel:(86) 531-82956570
  • Fax:(86) 531-82956571
  • Email:sales@zhonglanindustry.com
  • Country:CHINA
  • ProdList:4895
  • Advantage:58
  • Supplier:
    BOC Sciences
  • Tel:1-631-619-7922
  • Fax:1-631-614-7828
  • Email:inquiry@bocsci.com
  • Country:United States
  • ProdList:20039
  • Advantage:58
  • Supplier:
    Chongqing Chemdad Co., Ltd
  • Tel:+86-13650506873
  • Fax:
  • Email:sales@chemdad.com
  • Country:CHINA
  • ProdList:35434
  • Advantage:58
  • Supplier: Mainchem Co., Ltd.
  • Tel:+86-0592-6210733
  • Fax:+86-0592-6210733
  • Email:sale@mainchem.com
  • Country:CHINA
  • ProdList:32444
  • Advantage:55
12024-21-4, Gallium(III) oxideRelated Search:
  • galliumtrioxide
  • Gallium(III) oxide (99.999% Ga) PURATREM
  • Galliumoxidewhitepowder
  • GALLIUM(III) OXIDE 99.999+%
  • Gallium(III) oxide, 99.99+% metals basis
  • Gallium(III) oxide, 99.99+%
  • GALLIUM OXIDE, 99.999%
  • Gallium(III)oxide(99.998%-Ga)PURATREM
  • gallium(iii) oxide, puratronic
  • Gallium(III) oxide, Puratronic(R), 99.999% (metals basis)
  • Gallium(III) oxide, 99.995% (metals basis)
  • Gallium(III) oxide, 99.999% (metals basis)
  • bigalliium trioxide
  • Gallium(III) oxide, Puratronic, 99.999% (metals basis)
  • Gallium(Ⅲ) oxide
  • GalliuM(Ⅵ) oxide
  • GalliuM(III) oxide >=99.99% trace Metals basis
  • Gallium(III) oxide (Ga2O3)
  • Gallium(III) oxide, 99.999% trace metals basis
  • GALLIUM OXIDE, 99.999%GALLIUM OXIDE, 99.999%GALLIUM OXIDE, 99.999%GALLIUM OXIDE, 99.999%
  • Gallium (III) oxide (electronic grade) 99.999%
  • Gallic oxide
  • Gallium(Iii) Oxide (Metals Basis)
  • Gallium(III) oxide/ 99.995+%
  • Gallium(III) oxide/ 99.9999%
  • GALLIUM SESQUIOXIDE
  • GALLIUM OXIDE
  • GALLIUM(III) OXIDE
  • GALLIUM(+3)OXIDE
  • Digallium trioxide
  • digalliumtrioxide
  • Ga2-O3
  • Gallia
  • Gallium oxide (Ga2O3)
  • Gallium trioxide
  • galliumoxide(ga2o3)
  • Gallium(III) Oxide 99.9%
  • GalliuM(III) oxide, 99.99+%, (trace Metal basis)
  • Bismuth(III) oxide(Bi2O3)
  • 12024-21-4
  • Gallium
  • Catalysis and Inorganic Chemistry
  • GalliumMetal and Ceramic Science
  • Oxides
  • Catalysis and Inorganic Chemistry
  • Chemical Synthesis
  • Gallium
  • metal oxide