Gallium oxide (CAS NO.12024-21-4) is reported in EPA TSCA Inventory.

The Gallium oxide, with its cas registry number 12024-21-4, has the IUPAC name of digallium oxygen(2-). This chemical is a kind of white odourless powder and insoluble in water. Besides, it is stable chemically while incompatible with magnesium. Its product categories are including GalliumMetal and Ceramic Science; Oxides; Catalysis and Inorganic Chemistry; Chemical Synthesis; Gallium. As to its usage, it is usually used as the semiconductor meterial and also used to test the impurity in aranium in the spectral analysis.

The characteristics of this chemical are as follows: (1)#H bond acceptors: 1; (2)#H bond donors: 0; (3)#Freely Rotating Bonds: 0; (4)Exact Mass: 187.83503; (5)MonoIsotopic Mass: 185.835906; (6)Topological Polar Surface Area: 3; (7)Heavy Atom Count: 5; (8)Covalently-Bonded Unit Count: 5.

When you are using this chemical, remember to avoid contacting with skin or eyes. If in case of contact with eyes, rinse immediately with plenty of water and seek medical advice. When store it, you should store in a cool, dry place in a tightly closed container.

Additionally, you could convert the following datas into the molecular structure:
(1)Canonical SMILES: [O-2].[O-2].[O-2].[Ga+3].[Ga+3]
(2)InChI: InChI=1S/2Ga.3O/q2*+3;3*-2
(3)InChIKey: AJNVQOSZGJRYEI-UHFFFAOYSA-N 

Below are the toxicity information which have been tested: