Basic information- indium oxide powder in2o3 1.Purity :99.99%, 99.999% 4n, 5n 2.Cas no.: 1312-43-2 3. Application: mainly used in batteries, transparent thin film infra-red reflectors. Characteristics: 1.Yellow power, insoluble in water, but soluble in concentrated acid to get bismuth(iii)salt. 2. Can be reduced by carbon and hydrogen. 3. Decomposed from heated bismuth nitrate. 4.Applied to make metal bismuth, catalyst and bismuth series oxides superconductor.