Molecular weight: 151.99 CAS No.: 1308-38-9 Usage: Pigment,paint,glass,building ceramic colorants,chrome plating etc. Molecular weight: 151.99 CAS No.: 1308-38-9Usage: Pigment,paint,glass,building ceramic colorants,chrome plating etc.TEST ITEM SPECIFICATIONSPURITY 99%MINMOISTURE 0.2%MAXWATER SOLUBLE CONTENT 0.3%MAXRESIDUE THROUGH 320MESH 0.2%MAX chrome oxide green(refractory grade)