CAS No.: 1308-38-9 formula: Cr2O3. Color/Appearance Green powder Tinting strength % 100+/-5 Note:Compared with standard sample Oil absorption % 15-25 Fineness(residue through 325mesh) % max.0.3 Water soluble matter % max.0.3 Moisture % max.0.2 Cr2O3 Content % min.99 Shade Similar Note:Compared with standard sample