Title: Ferric Chromate(VI)
CAS Registry Number: 10294-52-7
CAS Name: Chromic acid iron(3+) salt (3:2)
Synonyms: C.I. Pigment Yellow 45; C.I. 77505; Siderin yellow
Molecular Formula: Cr3Fe2O12
Molecular Weight: 459.67
Percent Composition: Cr 33.93%, Fe 24.30%, O 41.77%
Line Formula: Fe2(CrO4)3
Literature References: Preparation: Boericke, Bangert,
Bur. Mines Rep. Invest. 3813, 19 pp (1945),
C.A. 39, 51647 (1945).
Properties: Yellow powder. Practically insol in water. Sol in HCl.
Use: Pigment for ceramics, glass and enamels.