Title: Chromic Formate

CAS Registry Number: 27115-36-2

Molecular Formula: C3H3CrO6

Molecular Weight: 187.05

Percent Composition: C 19.26%, H 1.62%, Cr 27.80%, O 51.32%

Line Formula: Cr(HCOO)3

Literature References: Prepd from Cr(OH)3 and formic acid: Akhmedli, Negretov, J. Gen. Chem. USSR 20, 2045 (1950).

 

Derivative Type: Hexahydrate

Properties: Fine green crystals or gray-green powder. Dec above 300°, evolving CO and CO2. Sol in water; concd aq soln is blue under incident light, red under transmitted light; dil aq soln is green.

 

Use: In printing cotton in skeins; in leather tanning and waterproofing.