8841. Strontium Chromate(VI)

Nomenclature

CAS number: 7789-06-2
CrO4Sr; mol wt 203.61.
Cr 25.54%, O 31.43%, Sr 43.03%.
SrCrO4.

Properties

Yellow powder. d 3.89. Soluble in 840 parts cold water, about 5 parts boiling water; freely sol in dil hydrochloric, nitric or acetic acids.

Caution

Chromium hexavalent compounds are listed as known human carcinogens: Report on Carcinogens, Eleventh Edition (PB2005-104914, 2004) p III-63.

Use

Corrosion inhibitor in pigments; in electrochemical processes to control sulfate concn of solns.