Chrome Alum (Potassium Chromium Sulfate)

Produit chimique

Formule moléculaireKCr(SO4)2·12H2O CAS7788-99-0 Masse moléculaire499.40 g/mol

SynonymesChromic potassium sulfate dodecahydrate, Chrome alum

Chrome Alum is a trivalent chromium double salt supplied as dark violet crystals. It is used in tanning and as a mordant.

- Leather Industry: Tanning agent. - Textile Industry: Mordant for dyeing. - Photography: Hardening agent for gelatin. - Laboratory: Reagent.

Appearance	Violet-red to black crystals; solutions turn green when heated
Molecular Formula	KCr(SO4)2·12H2O
Molecular Weight	499.40 g/mol
Density	1.83 g/cm³ at 25 °C
Solubility	Soluble in water

IUPAC Name	potassium;chromium(3+);disulfate;dodecahydrate
Formule moléculaire	KCr(SO4)2·12H2O
Masse moléculaire	499.40 g/mol
SMILES	O.O.O.O.O.O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[K+].[Cr+3]
InChIKey	ZFVHBEKVAITXHW-UHFFFAOYSA-J