Chromium (III) Potassium Sulphate Dodecahydrate >98.5%

What is Chromium (III) Potassium Sulphate Dodecahydrate? Also known as chrome alum, it is a chemical compound with the formula KCr(SO₄)₂·12H₂O. It is a violet-colored solid that is soluble in water and commonly used in leather tanning, textile dyeing, and as a photographic film hardener. 

Consistent Quality: We provide only high-quality Chromium (III) Potassium Sulphate Dodecahydrate, ensuring reliable and consistent performance for all applications.

Shipped from Manchester, UK Facility: Sourced and packaged in non-toxic, chemical-resistant containers to ensure safe handling and preserve product quality during transport.

Frequent Uses

Leather Tanning
A key ingredient in the tanning process, where it helps to preserve and strengthen animal hides.

Textiles
In the textile industry, it's used as a mordant, which helps dyes bind to fabrics, making the colours more permanent. 

Catalyst Production
Can be used as a starting material in the synthesis of various chromium-containing catalysts. 

Photography
Acts as a hardener in photographic film emulsions, preventing the gelatin from swelling or dissolving.

• Leather
• Textiles
• Dyes
• Photography
• Catalysts

Assay (iodometric): >98.5%
MF:  KCr(SO4)2.12H2O
MW: 499.39 g/mol
MP: 89 °C
Insoluble Matter: <0.01%
Chloride (Cl): <0.03%
Ammonium (HH4): <0.01%
Copper (Cu): <0.005%
Iron (Fe): <0.03%
Lead (Pb): <0.01%
Appearance: Violet Crystalline Powder

Cas Number: 7788-99-0

Einecs Number: 233-401-6

HS Code / Commodity Code: 28333000

Hazard Phrases: H315,H319

Prec Phrases: P302+P352,P305+P351+P338