Description

Chromium Potassium Sulfate 12-Hydrate is a high-purity inorganic salt essential for applications requiring a source of trivalent chromium. This compound is valued for its consistent quality and reliable performance in critical industrial and technical processes. It is primarily utilized in the leather tanning, textile dyeing, and specialty chemical synthesis industries, where precise metal ion content is paramount.

Application

• Leather Tanning Agent: A key component in chrome tanning processes to produce durable, high-quality leather.
• Textile Mordant: Used to fix dyes onto fabrics, improving color fastness and vibrancy.
• Catalyst Precursor: Serves as a starting material for synthesizing various chromium-based catalysts.
• Laboratory Reagent: Employed in analytical chemistry and research as a standard or reagent.
• Wood Preservation: An ingredient in formulations for protecting wood from biological degradation.
• Ceramic Pigments: Provides a source of chromium for creating green-colored glazes and pigments.

Basic Information

Product Name	Chromium Potassium Sulfate 12-Hydrate
CAS No.	81827-73-8
Molecular Formula	CrK(SO₄)₂·12H₂O
Molecular Weight	499.39 g/mol
Synonyms	Potassium Chromium Sulfate Dodecahydrate; Chrome Alum; Chromium(III) Potassium Sulfate Dodecahydrate; Potassium Chrome Alum; Chromic Potassium Sulfate; Kaliumchromsulfat (German); Alum, Chrome; CAS 10141-00-1 (anhydrous basis)
EINECS	Contact for details

Quality Control

Our Chromium Potassium Sulfate 12-Hydrate is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, heavy metal content, and other critical parameters. A Certificate of Analysis (COA) documenting these results is available for every shipment upon request, providing full traceability and compliance assurance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a low-humidity environment to prevent caking and degradation.

Specification

Item	Specification
Appearance	Dark violet crystals
Identification (IR)	Conforms
Assay (CrK(SO₄)₂·12H₂O)	≥ 98.0 %
pH (5% Solution)	2.5 - 3.5
Chloride (Cl)	≤ 0.01 %
Iron (Fe)	≤ 0.01 %
Heavy Metals (as Pb)	≤ 0.002 %
Water Insoluble Matter	≤ 0.05 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.