Description

Sulphuric Acid, Chromium Potassium Salt is a well-defined inorganic compound, also known as Chromium Potassium Sulfate. This chemical serves as a critical source of trivalent chromium in various industrial and technical processes, valued for its stability and specific reactivity. It is essential for manufacturers and laboratories in sectors such as metal finishing, textile dyeing, and chemical synthesis, where precise inorganic reagents are required.

Application

• Metal Surface Treatment: Used in electroplating and anodizing baths for aluminum and other metals to impart corrosion resistance and decorative finishes.
• Textile Industry: Acts as a mordant in the dyeing process for wool and other natural fibers, improving color fastness and dye uptake.
• Tanning Agent: Employed in the chrome tanning process for leather, providing durability, stability, and a characteristic blue-green shade to the hide.
• Catalyst & Reagent: Serves as a catalyst in specific organic synthesis reactions and as a laboratory reagent for analytical chemistry.
• Wood Preservation: A component in certain wood treatment formulations to protect against fungal decay and insect damage.
• Ceramic & Pigment Production: Used in the manufacture of colored ceramics, glasses, and certain inorganic pigments.

Basic Information

Product Name	Sulphuric Acid, Chromium Potassium Salt
CAS No.	10279-63-7
Molecular Formula	CrK(SO4)2·12H2O (common hydrate form)
Molecular Weight	499.39 g/mol (for dodecahydrate)
Synonyms	Chromium Potassium Sulfate; Potassium Chromium Sulfate; Chrome Alum; Potassium Chrome Alum; Chromic Potassium Sulfate; Potassium Chromic Sulfate Dodecahydrate; Kaliumchromsulfat; Sulfuric Acid, Chromium Potassium Salt
EINECS	233-668-7

Quality Control

Our Sulphuric Acid, Chromium Potassium Salt is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We offer grades suitable for technical and industrial applications, with key parameters including assay (Chromium content), purity, and control of specific impurities. A Certificate of Analysis (COA) detailing the results of our rigorous quality testing is provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	Dark violet or purple crystalline solid
Identification (IR)	Conforms
Assay (as CrK(SO4)2·12H2O)	≥ 98.0 %
Chromium (Cr) Content	≥ 10.4 %
Insoluble Matter	≤ 0.02 %
Chloride (Cl)	≤ 0.005 %
pH (5% Solution)	2.5 - 3.5

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