Description

Chromium Carbonate is an inorganic compound primarily used as a precursor in the synthesis of other chromium-based materials. Its controlled decomposition and reactivity make it a valuable intermediate for producing pigments, catalysts, and specialty chemicals. This product is essential for manufacturers and R&D facilities in the chemical, ceramic, and surface treatment industries seeking a reliable source of high-purity chromium compounds.

Application

• Pigment and Dye Manufacturing: Serves as a key intermediate in the synthesis of various green and yellow chromium oxide pigments.
• Catalyst Production: Used as a precursor in the formulation of catalysts for organic synthesis and industrial chemical processes.
• Ceramics and Glass: Acts as a colorant and additive to impart specific hues and properties to ceramic glazes and specialty glass.
• Surface Treatment: Employed in the preparation of conversion coatings and other surface finishing applications.
• Chemical Synthesis: Functions as a starting material for producing other chromium salts and complexes in laboratory and industrial settings.
• Research & Development: Utilized in academic and industrial R&D for developing new materials and studying chromium chemistry.

Basic Information

Product Name	Chromium Carbonate
CAS No.	29689-14-3
Molecular Formula	Cr2(CO3)3
Molecular Weight	284.02 g/mol
Synonyms	Carbonic Acid, Chromium(3+) Salt (3:2); Chromium(III) Carbonate; Chromic Carbonate; Dichromium Tricarbonate; Chromium Sesquicarbonate
EINECS	Contact for details

Quality Control

Our Chromium Carbonate is produced and tested under a stringent quality management system to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) for each lot, detailing key parameters such as purity, heavy metal content, and impurity profiles. Our quality commitment aligns with industrial chemical standards, and we can support requirements for specific application grades.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Green to gray-green powder
Identification (IR)	Conforms
Assay (as Cr2(CO3)3)	≥ 95.0 %
Loss on Drying	≤ 5.0 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO4)	≤ 0.5 %
Heavy Metals (as Pb)	≤ 50 ppm

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