Description

Chromium (III) Oxide Hydrate is an inorganic compound of significant industrial importance, primarily valued for its role as a precursor in the production of chromium-based pigments and catalysts. Its controlled hydration level and high purity are critical for ensuring consistent color quality and catalytic performance in demanding applications. This material is essential for manufacturers in the pigments, ceramics, specialty chemicals, and surface treatment industries seeking reliable and high-grade raw materials.

Application

• Pigment Manufacturing: A key intermediate for producing various green chromium oxide pigments used in paints, coatings, plastics, and construction materials.
• Catalyst Production: Serves as a precursor for catalysts in organic synthesis and certain petrochemical processes.
• Ceramics & Glass: Used as a colorant in the production of colored ceramics, artistic glass, and specialty glazes.
• Surface Treatment: Employed in formulations for certain conversion coatings and surface finishing applications.
• Polishing Compounds: A component in fine polishing agents for metals and optical materials.
• Research & Development: Utilized in laboratories for synthesizing other chromium compounds and in material science research.

Basic Information

Product Name	Chromium (III) Oxide Hydrate
CAS No.	12182-82-0
Molecular Formula	Cr₂O₃·xH₂O
Molecular Weight	151.99 (anhydrous basis) + xH₂O
Synonyms	Chromic Oxide Hydrate; Chromium(III) Hydroxide Oxide; Chromium Sesquioxide Hydrate; Chromia Hydrate; Green Chromium Oxide Hydrate; Pigment Green 17 (related); C.I. 77288 (related); Hydrated Chromic Oxide
EINECS	Contact for details

Quality Control

Our Chromium (III) Oxide Hydrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications, including assay, moisture content, and impurity profiles. Certificates of Analysis (COA) are provided and available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong acids and strong oxidizing agents. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Green powder
Identification (IR)	Conforms
Assay (as Cr₂O₃, on dried basis)	≥ 97.0%
Loss on Drying	≤ 15.0 %
Water-Soluble Matter	≤ 1.0 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO₄)	≤ 0.5 %
Iron (Fe)	≤ 0.1 %
Lead (Pb)	≤ 20 ppm
Particle Size (Typical)	Passes through 200 mesh

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