Description

Chromium(VI) Trioxide is a powerful inorganic oxidizing agent and a key industrial chemical. Its primary value lies in its ability to deliver controlled, high-potency oxidation, making it indispensable for surface treatment and synthesis processes. This compound is essential for manufacturers in the metal finishing, wood preservation, and specialty chemical synthesis industries. CAS No. 1333-82-0.

Application

• Metal Finishing & Electroplating: As a primary component in chromium plating baths for decorative and hard chromium coatings.
• Surface Treatment: For chromate conversion coatings on aluminum, zinc, and other metals to enhance corrosion resistance and paint adhesion.
• Wood Preservation: Used in formulations for pressure-treated lumber to protect against fungal decay and insect damage.
• Chemical Synthesis: As a potent oxidizing agent in organic synthesis for the production of pharmaceuticals, dyes, and catalysts.
• Laboratory Reagent: Employed in analytical chemistry for cleaning glassware and as a reagent in various oxidation tests.
• Pigment Manufacturing: A precursor in the production of chrome-based pigments, such as chrome yellow and chrome green.

Basic Information

Product Name	Chromium(VI) Trioxide
CAS No.	1333-82-0
Molecular Formula	CrO3
Molecular Weight	99.99 g/mol
Synonyms	Chromic Acid; Chromium Trioxide; Chromic Anhydride; Chromium(VI) Oxide; Chromic(VI) Acid; Anhydride Chromique [French]; UN 1463
EINECS	215-607-8

Quality Control

Our Chromium(VI) Trioxide is manufactured under stringent quality control protocols to ensure batch-to-batch consistency and high purity. We adhere to relevant industry standards and our quality system is designed to meet the rigorous demands of industrial applications. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical specifications is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as organic compounds, strong reducing agents, and bases. Due to its hygroscopic nature and strong oxidizing properties, containers must be kept tightly sealed and stored separately on non-combustible surfaces. Recommended storage temperature: 15-25°C.

Specification

Item	Specification
Appearance	Dark red flakes or powder
Identification (IR)	Conforms
Assay (CrO3)	≥ 99.0 %
Insoluble Matter	≤ 0.1 %
Sulfate (SO4)	≤ 0.1 %
Chloride (Cl)	≤ 0.05 %
Sodium (Na)	≤ 0.1 %
Potassium (K)	≤ 0.1 %

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