Description

Octachromium Henicosaoxide is a high-purity inorganic chromium oxide compound with the chemical formula Cr₈O₂₁. This material is valued for its specific stoichiometry and thermal properties, making it a critical intermediate and functional component in advanced material synthesis. It is primarily utilized in industrial catalysis, ceramic pigment production, and specialized chemical manufacturing processes where precise oxide composition is required.

Application

• Catalyst Precursor: Serves as a key material in the synthesis of catalysts for dehydrogenation and selective oxidation reactions in petrochemical processing.
• Ceramic Pigments: Used in the formulation of high-temperature stable green and black inorganic pigments for ceramics, glasses, and coatings.
• Thermal Spray Coatings: Acts as a feedstock material for producing wear-resistant and corrosion-resistant coatings via plasma or HVOF thermal spray techniques.
• Chemical Vapor Deposition (CVD): Employed as a solid precursor in CVD processes to deposit chromium oxide thin films for optical and electronic applications.
• Refractory Additive: Incorporated into specialty refractory compositions to enhance thermal stability and slag resistance in high-temperature industrial furnaces.
• Research & Development: Used as a standard or starting material in academic and industrial R&D for studying chromium oxide chemistry and developing new materials.

Basic Information

Product Name	Octachromium Henicosaoxide
CAS No.	27133-42-2
Molecular Formula	Cr₈O₂₁
Molecular Weight	911.86 g/mol
Synonyms	Chromium Octoxide; Chromium(III,IV) Oxide; Cr₈O₂₁; Polymeric Chromium Oxide; Chromium Oxide (Cr8O21); Chromium Sesquioxide-Hexavalent Chromium Oxide Mixture; Chromium Oxide Black (specific grade)
EINECS	Contact for details

Quality Control

Our Octachromium Henicosaoxide is manufactured under a stringent quality management system. Each batch undergoes comprehensive analysis to ensure consistency and meets high-purity standards typical for industrial and technical applications. Certificates of Analysis (COA) detailing assay, impurity profiles, and physical characteristics are provided with every shipment and are available upon request.

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 container tightly sealed when not in use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Black to dark green powder
Identification (IR)	Conforms to standard
Assay (Cr₈O₂₁)	≥ 95.0 %
Chloride (Cl)	≤ 0.1 %
Sulfate (SO₄)	≤ 0.2 %
Heavy Metals (as Pb)	≤ 50 ppm
Loss on Drying	≤ 1.0 %
Particle Size (D50)	1 - 10 µm (customizable)

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