Description

Cobalt Chromate CAS NO 12016-69-2 is an inorganic compound primarily recognized for its role as a high-performance pigment and catalyst precursor. This material is valued for its excellent thermal stability and distinctive coloration properties, making it a critical component in demanding industrial applications. It is essential for manufacturers in the ceramics, coatings, and specialty chemical synthesis sectors seeking durable, inorganic colorants and catalytic materials.

Application

• Ceramic Pigments: Used to impart stable blue-green to black hues in glazes, porcelain, and structural ceramics due to its high-temperature resistance.
• Corrosion-Inhibiting Primers: Serves as an active anti-corrosive pigment in primers and coatings for metals, particularly in aerospace and marine environments.
• Catalyst Preparation: Acts as a precursor material in the synthesis of catalysts for oxidation reactions and other industrial chemical processes.
• Specialty Glass & Enamels: Employed as a coloring agent in the production of specialty glasses and vitreous enamels.
• Artists' Colors: Used in the formulation of high-quality, permanent artists' paints and pigments.
• Plastic & Polymer Colorants: Provides heat-stable coloration for engineering plastics and polymers processed at elevated temperatures.

Basic Information

Product Name	Cobalt Chromate
CAS No.	12016-69-2
Molecular Formula	CoCrO₄
Molecular Weight	174.93 g/mol
Synonyms	Cobalt(II) Chromate; Cobalt Chromium Oxide; Cobaltous Chromate; Chromic Acid, Cobalt(2+) Salt (1:1); Pigment Green 26; C.I. 77344; Cobalt Chrome Oxide; Cobalt Chromium Tetraoxide
EINECS	234-639-1

Quality Control

Our Cobalt Chromate is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical tests, including X-ray diffraction (XRD) for phase identification and atomic absorption spectroscopy (AAS) for metal content analysis. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to confirm compliance with agreed specifications.

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 reducing agents. The container must be kept tightly sealed due to the fine, particulate nature of the product.

Specification

Item	Specification
Appearance	Greenish-black to brown powder
Identification (XRD)	Conforms to standard pattern
Assay (as CoCrO₄)	≥ 98.0 %
Cobalt (Co) Content	33.0 - 34.5 %
Chromium (Cr) Content	29.0 - 30.5 %
Loss on Drying (105°C)	≤ 1.0 %
Water Soluble Matter	≤ 0.5 %
Particle Size (D50)	< 10 µm
Lead (Pb)	≤ 20 ppm

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