Description

Cobalt Silicate is an inorganic compound with the chemical formula Co2SiO4, known for its distinctive blue color and stability at high temperatures. This compound is a critical raw material for imparting durable blue and violet hues in ceramic glazes, glass, and inorganic pigments. It is essential for manufacturers in the ceramics, glass, specialty coatings, and construction materials industries seeking consistent, high-temperature stable coloration.

Application

• Ceramic Glazes and Frits: Primary use as a blue colorant in pottery, tiles, sanitaryware, and tableware, providing stable color during firing.
• Glass Manufacturing: Used to produce blue-colored glass for decorative, architectural, and specialty applications.
• Inorganic Pigments: A key component in the formulation of cobalt blue and other mixed-metal oxide pigments for plastics, paints, and coatings.
• Construction Materials: Coloring agent for concrete pavers, roofing tiles, and other cementitious products.
• Refractory and Abrasive Materials: Incorporated into specialized ceramics and grinding wheels for its hardness and thermal properties.
• Catalyst Supports: Potential use as a support material or precursor in certain heterogeneous catalytic processes.

Basic Information

Product Name	Cobalt Silicate
CAS No.	14012-90-9
Molecular Formula	Co2SiO4
Molecular Weight	209.95 g/mol
Synonyms	Cobalt(2+) silicate; Cobalt orthosilicate; Cobalt blue (pigment grade); Olivine, cobalt; Thenard's blue; Cobaltous silicate; Co2SiO4; CI 77373
EINECS	237-824-1

Quality Control

Our Cobalt Silicate is produced under strict quality management protocols to ensure batch-to-batch consistency and performance in demanding applications. Quality is verified through analysis of key parameters including cobalt content, silicate composition, particle size distribution, and colorimetric values. A Certificate of Analysis (COA) detailing these specifications is provided with each shipment to guarantee compliance with your technical requirements.

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. The container must be kept tightly closed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Blue to violet-blue powder
Identification (IR/XRD)	Conforms to standard
Cobalt (as Co) Content	≥ 55.0 %
Silicon Dioxide (SiO2) Content	Balance
Particle Size (D50)	1 - 10 µm (customizable)
Loss on Drying (105°C)	≤ 1.0 %
Heavy Metals (as Pb)	≤ 0.005 %

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