Calcium Silicate, Calcium monosilicate, Calcium Hydrosilicate, Calcium Orthosilicate, Belite, 1344-95-2

Calcium Silicate, Calcium monosilicate, Calcium Hydrosilicate, Calcium Orthosilicate, Belite, 1344-95-2

Physical and Chemical Properties

• Chemical Formula: CaSiO₃

• CAS Number: 1344-95-2

• Appearance: White, odorless crystalline or powdered material.

• Density: 2.9 g/cm³

• Melting Point: 1540°C

• Solubility: Insoluble in water; forms a gel with mineral acids.

• pH: 9.5-11.5 (5% solution).

Uses

• Construction Industry: Used in fireproof materials, insulation boards, and cement production.

• Food Industry: Labeled as E552, it acts as an anti-caking and moisture-absorbing agent.

• Industrial Applications: Applied as a filler in ceramics, glass, and metallurgy.

• Agriculture: Works as a soil conditioner to support plant growth.

Production

It is synthesized through the reaction of calcium oxide (CaO) and silica (SiO₂) at high temperatures. Innovative methods, such as using rice husk ash, are also employed to produce nano-scale calcium silicate.

Other Names

• Belite

• Calcium monosilicate

• Calcium hydrosilicate

• Calcium orthosilicate

• Micro-cell Silene.

Common References