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Product Line: Pharmaceutical Chemicals

Calcium silicate

CAS 1344-95-2

Molecular structure of Calcium silicate

CAS · 1344-95-2

01

Product Overview

Calcium silicate is a high-purity pharmaceutical-excipients supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Grade CP 2020
Appearance White to gray-white crystal powder
Identification 1: Conforms 2: Conforms
pH (50mg/1ml H₂O) 8.4–11.2
F 0.005% Max
Pb 0.0005% Max
Loss on ignition 20% Max
SiO₂ 35% Min
CaO 4% Max
SiO₂/CaO 0.5–20
Total content (SiO₂ + CaO + Loss on ignition) 90% Min
Total aerobic bacteria count 100 cfu/g Max
Total number of mold and yeast 100 cfu/g Max
03

Applications

Calcium silicate is a versatile inorganic compound widely applied in construction, industrial manufacturing, and specialized technical fields. In the building materials sector, it is used as a core ingredient in insulation boards, wall panels, and fireproof materials due to its excellent thermal stability and non-combustibility. Its lightweight and high insulating capacity make it ideal for thermal and acoustic insulation in residential, commercial, and industrial structures. In heavy industry, calcium silicate serves as a protective refractory material, lining furnaces, kilns, and foundries to withstand extreme temperatures. It is also employed as a filtration aid in the food and beverage industry, where its porous structure improves clarity and purity. Additionally, calcium silicate finds use in pharmaceuticals and personal care products as an anti-caking and free-flow agent, ensuring consistency in powders and granulated formulations.

04

Benefits

The benefits of calcium silicate arise from its thermal resistance, structural stability, and multifunctional properties. As a fire-resistant and non-toxic material, it enhances safety in construction while contributing to sustainable building practices. Its low density and excellent insulation reduce energy consumption, offering both environmental and economic advantages. In filtration applications, its porous structure ensures high efficiency and purity without introducing contaminants. As a flow agent in powders, it improves handling, storage, and product quality. Moreover, its versatility across construction, industry, and consumer goods demonstrates its adaptability to diverse needs, making it a dependable and widely adopted material.

05

Conclusion

Calcium silicate (CAS 1344-95-2) is a multifunctional compound that plays a vital role in construction, manufacturing, and consumer products. Its fire resistance, insulation properties, and utility in filtration and formulation highlight its value in enhancing safety, efficiency, and product quality. With its broad applicability and practical benefits, calcium silicate continues to be an essential material supporting modern industry and everyday use.

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