Calcium Silicate Properties, Molecular Formula, Applications - WorldOfChemicals

Calcium Silicate Properties

Calcium Silicate



Calcium Silicate is the chemical compound with the chemical formula Ca2SiO4, also known as calcium orthosilicate. It is one of a group of compounds obtained by reacting calcium oxide and silica in various ratios. Calcium silicate is a white free-flowing powder derived from limestone and diatomaceous earth. It has a low bulk density and high physical water absorption. It is used in roads, insulation, bricks, roof tiles, table salt and occurs in cements, where it is known as belite. It is used as an anti-caking agent in food preparation and an antacid. It is approved by the United Nations' FAO and WHO bodies as a safe food additive in a large variety of products. Calcium silicate is commonly used as a safe alternative to asbestos for high temperature insulation materials. Industrial grade piping and equipment insulation is often fabricated from calcium silicate. Its fabrication is a routine part of the curriculum for insulation apprentices. Calcium silicate competes in these realms against rockwool as well as proprietary insulation solids, such as perlite mixture and vermiculite bonded with sodium silicate.Calcium silicate is used medicinally as an antacid. It has several applications in construction materials. It is a component of cement, roof tiles, bricks, and it is used as an alternative to asbestos for its insulating properties. Calcium silicate also has fire retardant properties and is used as a passive fire protectant.

Chemical Properties

Appearance White or cream powder
CAS Number 1344-95-2
Density 2.9 g/mL
EINECS Number 215-710-8
Melting Point 1540ºC
Molar Mass 116.16g/mol
RTECS Number VV9150000
Synonyms Calcium Polysilicate;Calcium Silicate; Calflo E; Calsil; Calsilite; E 552; Fpw 5000; Florite R;Florite Re; Florite Rm; Florite Rm 10; Florite Rm 20; Florite Rn; Florite Rt;Gastrosil; Hilac N 80; Hiluc 0.8; Hishirakku Na; Huberderm 1000; Hubersorb 250;Hubersorb 5121; Hubersorb 600; Ktk; Lsm 100; Marimet 45; Micro-Cel; Micro-Cela; Micro-Cel B; Micro-Cel C; Micro-Cel E; Micro-Cel T; Micro-Cel T 26