| CAS No.: | 1344-95-2 |
|---|---|
| Formula: | Cao3si |
| Type: | Synthesis Material Intermediates |
|
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| Melting point | 1540ºC [CRC10] |
| density | 2.9 g/mL at 25 °C(lit.) |
| solubility | Practically insoluble in water; forms a gel with mineral acids. It can absorb up to 2.5 times its weight of liquids and still remain a free-flowing powder. |
| form | white monoclinic crystals |
| Specific Gravity | 2.9 |
| PH | 9.5-11.5 (5% in H2O) |
| Water Solubility | insoluble H2O [HAW93] |
| Merck | 13,1707 |
| Stability: | Stable. |
| CAS DataBase Reference | 1344-95-2(CAS DataBase Reference) |
| EPA Substance Registry System | Calcium silicate (1344-95-2) |
| calcium silicate Usage And Synthesis |
| Description | Calcium orthosilicate is commonly used as a safe alternative to asbestos for high-temperature insulation materials. Industrial grade piping and equipment insulation are often fabricated from calcium orthosilicate. |
| Description | The stoichiometry of the hydrate in cement paste is variable and the state of the chemically and physically bound water in its structure is not clear. Thus, calcium silicate can be prepared by calcining the oxide with silica, SiO2, at an elevated temperature: CaO + SiO2+ hea?CaSiO3 |
| Chemical Properties | white or cream powder |
| Chemical Properties | Calcium silicate occurs as a crystalline or amorphous white or offwhite material, and often exists in different hydrate forms. |
| Uses | Constituent (produced in situ) of lime glass, portland cement; reinforcing filler in elastomers and plastics; absorbent for liquids, gases, vapors; as anti-caking agent, suspension agent, pigment and pigment extender; binder for refractory material; in chromatography; in road construction. |
| Uses | Calcium Silicate is an anticaking agent that exists in different forms, which are insoluble in water. it is used in salt to enhance flowability under extremely high humidity conditions. it is also used in baking powder and fabricated chips to absorb water or other liquids. |
| Uses | Anticaking agent in table salt, foods, pharmaceuticals, and agricultural pesticides; replacement for asbestos in thermal insulation |
| Production Methods | When used in oral formulations, calcium silicate is practically nontoxic. Inhalation of the dust particles may cause respiratory tract irritation. |
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