This strain reacts sodium silicate with acids (such as hydrochloric acid, sulfuric acid, phosphoric acid, etc.) or with salts (such as ammonium chloride, ammonium sulfate, ammonium bicarbonate, etc.) to produce silicate precipitation (that is, hydrated silica), which is washed in water and dried after removing impurities. According to the calculation of incandescent products, the silica content is not less than 99.0%.
| General Information | |||
| Product Name | Silicon Dioxide | ||
| HS Code | 28112210 | ||
| CAS Number | 14464-46-1 | ||
| Standard | CP、USP、EP、BP | ||
| Packing Specification | 10kg/ bag | ||
| Storage Condition | Room temperature, Sealed | ||
| Product Character | This product is white odorless hygroscopic fine amorphous powder. Insoluble in water, ethanol and other organic solutions. It is also insoluble in acids (with the exception of hydrofluoric acid). Soluble in hot sodium hydroxide lye. | ||
| Physicochemical Property | |
| Density | 2.6g/cm3 |
| Molecular Formula | SiO2•XH2O |
| Refractive Index | N/A |
| Boiling Point | 2230℃ at 760 mmHg |
| Vapor Pressure | N/A |
| Molecular Weight | 68.08（Anhydrous substance） |
| Fusing Point | 1710℃ |
| Flash Point | N/A |
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