Product Description of Fumed silica CAS#112945-52-5
Fumed silica (pyrogenic silica) is a novel, white, non-toxic, and odorless inorganic nanomaterial with an amorphous structure. Thanks to its unique physicochemical properties—such as small particle size, high specific surface area, high surface activity, and chemical stability—it exhibits excellent thickening, thixotropic, and reinforcing capabilities, offering broad application potential in the field of humanoid robotics.
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Chemical Properties of Fumed silica CAS#112945-52-5
| Product Name: | Fumed Silica |
| Synonyms: | acticel;SILICA GEL 7G;SILICA GEL 8-20 MESH;SILICA GEL 12-28 MESH;SILICA GEL 100;SILICA GEL 30;SILICA GEL 60 G;WATER-IMPREGNATED SILICA GEL |
| CAS: | 112945-52-5 |
| MF: | O2Si |
| MW: | 60.08 |
| EINECS: | 231-545-4 |
| Product Categories: | UVCBs-inorganic;metal oxide |
| Mol File: | 112945-52-5.mol |
| Melting point | >1600°C |
| density | 2.3 lb/cu.ft at 25 °C (bulk density)(lit.) |
| refractive index | n20/D 1.46(lit.) |
| solubility | Practically insoluble in organic solvents, water, and acids, except hydrofluoric acid; soluble in hot solutions of alkali hydroxide. Forms a colloidal dispersion with water. For Aerosil, solubility in water is 150 mg/L at 258℃ (pH 7). |
| form | powder |
| Specific Gravity | 2.2 |
| Hydrolytic Sensitivity | 5: forms reversible hydrate |
| Cosmetics Ingredients Functions | OPACIFYING ABRASIVE BULKING VISCOSITY CONTROLLING ANTICAKING ABSORBENT |
| InChI | InChI=1S/O2Si/c1-3-2 |
| InChIKey | VYPSYNLAJGMNEJ-UHFFFAOYSA-N |
| SMILES | [Si](=O)=O |
| CAS DataBase Reference | 112945-52-5(CAS DataBase Reference) |
| EPA Substance Registry System | Silica, amorphous, fumed, cryst.-free (112945-52-5) |
Safety Information of Fumed silica CAS#112945-52-5
| Safety Statements | 24/25 |
| WGK Germany | 2 |
| RTECS | VV7310000 |
| TSCA | Yes |
| HS Code | 28112290 |
| Storage Class | 13 - Non Combustible Solids |
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Product Application of Fumed silica CAS#112945-52-5
Widely used in various coatings, plastics, adhesives, and sealants; serves as a reinforcing agent in rubber.
Used as a raw material for manufacturing water glass, refractory materials, optical glass, optical fibers, and quartz glass apparatus; also used to produce ultrasonic components, adsorbents, etc.
Used in electronic packaging, ultra-large-scale integrated circuits, advanced ceramics, and the ink industry.
Used as a dehumidifying desiccant, dehydrating agent, moisture-proofing agent, and air humidity regulator; also used for gas drying. Additionally serves as a catalyst and catalyst carrier, a reinforcing agent for silicone rubber, and a sizing agent in the textile industry.
Used in the manufacture of glass-ceramics and abrasives, oil decolorization, ferrosilicon purification, and the analytical determination of boron, arsenic, silver, etc.
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