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| CAS No.: | 1343-98-2 |
|---|---|
| Name: | Silicic acid |
| Molecular Structure: | |
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|
|
| Formula: | H2O3Si |
| Molecular Weight: | 78.10 |
| Synonyms: | Betol (acid);Cubosic;H-Ilerit;Hydrosilicic acid;Mikronisil;Polyorthosilicic acid;Polysilicic acid;Silica acid;Silicea;Silicic acid hydrate;Silicon hydroxide; |
| EINECS: | 215-683-2 |
| Density: | 0.230 g/cm3 |
| Solubility: | Soluble in water. |
| Appearance: | white powder |
| Hazard Symbols: |
 Xi
|
| Risk Codes: | 36/37 |
| Safety: | 22-26-36-24/25 |
| PSA: | 57.53000 |
| LogP: | -1.61360 |
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Specification
The CAS registry number of is 1343-98-2. Its EINECS registry number is 215-683-2. The IUPAC name is dihydroxy(oxo)silane. In addition, the molecular formula is H2O3Si and the molecular weight is 78.10. It is also called oxosilanediol. What's more, it is a kind of white powder and belongs to the classes of Chemical Synthesis; Inorganic Acids; Synthetic Reagents; Cosmetic Ingredients & Chemicals; Silica Gels.
Physical properties about this chemical are: (1)#H bond acceptors: 3; (2)#H bond donors: 2; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 35.53 Å2; (5)Exact Mass: 77.97732; (6)MonoIsotopic Mass: 77.97732; (7)Topological Polar Surface Area: 57.5; (8)Heavy Atom Count: 4; (9)Complexity: 26.3; (10)Covalently-Bonded Unit Count: 1.
Preparation of Silicic acid: it can be prepared by silica gel and hydrochloric acid. Soak the silica gel in the hydrochloric acid for 4-6 hours. Then wash it by pure water and dry it more than 72 hours. After this process, you should wash it again and dry it at temperature of 70-80 °C. In addition, Silicic acids may be formed by acidification of silicate salts (such as sodium silicate) in aqueous solution.
Uses of Silicic acid: it can manufacture catalyst and catalyst carrier. And it can be used as chemical reagent and flux in the production process of tungsten filament. What's more, it can be used for oil and wax decoloring.
When you are using this chemical, please be cautious about it as the following:
This chemical is irritating to eyes and respiratory system. During using it, wear suitable protective clothing and avoid contact with skin and eyes. And you should not breathe dust. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
You can still convert the following datas into molecular structure:
(1)SMILES: O=[Si](O)O
(2)InChI: InChI=1/H2O3Si/c1-4(2)3/h1-2H
(3)InChIKey: IJKVHSBPTUYDLN-UHFFFAOYAA