| Customization: | Available |
|---|---|
| CAS No.: | 681-84-5 |
| Formula: | C4h12o4si |
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| Tetramethyl orthosilicate Basic information | |
| Product Name: | Tetramethyl orthosilicate |
| CAS: | 681-84-5 |
| MF: | C4H12O4Si |
| MW: | 152.22 |
| EINECS: | 211-656-4 |
| Tetramethyl orthosilicate Chemical Properties | |
| Melting point | −4 °C(lit.) |
| Boiling point | 121-122 °C(lit.) |
| density | 1.023 g/mL at 25 °C(lit.) |
| vapor density | 5.25 (vs air) |
| vapor pressure | 3.35 psi ( 20 °C) |
| FEMA | 3185 | METHYLATED SILICA |
| refractive index | n20/D 1.368(lit.) |
| Fp | 84 °F |
| storage temp. | Flammables area |
| form | liquid |
| color | colorless |
| Specific Gravity | 1.032 |
| explosive limit | 0.88-23.8%(V) |
| Water Solubility | hydrolysis |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1699658 |
Spec.:
| TEST | SPECIFICATION | VALUE |
| MIN. MAX. | ||
| Appearance | Colorless Liquid | |
| Infrared spectrum | Conforms to Structure | |
| Purity(GC) | 98 % 100 % | 1 |
| Refractive index n20/D | 1.367 1.37 | 1.37 |
| Specific gravity (20/20°C) | 1.033 1.036 | 1.036 |
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