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| CAS number | 681-84-5 |
| Molecular formula | C4H12O4Si |
| Product name | 681-84-5 Tetramethyl orthosilicate |
| Molecular Structure |  |
Appearance：colourless liquid
Density：1.023
Boiling Point：121-122ºC
Melting Point：-2ºC
Flash Point：26ºC
Refractive Index：1.367-1.37
Water Solubility：hydrolysis
Storage Condition：Flammables area
Vapor Density：5.25 (vs air)
Vapor Pressure：3.35 psi ( 20 °C)
