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Specification Sheet

Tetramethyl orthosilicate, 98%

: Tetramethoxysilane, TMOS, Methyl orthosilicate, Methyl silicate

: T 8774

: Si(OCH3)4

: 152.22

: Tetramethyl orthosilicate is the chemical compound with the formula Si(OCH3)4. This molecule consists of four methyl groups attached to the hypothetical anion SiO44−. The basic properties are similar to the more popular tetraethyl orthosilicate, which is usually preferred because the product of hydrolysis, ethanol, is less toxic than methanol.

: T 8774 (OTTO) Tetramethyl orthosilicate, 98% Cas no 681-84-5 - used in the sol-gel synthesis of chromium-doped silicates and in the formation of hexagonal mesoporous silica layers.


Properties

: 98%

: Liquid

: Colourless

: -4 °C(lit.)

: 121-122 °C(lit.)

: 1.023 g/mL at 25 °C(lit.)


Safety Information
  • Corrosion
  • Flame
  • Skull and Crossbones

Signal word Danger
Hazard statements H226-H315-H318-H330
Precautionary statements P210-P260-P280-P304 + P340 + P310-P305 + P351 + P338 + P310-P370 + P378
RIDADR UN 2606 3(6.1) / PGI
WGK Germany 3


PackingsPrice (INR)
25 gm 3006.00
100 gm 9306.00
500 gm 36090.00
5 kg POR
200 kg POR