Tetramethyl orthosilicate

C4H12O4SiCAS 681-84-5152.22 g/mol

OSiOOO
Silyl ether

Properties

Molecular formula
C4H12O4Si
Molar mass
152.22 g/mol
Exact mass
152.0505 Da
Density
1.032 g/mL (at 20 °C)
Melting point
−2 °C
Boiling point
121–122 °C
Flash point
20 °C (closed cup)
Water solubility
soluble
logP
0.01Crippen estimate
Polar surface area
36.9 Ų
H-bond donors / acceptors
0 / 4
Rotatable bonds
4

Hazards

Danger
Flammable (GHS02)Corrosive (GHS05)Acute Toxic (GHS06)Irritant (GHS07)Health Hazard (GHS08)

Aggregated from 417 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P210, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P284, P302+P352, P303+P361+P353, P304+P340, P305+P354+P338, P316, P317, P319, P320, P321, P332+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, P501

Identifiers

CAS number
681-84-5
SMILES
CO[Si](OC)(OC)OC
InChIKey
LFQCEHFDDXELDD-UHFFFAOYSA-N
InChI
InChI=1S/C4H12O4Si/c1-5-9(6-2,7-3)8-4/h1-4H3

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Names and synonyms

29 names · show all
  • Silicic acid (H4SiO4), tetramethyl ester
  • Methyl silicate ((MeO)4Si)
  • Tetramethoxysilane
  • Silane, tetramethoxy-
  • Tetramethyl silicate
  • Methyl orthosilicate
  • Methyl silicate ((CH3)4SiO4)
  • Methyl silicate
  • Silicon tetramethoxide
  • Silicon methoxide (Si(OMe)4)
  • TMOS
  • KBM 04
  • Methyl silicate 39
  • Methyl silicate 28
  • T 1980
  • LS 540
  • SIT 7510.0
  • TSL 8114
  • Siluplex
  • Dynasil M
  • NSC 67383
  • OCD-T 2
  • MZ 51
  • MKC Silicate MS 39
  • Methyl silicate 40
  • Methyl silicate 51L
  • WD 931
  • TO 588
  • NIC-C 5

Work with Tetramethyl orthosilicate

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue.

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