Octadecyltrimethoxysilane

C₂₁H₄₆O₃SiCAS 3069-42-9374.68 g/mol

Open in Covalent MOL file

Properties

Molecular formula: C₂₁H₄₆O₃Si
Molar mass: 374.68 g/mol
Exact mass: 374.3216 Da
Density: 0.89 g/mL
Melting point: 13–17 °C
Boiling point: 170 °C (at 0.1 Torr)
logP: 7.13Crippen estimate
Polar surface area: 27.7 Å²
H-bond donors / acceptors: 0 / 3
Rotatable bonds: 20

Hazards

Warning

H315 Causes skin irritation59.5% of notifiers
H319 Causes serious eye irritation59.5% of notifiers
H335 May cause respiratory irritation54.1% of notifiers

Aggregated from 74 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number

3069-42-9

SMILES

CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC

InChIKey

SLYCYWCVSGPDFR-UHFFFAOYSA-N

InChI

InChI=1S/C21H46O3Si/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-25(22-2,23-3)24-4/h5-21H2,1-4H3

Weigh it out

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Names and synonyms

13 names · show all

Silane, trimethoxyoctadecyl-
Trimethoxyoctadecylsilane
Stearyltrimethoxysilane
LSX 6817
TSL 8185
n-Octadecyltrimethoxysilane
TSL 8186
M 1
M 1 (Silane)
AY 43-218MC
Dynasylan 9118
O 0256
KH 311

Work with Octadecyltrimethoxysilane

Predict the NMR spectrum1H and 13C shifts with multiplicities Make a solutionWhat to weigh for any molarity and volume Check drug-likenessLipinski, Veber and lead-likeness Isotope patternExact mass and the mass spectrum pattern

Similar compounds

Cetyl trimethoxysilane16415-12-6100 % similar Hexyltrimethoxysilane3069-19-0100 % similar Dodecyltrimethoxysilane3069-21-4100 % similar Trimethoxycaprylylsilane3069-40-7100 % similar Decyltrimethoxysilane5575-48-4100 % similar Butyltrimethoxysilane1067-57-881 % similar 1,6-Bis(trimethoxysilyl)hexane87135-01-175 % similar Propyltrimethoxysilane1067-25-064 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook Wikipedia