Octadecyldimethylmethoxysilane

C21H46OSiCAS 71808-65-6342.68 g/mol

Open in Covalent MOL file
SiO
Silyl ether

Properties

Molecular formula
C21H46OSi
Molar mass
342.68 g/mol
Exact mass
342.3318 Da
Density
0.83 g/mL (at 25 °C)
Boiling point
184–186 °C (at 0.2 Torr)
logP
8.10Crippen estimate
Polar surface area
9.2 Ų
H-bond donors / acceptors
0 / 1
Rotatable bonds
18

Hazards

Warning
Irritant (GHS07)

Aggregated from 42 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
71808-65-6
SMILES
CCCCCCCCCCCCCCCCCC[Si](C)(C)OC
InChIKey
RUFRLNPHRPYBLF-UHFFFAOYSA-N
InChI
InChI=1S/C21H46OSi/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-23(3,4)22-2/h5-21H2,1-4H3

Weigh it out

Type any one amount. The others follow from the molar mass and density.

Names and synonyms

5 names
  • Silane, methoxydimethyloctadecyl-
  • Methoxydimethyloctadecylsilane
  • Dimethyl(octadecyl)methoxysilane
  • Dimethyl(methoxy)octadecylsilane
  • n-Octadecyldimethylmethoxysilane

Work with Octadecyldimethylmethoxysilane

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

Methoxydimethyloctylsilane93804-29-6100 % similar Cetyl trimethoxysilane16415-12-662 % similar Hexyltrimethoxysilane3069-19-062 % similar Dodecyltrimethoxysilane3069-21-462 % similar Trimethoxycaprylylsilane3069-40-762 % similar Octadecyltrimethoxysilane3069-42-962 % similar Decyltrimethoxysilane5575-48-462 % similar Butyltrimethoxysilane1067-57-848 % similar

Tanimoto similarity of circular fingerprints over the whole catalogue.

All similar compounds

Elsewhere

PubChem CAS Common Chemistry NIST WebBook