ChemicalBook--->CAS DataBase List--->3069-42-9

3069-42-9

3069-42-9 Structure

3069-42-9 Structure
IdentificationMore
[Name]

Octadecyltrimethoxysilane
[CAS]

3069-42-9
[Synonyms]

N-OCTADECYLTRIMETHOXYSILANE
OCTADECYLTRIMETHOXYSILANE
STEARYLTRIMETHOXYSILANE
TRIMETHOXYOCTADECYLSILANE
Silane, trimethoxyoctadecyl-
trimethoxyoctadecyl-silan
OCTADECYLTRIMETHOXYSILANE, TECH., 90%
OCTADECYLTRIMETHOXYSILANE TECH 90%
N-OCTADECYLTRIMETHOXYSILANE 95+%
Octadecyltrimethoxysilan
N-OCTADECYLTRIMETHOXYSILANE (85% N-ISOMER)
n-Octodecyltrimethoxysilane
Octadecyltrimethoxysilane, 90% ,tech.,
1-(Trimethoxysilyl)octadecane
[EINECS(EC#)]

221-339-2
[Molecular Formula]

C21H46O3Si
[MDL Number]

MFCD00043060
[Molecular Weight]

374.67
[MOL File]

3069-42-9.mol
Chemical PropertiesBack Directory
[Appearance]

Colorless transparent liquid
[Melting point ]

16-17 °C(lit.)
[Boiling point ]

170 °C (0.1 mmHg)
[density ]

0.883 g/mL at 25 °C(lit.)
[vapor pressure ]

0.001Pa at 25℃
[refractive index ]

n20/D 1.439(lit.)
[Fp ]

284 °F
[storage temp. ]

Inert atmosphere,Room Temperature
[solubility ]

Chloroform (Slightly)
[form ]

liquid
[color ]

Colourless
[Specific Gravity]

0.883
[Stability:]

Stable. Incompatible with strong oxidizing agents. Moisture sensitive.
[Water Solubility ]

190-437000ng/L at 20℃
[Hydrolytic Sensitivity]

7: reacts slowly with moisture/water
[BRN ]

5791830
[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
[InChIKey]

SLYCYWCVSGPDFR-UHFFFAOYSA-N
[SMILES]

CCCCCCCCCCCCCCCCCC[Si](OC)(OC)OC
[LogP]

6
[CAS DataBase Reference]

3069-42-9(CAS DataBase Reference)
[NIST Chemistry Reference]

Octadecyltrimethoxysilane(3069-42-9)
[EPA Substance Registry System]

Silane, trimethoxyoctadecyl- (3069-42-9)
Safety DataBack Directory
[Symbol(GHS) ]

Exclamation Mark (GHS07)
GHS07
[Signal word ]

Warning
[Hazard statements ]

H315-H319-H335
[Precautionary statements ]

P280-P261
[Hazard Codes ]

Xi
[Risk Statements ]

R36/37/38:Irritating to eyes, respiratory system and skin .
[Safety Statements ]

S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
[WGK Germany ]

1
[F ]

10-21
[TSCA ]

Yes
[REACH Registrations]

Active
[HS Code ]

29319090
[Storage Class]

10 - Combustible liquids
Hazard InformationBack Directory
[Chemical Properties]

Colorless transparent liquid
[Uses]

For preparing hydrophobic coatings and self-assembled monolayers.
[General Description]

Trimethoxy(octadecyl)silane (OTS) is an important alkylsilane that can form strong covalent bonds with silicon oxide and serves as a potential lubricant for micro electro mechanical systems (MEMS). OTS is largely used for surface chemical modification, modifying silica resulted in an increased charge carrier mobility for a variety of vacuum deposited and solution cast organic semiconductors.
Spectrum DetailBack Directory
[Spectrum Detail]

Octadecyltrimethoxysilane(3069-42-9)1HNMR
Octadecyltrimethoxysilane(3069-42-9)IR
Octadecyltrimethoxysilane(3069-42-9)Raman
Well-known Reagent Company Product InformationBack Directory
[Acros Organics]

Octadecyltrimethoxysilane, tech., 90%(3069-42-9)
[Sigma Aldrich]

3069-42-9(sigmaaldrich)
[TCI AMERICA]

Octadecyltrimethoxysilane,>85.0%(GC)(3069-42-9)
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