N-OCTADECYLDIMETHYLMETHOXYSILANE

Product Name: N-OCTADECYLDIMETHYLMETHOXYSILANE
CAS No.: 71808-65-6
Chemical Name: N-OCTADECYLDIMETHYLMETHOXYSILANE
Synonyms: DK374;DK874;Octadecylmethoxydimethylsilane;DIMETHYLMETHOXYOCTADECYLSILANE;DIMETHYLOCTADECYLMETHOXYSILANE;OCTADECYLDIMETHYLMETHOXYSILANE;N-OCTADECYLDIMETHYLMETHOXYSILANE;Silane,methoxydimethyloctadecyl-;Methoxy(dimethyl)octadecylsilane;n-Octadecyldimethylmethoxysilane92%
CBNumber: CB0678177
Molecular Formula: C21H46OSi
Formula Weight: 342.67
MOL File: 71808-65-6.mol

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N-OCTADECYLDIMETHYLMETHOXYSILANE Property

Boiling point:: 184 °C
Density: 0.83 g/mL at 25 °C (lit.)
refractive index: n20/D 1.444(lit.)
Flash point:: >110°C
form: clear liquid
color: Colorless to Almost colorless
Specific Gravity: 0.83
Hydrolytic Sensitivity: 7: reacts slowly with moisture/water
BRN: 7346074
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
InChIKey: RUFRLNPHRPYBLF-UHFFFAOYSA-N
SMILES: CCCCCCCCCCCCCCCCCC[Si](C)(C)OC
CAS DataBase Reference: 71808-65-6
EPA Substance Registry System: Silane, methoxydimethyloctadecyl- (71808-65-6)

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Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-36
WGK Germany: 3
F: 21
TSCA: TSCA listed
HS Code: 2931.90.9010
Storage Class: 11 - Combustible Solids
Hazard Classifications: Eye Irrit. 2
Skin Irrit. 2
STOT SE 3

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 40955
Product name: Methoxy(dimethyl)octadecylsilane
Purity: technical, ≥90% (GC)
Packaging: 25ml
Price: $288
Updated: 2023/06/20

TCI Chemical

Product number: M3011
Product name: Methoxy(dimethyl)octadecylsilane
Purity: >90.0%(GC)
Packaging: 5mL
Price: $75
Updated: 2025/07/31

TCI Chemical

Product number: M3011
Product name: Methoxy(dimethyl)octadecylsilane
Purity: >90.0%(GC)
Packaging: 25mL
Price: $220
Updated: 2025/07/31

AK Scientific

Product number: 5133BA
Product name: Silane,methoxydimethyloctadecyl-
Packaging: 25ml
Price: $349
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: ORS0000441
Product name: N-OCTADECYLDIMETHYLMETHOXYSILANE
Purity: 95.00%
Packaging: 25ML
Price: $1228.92
Updated: 2021/12/16

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N-OCTADECYLDIMETHYLMETHOXYSILANE Chemical Properties,Usage,Production

Uses

Silica spheres for HPLC colums were reported to be functionalized with methoxy(dimethyl) octadecylsilane. 1 Methoxy(dimethyl) octadecylsilane may be grafted on the surface of ZnO nanoparticles. 2

General Description

Methoxy(dimethyl)octadecylsilane(MDOS) is an organosilane with one methoxy group. It is a silane coupling agent which forms a self-assembled monolayer(SAM) on a variety of particles.

N-OCTADECYLDIMETHYLMETHOXYSILANE Preparation Products And Raw materials

Raw materials

Preparation Products

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N-OCTADECYLDIMETHYLMETHOXYSILANE Suppliers

Americas 1 China 75 Europe 1 Germany 2 India 1 Japan 1 Singapore 1 Switzerland 1 United Kingdom 3 United States 8 Global 94

J & K SCIENTIFIC LTD.

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Sigma-Aldrich

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Shanghai Enchem Industry Co., Ltd.

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71808-65-6, N-OCTADECYLDIMETHYLMETHOXYSILANERelated Search:

N-OCTADECYLTRIETHOXYSILANE Octadecyltrimethoxysilane Trimethylstearylammonium Chloride N-DECYLDIMETHYLMETHOXYSILANE N-OCTADECYLSILANE DODECYLSILANE OCTADECYL DIMETHYL ETHOXYSILANE N-DECYLDIMETHYLSILANE DIMETHYLMETHOXY-N-PROPYLSILANE DIMETHYLMETHOXY-N-OCTYLSILANE N-BUTYLDIMETHYLMETHOXYSILANE DIMETHYLOCTADECYLSILANE N-OCTADECYLDIMETHYLMETHOXYSILANE

N-OCTADECYLDIMETHYLMETHOXYSILANE

OCTADECYLDIMETHYLMETHOXYSILANE

DIMETHYLOCTADECYLMETHOXYSILANE

DIMETHYLMETHOXYOCTADECYLSILANE

Methoxy(dimethyl)octadecylsilane

n-Octadecyldimethylmethoxysilane92%

Octadecylmethoxydimethylsilane

Dimethylmethoxyoctadecylsilane, Dimethyloctadecylmethoxysilane, Octadecyldimethylmethoxysilane

Silane,methoxydimethyloctadecyl-

DK874

DK374

71808-65-6

71808-65-5

C21H46OSi

Organometallic Reagents

Organosilicon

Others