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ChemicalBook >> CAS DataBase List >> N-OCTADECYLDIMETHYLMETHOXYSILANE

N-OCTADECYLDIMETHYLMETHOXYSILANE

N-OCTADECYLDIMETHYLMETHOXYSILANE price.
  • $13 - $1228.92
  • Product name: N-OCTADECYLDIMETHYLMETHOXYSILANE
  • CAS: 71808-65-6
  • MF: C21H46OSi
  • MW: 342.67
  • EINECS:276-039-4
  • MDL Number:MFCD00042920
  • Synonyms:N-OCTADECYLDIMETHYLMETHOXYSILANE;OCTADECYLDIMETHYLMETHOXYSILANE;DIMETHYLOCTADECYLMETHOXYSILANE;DIMETHYLMETHOXYOCTADECYLSILANE;Methoxy(dimethyl)octadecylsilane;n-Octadecyldimethylmethoxysilane92%;Octadecylmethoxydimethylsilane;Dimethylmethoxyoctadecylsilane, Dimethyloctadecylmethoxysilane, Octadecyldimethylmethoxysilane
Price16 Properties Safety Information Description
16 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • Ambeed
  • American Custom Chemicals Corporation
  • Biosynth
  • Sigma-Aldrich
  • TCI Chemical
Package
  • 1g
  • 5mL
  • 5g
  • 10g
  • 25ml
  • 25g
  • 50g
  • 100g
  • Manufactureraablocks
  • Product numberAA005FDU
  • Product descriptionMethoxydimethyl(Octadecyl)Silane 98%
  • Packaging1g
  • Price$13
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA005FDU
  • Product descriptionMethoxydimethyl(Octadecyl)Silane 95%
  • Packaging5g
  • Price$43
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA005FDU
  • Product descriptionMethoxydimethyl(Octadecyl)Silane 95%
  • Packaging25g
  • Price$118
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product number5133BA
  • Product descriptionSilane,methoxydimethyloctadecyl-
  • Packaging25ml
  • Price$349
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA856411
  • Product descriptionMethoxydimethyl(octadecyl)silane 98%
  • Packaging25g
  • Price$112
  • Updated2026-06-05
  • Buy
  • ManufacturerAmbeed
  • Product numberA856411
  • Product descriptionMethoxydimethyl(octadecyl)silane 98%
  • Packaging1g
  • Price$16
  • Updated2026-06-05
  • Buy
  • ManufacturerAmbeed
  • Product numberA856411
  • Product descriptionMethoxydimethyl(octadecyl)silane 98%
  • Packaging5g
  • Price$32
  • Updated2026-06-05
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0000441
  • Product descriptionN-OCTADECYLDIMETHYLMETHOXYSILANE 95.00%
  • Packaging25ML
  • Price$1228.92
  • Updated2021-12-16
  • Buy
  • ManufacturerBiosynth
  • Product numberWCA80865
  • Product descriptionMethoxy(dimethyl)octadecylsilane
  • Packaging10g
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberWCA80865
  • Product descriptionMethoxy(dimethyl)octadecylsilane
  • Packaging25g
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberWCA80865
  • Product descriptionMethoxy(dimethyl)octadecylsilane
  • Packaging50g
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberWCA80865
  • Product descriptionMethoxy(dimethyl)octadecylsilane
  • Packaging5g
  • Price$900
  • Updated2026-06-05
  • Buy
  • ManufacturerBiosynth
  • Product numberWCA80865
  • Product descriptionMethoxy(dimethyl)octadecylsilane
  • Packaging100g
  • Price$1095
  • Updated2026-06-05
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number40955
  • Product descriptionMethoxy(dimethyl)octadecylsilane technical, ≥90% (GC)
  • Packaging25ml
  • Price$288
  • Updated2023-06-20
  • Buy
  • ManufacturerTCI Chemical
  • Product numberM3011
  • Product descriptionMethoxy(dimethyl)octadecylsilane >90.0%(GC)
  • Packaging25mL
  • Price$155
  • Updated2026-04-30
  • Buy
  • ManufacturerTCI Chemical
  • Product numberM3011
  • Product descriptionMethoxy(dimethyl)octadecylsilane >90.0%(GC)
  • Packaging5mL
  • Price$45
  • Updated2026-04-30
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA005FDU Methoxydimethyl(Octadecyl)Silane 98% 1g $13 2026-05-28 Buy
aablocks AA005FDU Methoxydimethyl(Octadecyl)Silane 95% 5g $43 2026-05-28 Buy
aablocks AA005FDU Methoxydimethyl(Octadecyl)Silane 95% 25g $118 2026-05-28 Buy
AK Scientific 5133BA Silane,methoxydimethyloctadecyl- 25ml $349 2021-12-16 Buy
Ambeed A856411 Methoxydimethyl(octadecyl)silane 98% 25g $112 2026-06-05 Buy
Ambeed A856411 Methoxydimethyl(octadecyl)silane 98% 1g $16 2026-06-05 Buy
Ambeed A856411 Methoxydimethyl(octadecyl)silane 98% 5g $32 2026-06-05 Buy
American Custom Chemicals Corporation ORS0000441 N-OCTADECYLDIMETHYLMETHOXYSILANE 95.00% 25ML $1228.92 2021-12-16 Buy
Biosynth WCA80865 Methoxy(dimethyl)octadecylsilane 10g $900 2026-06-05 Buy
Biosynth WCA80865 Methoxy(dimethyl)octadecylsilane 25g $900 2026-06-05 Buy
Biosynth WCA80865 Methoxy(dimethyl)octadecylsilane 50g $900 2026-06-05 Buy
Biosynth WCA80865 Methoxy(dimethyl)octadecylsilane 5g $900 2026-06-05 Buy
Biosynth WCA80865 Methoxy(dimethyl)octadecylsilane 100g $1095 2026-06-05 Buy
Sigma-Aldrich 40955 Methoxy(dimethyl)octadecylsilane technical, ≥90% (GC) 25ml $288 2023-06-20 Buy
TCI Chemical M3011 Methoxy(dimethyl)octadecylsilane >90.0%(GC) 25mL $155 2026-04-30 Buy
TCI Chemical M3011 Methoxy(dimethyl)octadecylsilane >90.0%(GC) 5mL $45 2026-04-30 Buy

Properties

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)

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P271 Use only outdoors or in a well-ventilated area.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

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

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