Welcome to chemicalbook!
China English Japan Germany
010-86108875
18162-48-6872-50-4Methylene ChloridenaphthaleneTHFTitanium Dioxide
Structure Search
RFQ
Try our best to find the right business for you.
Messages
Do not miss inquiry messages Please log in to view all inquiry messages.
My chemicalbook Sign in

Welcome back!

RFQ
skype
MY Account
Top
ChemicalBook >> CAS DataBase List >> Octadecyltrimethoxysilane

Octadecyltrimethoxysilane

Octadecyltrimethoxysilane price.
  • $6 - $1125.09
  • Product name: Octadecyltrimethoxysilane
  • CAS: 3069-42-9
  • MF: C21H46O3Si
  • MW: 374.67
  • EINECS:221-339-2
  • MDL Number:MFCD00043060
  • Synonyms:OCTADECYLTRIMETHOXYSILANE;STEARYLTRIMETHOXYSILANE;Silane, trimethoxyoctadecyl-;TriMethoxy(octadecyl)silane technical grade, 90%;trimethoxyoctadecyl-silan ;OCTADECYLTRIMETHOXYSILANE, TECH., 90%;OCTADECYLTRIMETHOXYSILANE TECH 90%;N-OCTADECYLTRIMETHOXYSILANE 95+%
Price21 Properties Safety Information Description
21 prices
Selected condition：
Brand
  • aablocks
  • AK Scientific
  • American Custom Chemicals Corporation
  • Apolloscientific
  • Crysdot
  • Matrix Scientific
  • Sigma-Aldrich
  • SynQuest Laboratories
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
  • Usbiological
Package
  • 250mg
  • 5g
  • 5ml
  • 10g
  • 25ML
  • 25g
  • 100g
  • 100.00g
  • 500g
  • 25 mL
  • Manufactureraablocks
  • Product numberAA003V0B
  • Product descriptionTrimethoxy(octadecyl)silane 97%
  • Packaging5g
  • Price$6
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003V0B
  • Product descriptionTrimethoxy(octadecyl)silane 97%
  • Packaging10g
  • Price$10
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003V0B
  • Product descriptionTrimethoxy(octadecyl)silane 90%
  • Packaging25g
  • Price$16
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003V0B
  • Product descriptionTrimethoxy(octadecyl)silane 90%
  • Packaging100g
  • Price$47
  • Updated2026-05-28
  • Buy
  • ManufacturerAK Scientific
  • Product numberJ98338
  • Product descriptionOctadecyl-trimethoxysilane,tech.
  • Packaging100g
  • Price$99
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberE683
  • Product descriptionOctadecyl-trimethoxysilane,tech.
  • Packaging100g
  • Price$133
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0000444
  • Product descriptionN-OCTADECYLTRIMETHOXYSILANE 95.00%
  • Packaging5G
  • Price$118.65
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberORS0000444
  • Product descriptionN-OCTADECYLTRIMETHOXYSILANE 95.00%
  • Packaging25ML
  • Price$1125.09
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR55171
  • Product descriptionTrimethoxy(octadecyl)silane 95%
  • Packaging25g
  • Price$28
  • Updated2021-12-16
  • Buy
  • ManufacturerApolloscientific
  • Product numberOR55171
  • Product descriptionTrimethoxy(octadecyl)silane 95%
  • Packaging100g
  • Price$90
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD42000635
  • Product descriptionTrimethoxy(octadecyl)silane 90%
  • Packaging500g
  • Price$294
  • Updated2021-12-16
  • Buy
  • ManufacturerCrysdot
  • Product numberCD42000635
  • Product descriptionTrimethoxy(octadecyl)silane 90%
  • Packaging500g
  • Price$294
  • Updated2026-05-27
  • Buy
  • ManufacturerMatrix Scientific
  • Product number206944
  • Product descriptionOctadecyltrimethoxysilane
  • Packaging100.00g
  • Price$216
  • Updated2026-05-18
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number376213
  • Product descriptionTrimethoxy(octadecyl)silane technical grade, 90%
  • Packaging25ml
  • Price$186
  • Updated2026-04-30
  • Buy
  • ManufacturerSigma-Aldrich
  • Product number376213
  • Product descriptionTrimethoxy(octadecyl)silane technical grade, 90%
  • Packaging5ml
  • Price$57.2
  • Updated2026-04-30
  • Buy
  • ManufacturerSynQuest Laboratories
  • Product number6183-1-33
  • Product descriptionn-Octodecyltrimethoxysilane 95%
  • Packaging100g
  • Price$100
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003V0B Trimethoxy(octadecyl)silane 97% 5g $6 2026-05-28 Buy
aablocks AA003V0B Trimethoxy(octadecyl)silane 97% 10g $10 2026-05-28 Buy
aablocks AA003V0B Trimethoxy(octadecyl)silane 90% 25g $16 2026-05-28 Buy
aablocks AA003V0B Trimethoxy(octadecyl)silane 90% 100g $47 2026-05-28 Buy
AK Scientific J98338 Octadecyl-trimethoxysilane,tech. 100g $99 2021-12-16 Buy
AK Scientific E683 Octadecyl-trimethoxysilane,tech. 100g $133 2021-12-16 Buy
American Custom Chemicals Corporation ORS0000444 N-OCTADECYLTRIMETHOXYSILANE 95.00% 5G $118.65 2021-12-16 Buy
American Custom Chemicals Corporation ORS0000444 N-OCTADECYLTRIMETHOXYSILANE 95.00% 25ML $1125.09 2021-12-16 Buy
Apolloscientific OR55171 Trimethoxy(octadecyl)silane 95% 25g $28 2021-12-16 Buy
Apolloscientific OR55171 Trimethoxy(octadecyl)silane 95% 100g $90 2021-12-16 Buy
Crysdot CD42000635 Trimethoxy(octadecyl)silane 90% 500g $294 2021-12-16 Buy
Crysdot CD42000635 Trimethoxy(octadecyl)silane 90% 500g $294 2026-05-27 Buy
Matrix Scientific 206944 Octadecyltrimethoxysilane 100.00g $216 2026-05-18 Buy
Sigma-Aldrich 376213 Trimethoxy(octadecyl)silane technical grade, 90% 25ml $186 2026-04-30 Buy
Sigma-Aldrich 376213 Trimethoxy(octadecyl)silane technical grade, 90% 5ml $57.2 2026-04-30 Buy
SynQuest Laboratories 6183-1-33 n-Octodecyltrimethoxysilane 95% 100g $100 2021-12-16 Buy
Next Last

Properties

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.)
Flash point :284 °F
storage temp. :Inert atmosphere,Room Temperature
solubility :Chloroform (Slightly)
form :liquid
Specific Gravity :0.883
color :Colourless
Water Solubility :190-437000ng/L at 20℃
Hydrolytic Sensitivity :7: reacts slowly with moisture/water
BRN :5791830
Stability :Stable. Incompatible with strong oxidizing agents. Moisture sensitive.
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 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.
P280 Wear protective gloves/protective clothing/eye protection/face protection.

Description

OTS is used for the development of self assembled monolayers(SAMs). OTS is also used to modify the silica dielectric surface in organic field effect transistors.

More related product prices

Vinyltrimethoxysilane Trimethoxysilane 4420-74-0 Trimethoxypropylsilane 13822-56-5 2530-87-2 112-04-9 7399-00-0 Dichloromethylvinylsilane Phenyltriethoxysilane 5507-44-8 N-(N-OCTADECYL)ACRYLAMIDE Aliquat 7 DODECAMETHYLPENTASILOXANE 124-28-7 122-19-0 Tetraethyl orthosilicate 1120-02-1 71808-65-6

Related product price

Suppliers and manufacturers

Hubei Changfu Chemical Co., Ltd.
n-Octadecyltrimethoxysilane
n-Octadecyltrimethoxysilane CAS:3069-42-9
Shaanxi Dideu Medichem Co. Ltd
Octadecyltrimethoxysilane
Octadecyltrimethoxysilane CAS:3069-42-9
Hebei Chuanghai Biotechnology Co,.LTD
Octadecyltrimethoxysilane
$2.00
Octadecyltrimethoxysilane CAS:3069-42-9
Hebei Chuanghai Biotechnology Co., Ltd
Octadecyltrimethoxysilane
$10.00
Octadecyltrimethoxysilane CAS:3069-42-9
Henan Fengda Chemical Co., Ltd
n-Octadecyltrimethoxysilane
n-Octadecyltrimethoxysilane CAS:3069-42-9
Shandong Deshang Chemical Co., Ltd.
Octadecyltrimethoxysilane
$7.00
Octadecyltrimethoxysilane CAS:3069-42-9
Hebei Zhuanglai Chemical Trading Co Ltd
Octadecyltrimethoxysilane
$45.00
Octadecyltrimethoxysilane CAS:3069-42-9
Shanghai Daken Advanced Materials Co.,Ltd
n-OCTADECYLTRIMETHOXYSILANE
n-OCTADECYLTRIMETHOXYSILANE CAS:3069-42-9
Henan Tianfu Chemical Co.,Ltd.
Hangzhou FandaChem Co.,Ltd.