CompoundList
Sign in
Silanes and silicones

Cyclohexyltrimethoxysilane

Also known as cyclohexyl(trimethoxy)silane, Cyclohexane, (trimethoxysilyl)-, C9H20O3Si

CAS 17865-54-2Formula C9H20O3SiMolar mass 204.34 g/molEC 605-828-1
GHS signal word: Danger. Pictograms: Flammable, Corrosive, Harmful or irritant 3 suppliers listed
Get quotes Compare 3 suppliers
Cyclohexyltrimethoxysilane chemical structure, C9H20O3Si, CAS 17865-54-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17865-54-2
Formula
C9H20O3Si
Molar mass
204.34 g/mol
EC number
605-828-1
HS code
293190
Category
Silanes and silicones

What is Cyclohexyltrimethoxysilane?

Plain description, key identifiers and synonyms

Cyclohexyltrimethoxysilane is a chemical substance with the molecular formula C9H20O3Si and a molar mass of 204.34 g/mol. Its CAS registry number is 17865-54-2. The IUPAC name is cyclohexyl(trimethoxy)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cyclohexyl(trimethoxy)silane
CAS number
17865-54-2 CAS number cross-checked
EC number
605-828-1
Molecular formula
C9H20O3Si
MDL number
MFCD01074466
InChIKey
MEWFSXFFGFDHGV-UHFFFAOYSA-N
InChI
InChI=1S/C9H20O3Si/c1-10-13(11-2,12-3)9-7-5-4-6-8-9/h9H,4-8H2,1-3H3
SMILES (canonical and isomeric)
CO[Si](C1CCCCC1)(OC)OC

Synonyms

  • cyclohexyl(trimethoxy)silane
  • Cyclohexane, (trimethoxysilyl)-
  • C9H20O3Si
  • cyclohexyl trimethoxysilane
  • Silane, cyclohexyltrimethoxy-
  • Cyclohexyltri(methoxy)silane

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
204.34 g/molcalc.
Exact mass
204.1182 Dacalc.
LogP (octanol/water)
2.2calc.
Topological polar surface area
27.69 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
3calc.
Rotatable bonds
4calc.
Heavy atoms
13calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, C1CCCCC1

C1CCCCC1

1 ring, 6 atoms, the Cyclohexane ring system.

24,737 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H226Flammable liquid and vapour.
  • H314Causes severe skin burns and eye damage.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H412Harmful to aquatic life with long lasting effects.
Precautionary statements (28)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P233Keep container tightly closed.
  • P240Ground and bond container and receiving equipment.
  • P241Use explosion-proof electrical, ventilating and lighting equipment.
  • P242Use non-sparking tools.
  • P243Take action to prevent static discharges.
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P352If on skin: Wash with plenty of water.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P316Get emergency medical help immediately.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Full safety data and first aid

Cyclohexyltrimethoxysilane suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

All 3 suppliers

Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

3 suppliers in 1 country

Send one request to many suppliers

Choose up to 10 suppliers or let us match your request. Compare quotes side by side, free.

Choose suppliersPost a request

Cyclohexyltrimethoxysilane price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

Get latest price

Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Cyclohexyltrimethoxysilane is traded under.

HS 2931.90Indicative HS code

Organo-inorganic compounds, other than tetramethyl lead, tetraethyl lead, tributyltin compounds…

World exports in 2024
$3.97B
+5.3% vs 2023, imports $3.93B
2019 to 2024
Top exporters
  1. China28.3%
  2. United States15.6%
  3. Germany15.1%
Top importers
  1. United States14.6%
  2. China13.0%
  3. South Korea8.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Cyclohexyltrimethoxysilane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Cyclohexyltrimethoxysilane, based on the data on this page

What is Cyclohexyltrimethoxysilane?

Cyclohexyltrimethoxysilane is a chemical substance with the molecular formula C9H20O3Si and a molar mass of 204.34 g/mol. Its CAS registry number is 17865-54-2. The IUPAC name is cyclohexyl(trimethoxy)silane.

What is the CAS number of Cyclohexyltrimethoxysilane?

The CAS registry number of Cyclohexyltrimethoxysilane is 17865-54-2.

What is the molecular formula and weight of Cyclohexyltrimethoxysilane?

The molecular formula of Cyclohexyltrimethoxysilane is C9H20O3Si and its molar mass is 204.34 g/mol.

What is Cyclohexyltrimethoxysilane used for?

Known uses and roles of Cyclohexyltrimethoxysilane include waterproofing agents in construction chemicals.

Is Cyclohexyltrimethoxysilane hazardous?

Cyclohexyltrimethoxysilane carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, causes severe skin burns and eye damage, causes skin irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyclohexyltrimethoxysilane?

Cyclohexyltrimethoxysilane is usually classified under HS code 293190 (X. ORGANO-INORGANIC COMPOUNDS, HETEROCYCLIC COMPOUNDS, NUCLEIC ACIDS AND THEIR SALTS…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Cyclohexyltrimethoxysilane?

CompoundList lists 3 suppliers of Cyclohexyltrimethoxysilane in China. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cyclohexyltrimethoxysilane?

Suppliers quote Cyclohexyltrimethoxysilane on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Cyclohexyltrimethoxysilane

Get quotes for Cyclohexyltrimethoxysilane

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Cyclohexyltrimethoxysilane
Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
Embed this structure on your websiteShow code

Paste this code into your page to show the 2D structure of Cyclohexyltrimethoxysilane with a 3D view, its CAS number where known and a link back to this page. Free to use with the link kept.

<iframe src="https://www.compoundlist.com/embed/structure/cyclohexyltrimethoxysilane-17865-54-2" title="Cyclohexyltrimethoxysilane structure on CompoundList" width="360" height="420" style="border:1px solid #E7E2DA;border-radius:12px;max-width:100%" loading="lazy" referrerpolicy="strict-origin-when-cross-origin"></iframe>
Preview the embed

Explore more in Silanes and silicones or HS code 293190

3 suppliers
Free quotes, contact stays private
Get quotes