CompoundList
Sign in
Silanes and silicones

Trichlorohexadecylsilane

Also known as Hexadecyltrichlorosilane, Silane, trichlorohexadecyl-, Hexadecyl trichlorosilane

CAS 5894-60-0Formula C16H33Cl3SiMolar mass 359.89 g/molEC 227-575-2
GHS signal word: Danger. Pictograms: Corrosive, Harmful or irritant 2 suppliers listed
Get quotes Compare 2 suppliers
Trichlorohexadecylsilane chemical structure, C16H33Cl3Si, CAS 5894-60-0
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless to yellow liquid
Boiling point
269 °C
Density
0.996 at 25 °C/25 °C
Flash point
146 °C
HS code
293190
Category
Silanes and silicones
UN number
UN 1781
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Trichlorohexadecylsilane?

Plain description, key identifiers and synonyms

Hexadecyltrichlorosilane is a colorless to yellow liquid with a pungent odor. Material will burn though it may require some effort to ignite. It is decomposed by moisture or water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trichloro(hexadecyl)silane
CAS number
5894-60-0 CAS number cross-checked
EC number
227-575-2
Molecular formula
C16H33Cl3Si
UNII
VFL27Y3GTE
MDL number
MFCD00040111
InChIKey
RYPYGDUZKOPBEL-UHFFFAOYSA-N
InChI
InChI=1S/C16H33Cl3Si/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-20(17,18)19/h2-16H2,1H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCC[Si](Cl)(Cl)Cl

Synonyms

  • Hexadecyltrichlorosilane
  • Silane, trichlorohexadecyl-
  • Hexadecyl trichlorosilane
  • Silane, hexadecyltrichloro-
  • Hexadecyltrichlorosilane(DOT)
  • Trichloro(hexadecyl)silane
  • n-Hexadecyltrichlorosilane
  • zole benzenesu
  • cetyltrichlorosilane
  • C16H33Cl3Si
  • Dynasylan 9016
  • Trichloro(hexadecyl)silane, 98%
  • Hexadecyltrichlorosilane [UN1781] [Corrosive]

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

Appearance
Colorless to yellow liquidexp.
Boiling point
269 °Cexp.
Density
0.996 at 25 °C/25 °Cexp.
Flash point
146 °Cexp.

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
359.89 g/molcalc.
Exact mass
358.1417 Dacalc.
LogP (octanol/water)
8.12calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
15calc.
Heavy atoms
20calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS07: Harmful or irritant
Harmful or irritant
131NFPA 704 rating

Hazard statements

  • H302Harmful if swallowed.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
Precautionary statements (17)
  • 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.
  • P270Do not eat, drink or smoke when using this product.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P301 + P330 + P331If swallowed: Rinse mouth. Do not induce vomiting.
  • P302 + P361 + P354If on skin: Take off immediately all contaminated clothing. Immediately rinse with water for several minutes.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • 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.
  • P317Get medical help.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • P363Wash contaminated clothing before reuse.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1781
Transport hazard class
8
Packing group
II

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

Trichlorohexadecylsilane suppliers

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

All 2 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

2 suppliers in 2 countries

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

Trichlorohexadecylsilane 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

Intermediate for silicones.

How it is made

By Grignard reaction of silicon tetrachloride and hexadecylmagnesium chloride.

Regulatory status

Inventories, regulations and trade controls that list this substance

United States

  • TSCA inventory (USA)
    Status: Active in US commerce

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Trichlorohexadecylsilane 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 Trichlorohexadecylsilane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Trichlorohexadecylsilane?

Hexadecyltrichlorosilane is a colorless to yellow liquid with a pungent odor. Material will burn though it may require some effort to ignite. It is decomposed by moisture or water to hydrochloric acid with evolution of heat. It is corrosive to metals and tissue.

What is the CAS number of Trichlorohexadecylsilane?

The CAS registry number of Trichlorohexadecylsilane is 5894-60-0.

What is the molecular formula and weight of Trichlorohexadecylsilane?

The molecular formula of Trichlorohexadecylsilane is C16H33Cl3Si and its molar mass is 359.89 g/mol.

What is Trichlorohexadecylsilane used for?

Intermediate for silicones.

Is Trichlorohexadecylsilane hazardous?

Trichlorohexadecylsilane carries the GHS signal word "Danger". Main hazards: harmful if swallowed, causes severe skin burns and eye damage, causes serious eye damage. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Trichlorohexadecylsilane?

Trichlorohexadecylsilane 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 Trichlorohexadecylsilane?

CompoundList lists 2 suppliers of Trichlorohexadecylsilane in China and Japan. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Trichlorohexadecylsilane?

Suppliers quote Trichlorohexadecylsilane 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 Trichlorohexadecylsilane

Get quotes for Trichlorohexadecylsilane

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Trichlorohexadecylsilane
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 Trichlorohexadecylsilane 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/trichlorohexadecylsilane-5894-60-0" title="Trichlorohexadecylsilane 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

2 suppliers
Free quotes, contact stays private
Get quotes