CompoundList
Sign in
Silanes and silicones

Phenyltrichlorosilane

Also known as Trichloro(phenyl)silane, Silane, trichlorophenyl-, Phenyl trichlorosilane

CAS 98-13-5Formula C6H5Cl3SiMolar mass 211.55 g/molEC 202-640-8
GHS signal word: Danger. Pictograms: Corrosive, Acute toxicity (severe), Harmful or irritant 18 suppliers listed
Get quotes Compare 18 suppliers
Phenyltrichlorosilane chemical structure, C6H5Cl3Si, CAS 98-13-5
2D chemical structure

Key facts

What buyers check first

All properties
Appearance
Colorless liquid
Boiling point
201 °C
Density
1.321 g/cm³ at 20 °C
Flash point
91 °C
Solubility
Soluble in carbon tetrachloride, chloroform, carbon disulfide
HS code
293190
Category
Silanes and silicones
UN number
UN 1804
Illustrative photo, clear liquid in a volumetric flask on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Phenyltrichlorosilane?

Plain description, key identifiers and synonyms

Phenyltrichlorosilane appears as a colorless liquid with a pungent odor. Decomposed by moisture or water to hydrochloric acid with evolution of heat. Corrosive to metals and tissue.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trichloro(phenyl)silane
CAS number
98-13-5 CAS number cross-checkedOther or deprecated CAS: 41087-22-3
EC number
202-640-8
Molecular formula
C6H5Cl3Si
UNII
M7199JL06M
MDL number
MFCD00000479
InChIKey
ORVMIVQULIKXCP-UHFFFAOYSA-N
InChI
InChI=1S/C6H5Cl3Si/c7-10(8,9)6-4-2-1-3-5-6/h1-5H
SMILES (canonical and isomeric)
C1=CC=C(C=C1)[Si](Cl)(Cl)Cl

Synonyms

  • Trichloro(phenyl)silane
  • Silane, trichlorophenyl-
  • Phenyl trichlorosilane
  • Silicon phenyl trichloride
  • Phenylsilicon trichloride
  • Silane, phenyltrichloro-
  • (Trichlorosilyl)benzene
  • 4-16-00-01560 (Beilstein Handbook Reference)
  • phenyltrichlorosilicane
  • phenyltrichlorsilan
  • phenyltrichlorosilan
  • Triclorofenilosilano
  • phenylsilyl trichloride
  • TSL 8063
  • KA 103
  • Trichlorophenylsilane
  • Benzene, (trichlorosilyl)-
  • C6H5Cl3Si
  • UN 1804
  • Phenyltrichlorosilane [UN1804] [Corrosive]
  • Trichlorophenylsilane, Phenyl chloride silicide

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 liquidexp.
Boiling point
201 °Cexp.
Density
1.321 g/cm³ at 20 °Cexp.
Flash point
91 °Cexp.
Autoignition temperature
>400exp.
Solubility
Soluble in carbon tetrachloride, chloroform, carbon disulfideexp.
Vapour pressure
0.426 mm Hg at 25 °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
211.55 g/molcalc.
Exact mass
209.9226 Dacalc.
LogP (octanol/water)
2.55calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
10calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
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 Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS05: Corrosive
Corrosive
GHS06: Acute toxicity (severe)
Acute toxicity (severe)
GHS07: Harmful or irritant
Harmful or irritant
232NFPA 704 rating

Hazard statements

  • H312Harmful in contact with skin.
  • H314Causes severe skin burns and eye damage.
  • H318Causes serious eye damage.
  • H330Fatal if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (22)
  • P260Do not breathe dust, fume, gas, mist, vapours or spray.
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P284In case of inadequate ventilation wear respiratory 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.
  • 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.
  • P319Get medical help if you feel unwell.
  • P320Specific treatment is urgent (see supplemental first aid instructions on the label).
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P362 + P364Take off contaminated clothing. And wash it before reuse.
  • P363Wash contaminated clothing before reuse.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • P405Store locked up.
  • P501Dispose of contents and container in accordance with local regulations.
UN number
UN 1804
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

Phenyltrichlorosilane suppliers

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

All 18 suppliers
18 of 18 offers

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

18 suppliers in 3 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

Phenyltrichlorosilane 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

Used to make silicones for water repellents, insulating resins, heat resistant paints ...

Intermediate for silicones, laboratory reagent.

Industrial uses: Intermediate, Monomers.

Functional uses

  • Adhesion/cohesion promoter
  • Chemical reaction regulator
  • Wetting agent (non-aqueous)

How it is made

By Grignard reaction of silicon tetrachloride and phenylmagnesium chloride, reaction of benzene with trichlorosilane.

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 Phenyltrichlorosilane 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 Phenyltrichlorosilane is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Phenyltrichlorosilane?

Phenyltrichlorosilane appears as a colorless liquid with a pungent odor. Decomposed by moisture or water to hydrochloric acid with evolution of heat. Corrosive to metals and tissue.

What is the CAS number of Phenyltrichlorosilane?

The CAS registry number of Phenyltrichlorosilane is 98-13-5. Other or deprecated CAS numbers: 41087-22-3.

What is the molecular formula and weight of Phenyltrichlorosilane?

The molecular formula of Phenyltrichlorosilane is C6H5Cl3Si and its molar mass is 211.55 g/mol.

What is Phenyltrichlorosilane used for?

Used to make silicones for water repellents, insulating resins, heat resistant paints ... Intermediate for silicones, laboratory reagent. Industrial uses: Intermediate, Monomers.

Is Phenyltrichlorosilane hazardous?

Phenyltrichlorosilane carries the GHS signal word "Danger". Main hazards: harmful in contact with skin, 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 Phenyltrichlorosilane?

Phenyltrichlorosilane 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 Phenyltrichlorosilane?

CompoundList lists 18 suppliers of Phenyltrichlorosilane in China, United States and Netherlands. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Phenyltrichlorosilane?

Suppliers quote Phenyltrichlorosilane 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 Phenyltrichlorosilane

Get quotes for Phenyltrichlorosilane

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Phenyltrichlorosilane
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 Phenyltrichlorosilane 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/phenyltrichlorosilane-98-13-5" title="Phenyltrichlorosilane 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

18 suppliers
Free quotes, contact stays private
Get quotes