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Oxidizing and reducing agents

Phenylsilane

Also known as Benzene, silyl-, Silylbenzene, phenysilane

CAS 694-53-1Formula C6H8SiMolar mass 108.22 g/molEC 211-772-5
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 8 suppliers listed
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Phenylsilane chemical structure, C6H8Si, CAS 694-53-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
694-53-1
Formula
C6H8Si
Molar mass
108.22 g/mol
Physical form
Liquid
HS code
293190
Category
Oxidizing and reducing agents
Illustrative photo, 200 litre steel drums of liquid in a chemical plant
Typical packagingIllustrative packaging image, not the actual product

What is Phenylsilane?

Plain description, key identifiers and synonyms

Phenylsilane is a chemical substance with the molecular formula C6H8Si and a molar mass of 108.22 g/mol. Its CAS registry number is 694-53-1.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
phenylsilane
CAS number
694-53-1 CAS number cross-checkedOther or deprecated CAS: 80731-82-4
EC number
211-772-5
Molecular formula
C6H8Si
InChIKey
PARWUHTVGZSQPD-UHFFFAOYSA-N
InChI
InChI=1S/C6H8Si/c7-6-4-2-1-3-5-6/h1-5H,7H3
SMILES (canonical and isomeric)
C1=CC=C(C=C1)[SiH3]

Synonyms

  • Benzene, silyl-
  • Silylbenzene
  • phenysilane
  • C6H8Si
  • phenyl silane
  • Silyl-benzene, Monophenylsilane, NSC 179699, SIP 6750.0, Silylbenzene, Z 6047
  • PhSiH3

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

Physical form
Liquidexp.

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
108.22 g/molcalc.
Exact mass
108.0395 Dacalc.
LogP (octanol/water)
-0.32calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
7calc.
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
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H261In contact with water releases flammable gas.
  • H302Harmful if swallowed.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H332Harmful if inhaled.
  • H335May cause respiratory irritation.
Precautionary statements (31)
  • P210Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
  • P231 + P232Handle and store contents under inert gas. Protect from moisture.
  • 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.
  • P261Avoid breathing 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.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P317If swallowed: Get medical help.
  • P302 + P352If on skin: Wash with plenty of water.
  • 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.
  • P317Get medical help.
  • P319Get medical help if you feel unwell.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P330Rinse mouth.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P402 + P404Store in a dry place. Store in a closed container.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

Phenylsilane suppliers

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

All 8 suppliers
8 of 8 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

8 suppliers in 2 countries

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Phenylsilane 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.

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Uses and applications

What the substance is used for, by industry and function

Roles

  • reducing agent

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

Frequently asked questions

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

What is Phenylsilane?

Phenylsilane is a chemical substance with the molecular formula C6H8Si and a molar mass of 108.22 g/mol. Its CAS registry number is 694-53-1.

What is the CAS number of Phenylsilane?

The CAS registry number of Phenylsilane is 694-53-1. Other or deprecated CAS numbers: 80731-82-4.

What is the molecular formula and weight of Phenylsilane?

The molecular formula of Phenylsilane is C6H8Si and its molar mass is 108.22 g/mol.

What is Phenylsilane used for?

Known uses and roles of Phenylsilane include reducing agent.

Is Phenylsilane hazardous?

Phenylsilane carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, in contact with water releases flammable gas, harmful if swallowed. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Phenylsilane?

Phenylsilane 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 Phenylsilane?

CompoundList lists 8 suppliers of Phenylsilane in China and India. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Phenylsilane in India?

1 supplier in India list Phenylsilane on CompoundList. Filter the suppliers list by country and send a request to compare prices, grades and delivery times.

What is the price of Phenylsilane?

Suppliers quote Phenylsilane 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 Phenylsilane

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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