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Silanes and silicones

Dimethylphenylsilane

Also known as Benzene, (dimethylsilyl)-, dimethyl(phenyl)silane, Dimethyl-phenyl-silane

CAS 766-77-8Formula C8H12SiMolar mass 136.27 g/molEC 212-170-5
GHS signal word: Danger. Pictograms: Flammable, Corrosive 3 suppliers listed
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Dimethylphenylsilane chemical structure, C8H12Si, CAS 766-77-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
766-77-8
Formula
C8H12Si
Molar mass
136.27 g/mol
Physical form
Liquid
HS code
293190
Category
Silanes and silicones
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Dimethylphenylsilane?

Plain description, key identifiers and synonyms

Dimethylphenylsilane is a chemical substance with the molecular formula C8H12Si and a molar mass of 136.27 g/mol. Its CAS registry number is 766-77-8. The IUPAC name is dimethyl(phenyl)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
dimethyl(phenyl)silane
CAS number
766-77-8 CAS number cross-checked
EC number
212-170-5
Molecular formula
C8H12Si
InChIKey
ZISUALSZTAEPJH-UHFFFAOYSA-N
InChI
InChI=1S/C8H12Si/c1-9(2)8-6-4-3-5-7-8/h3-7,9H,1-2H3
SMILES (canonical and isomeric)
C[SiH](C)C1=CC=CC=C1

Synonyms

  • Benzene, (dimethylsilyl)-
  • dimethyl(phenyl)silane
  • Dimethyl-phenyl-silane
  • HSiMe2Ph
  • phenyldimethyl 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

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
136.27 g/molcalc.
Exact mass
136.0708 Dacalc.
LogP (octanol/water)
1.38calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
9calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0.25calc.
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
GHS05: Corrosive
Corrosive

Hazard statements

  • H226Flammable liquid and vapour.
  • H318Causes serious eye damage.
Precautionary statements (14)
  • 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.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P305 + P354 + P338If in eyes: Immediately rinse with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P317Get medical help.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P403 + P235Store in a well-ventilated place. Keep cool.
  • 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

Dimethylphenylsilane suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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Dimethylphenylsilane price

Indicative price range per kg from live supplier offers

No published prices right now

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Uses and applications

What the substance is used for, by industry and function

Applications are not documented for this substance yet. Suppliers often describe uses on their product pages, linked in the suppliers list above.

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

Frequently asked questions

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

What is Dimethylphenylsilane?

Dimethylphenylsilane is a chemical substance with the molecular formula C8H12Si and a molar mass of 136.27 g/mol. Its CAS registry number is 766-77-8. The IUPAC name is dimethyl(phenyl)silane.

What is the CAS number of Dimethylphenylsilane?

The CAS registry number of Dimethylphenylsilane is 766-77-8.

What is the molecular formula and weight of Dimethylphenylsilane?

The molecular formula of Dimethylphenylsilane is C8H12Si and its molar mass is 136.27 g/mol.

Is Dimethylphenylsilane hazardous?

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

What is the HS code of Dimethylphenylsilane?

Dimethylphenylsilane 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 Dimethylphenylsilane?

CompoundList lists 3 suppliers of Dimethylphenylsilane 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 Dimethylphenylsilane?

Suppliers quote Dimethylphenylsilane 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 Dimethylphenylsilane

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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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