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Silanes and silicones

Allyltrimethylsilane

Also known as Silane, trimethyl-2-propenyl-, Silane, trimethyl-2-propen-1-yl-, Trimethylallylsilane

CAS 762-72-1Formula C6H14SiMolar mass 114.26 g/molEC 212-104-5
GHS signal word: Danger. Pictograms: Flammable, Harmful or irritant 20 suppliers listed
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Allyltrimethylsilane chemical structure, C6H14Si, CAS 762-72-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
762-72-1
Formula
C6H14Si
Molar mass
114.26 g/mol
Physical form
Liquid
HS code
293190
Category
Silanes and silicones
Illustrative photo, 200 litre blue HDPE drums of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Allyltrimethylsilane?

Plain description, key identifiers and synonyms

Allyltrimethylsilane is a chemical substance with the molecular formula C6H14Si and a molar mass of 114.26 g/mol. Its CAS registry number is 762-72-1. The IUPAC name is trimethyl(prop-2-enyl)silane.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
trimethyl(prop-2-enyl)silane
CAS number
762-72-1 CAS number cross-checkedOther or deprecated CAS: 88266-74-4
EC number
212-104-5
Molecular formula
C6H14Si
UNII
8B84C337VF
MDL number
MFCD00008635
InChIKey
HYWCXWRMUZYRPH-UHFFFAOYSA-N
InChI
InChI=1S/C6H14Si/c1-5-6-7(2,3)4/h5H,1,6H2,2-4H3
SMILES (canonical and isomeric)
C[Si](C)(C)CC=C

Synonyms

  • Silane, trimethyl-2-propenyl-
  • Silane, trimethyl-2-propen-1-yl-
  • Trimethylallylsilane
  • 3-(Trimethylsilyl)propene
  • allyl(trimethyl)silane
  • trimethyl(prop-2-enyl)silane
  • Silane, allyltrimethyl-
  • trimethyl(prop-2-en-1-yl)silane
  • Allyl trimethylsilane
  • 3-(Trimethylsilyl)-1-propene
  • allyl-trimethyl-silane
  • allyltms
  • Allytrimethylsilane
  • Trimethyl(2-propenyl)silane
  • allyltrimethyl silane
  • Allyl-trimethylsilane
  • allyl trimethyl silane
  • CH2=CHCH2SiMe3
  • trimethyl-2-propenylsilane
  • Allyltrimethylsilane, 98%
  • 3-Trimethylsilyl-1-propene
  • Trimethyl-2-propen-1-ylsilane

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
114.26 g/molcalc.
Exact mass
114.0865 Dacalc.
LogP (octanol/water)
2.51calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
2calc.
Heavy atoms
7calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.67calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)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
GHS02: Flammable
Flammable
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
  • H335May cause respiratory irritation.
Precautionary statements (25)
  • 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.
  • 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.
  • 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.
  • P319Get medical help if you feel unwell.
  • 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.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • 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

Allyltrimethylsilane suppliers

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

All 20 suppliers
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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

20 suppliers in 7 countries

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Allyltrimethylsilane price

Indicative price range per kg from live supplier offers

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

Frequently asked questions

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

What is Allyltrimethylsilane?

Allyltrimethylsilane is a chemical substance with the molecular formula C6H14Si and a molar mass of 114.26 g/mol. Its CAS registry number is 762-72-1. The IUPAC name is trimethyl(prop-2-enyl)silane.

What is the CAS number of Allyltrimethylsilane?

The CAS registry number of Allyltrimethylsilane is 762-72-1. Other or deprecated CAS numbers: 88266-74-4.

What is the molecular formula and weight of Allyltrimethylsilane?

The molecular formula of Allyltrimethylsilane is C6H14Si and its molar mass is 114.26 g/mol.

Is Allyltrimethylsilane hazardous?

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

What is the HS code of Allyltrimethylsilane?

Allyltrimethylsilane 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 Allyltrimethylsilane?

CompoundList lists 20 suppliers of Allyltrimethylsilane in China, United States, India, Japan and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

Where can I buy Allyltrimethylsilane in India?

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

What is the price of Allyltrimethylsilane?

Suppliers quote Allyltrimethylsilane 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 Allyltrimethylsilane

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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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