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Olefins and dienes

Vinylcyclohexene

Also known as 1-Vinyl-3-cyclohexene, 4-Vinyl cyclohexene, 4-Vinylcyclohexene-1

CAS 100-40-3Formula C8H12Molar mass 108.18 g/molEC 220-070-8
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Vinylcyclohexene chemical structure, C8H12, CAS 100-40-3
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Melting point
-101.1 °C
Boiling point
145 °C
Density
0.8623 @ 15 °C/4 °C
Flash point
15.6 °C
HS code
290219
Category
Olefins and dienes
UN number
UN 1993
Illustrative photo, closed amber glass reagent bottles on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Vinylcyclohexene?

Plain description, key identifiers and synonyms

Vinylcyclohexene is a colorless liquid. Floats on water. (USCG, 1999)

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
1-ethenylcyclohexene
CAS number
100-40-3Other or deprecated CAS: 25168-07-4, 2622-21-1
EC number
220-070-8
Molecular formula
C8H12
MDL number
MFCD00015781
InChIKey
SDRZFSPCVYEJTP-UHFFFAOYSA-N
InChI
InChI=1S/C8H12/c1-2-8-6-4-3-5-7-8/h2,6H,1,3-5,7H2
SMILES (canonical and isomeric)
C=CC1=CCCCC1

Synonyms

  • 1-Vinyl-3-cyclohexene
  • 4-Vinyl cyclohexene
  • 4-Vinylcyclohexene-1
  • Cyclohexene, 4-ethenyl-
  • 1-Vinylcyclohexene
  • 1-Ethenylcyclohexene
  • Cyclohexene, 1-ethenyl-
  • 1-Vinyl-1-cyclohexene
  • Cyclohexene, ethenyl-
  • Cyclohexene, 1-vinyl-
  • 1-vinyl-cyclohexene
  • 2-Vinylcyclohexene
  • 1-ethenylcyclohex-1-ene
  • vinyl cyclohexene
  • 1-vinylcyclohex-1-ene

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.
Melting point
-101.1 °Cexp.
Boiling point
145 °Cexp.
Density
0.8623 @ 15 °C/4 °Cexp.
Flash point
15.6 °Cexp.
Autoignition temperature
269.4 °Cexp.
Solubility
INSOL IN WATER, SOL IN ETHER & BENZENE, VERY SOLUBLE IN METHYL ALCOHOLexp.
Vapour pressure
15 mmHg at 77 °F, 25.8 mmHg at 100 °F (NTP, 1992)exp.

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
108.18 g/molcalc.
Exact mass
108.0939 Dacalc.
LogP (octanol/water)
2.67calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
1calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
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, C1=CCCCC1

C1=CCCCC1

1 ring, 6 atoms, the Cyclohexene ring system.

5,167 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS classification
Hazard pictograms
UN number
UN 1993

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

Vinylcyclohexene suppliers

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

All 10 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

10 suppliers in 2 countries

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Vinylcyclohexene 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

Research chemical, chemical intermediate (possible use).

Industrial uses: Adhesion/cohesion promoter, Intermediate, Fuel, Fuel agents.

Consumer uses: Intermediate, Adhesion/cohesion promoter, Fuel agents, Solvent.

How it is made

Possibly by partial hydrogenation of styrene, may be a byproduct in the manufacture of c4 olefins & their dimers

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU Cosmetics Regulation Annex II, prohibited in cosmetics
    Name: 4-Vinylcyclohexene, Ref no: 1569, Annex ref: II/1569

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 Vinylcyclohexene is traded under.

HS 2902.19Indicative HS code

Cyclanes, cyclenes and cycloterpenes, other

World exports in 2024
$979M
+24.3% vs 2023, imports $1B
2019 to 2024
Top exporters
  1. China23.4%
  2. United States20.6%
  3. Germany13.6%
Top importers
  1. India * partner reported9.9%
  2. United States9.8%
  3. South Korea9.5%

* Partner reported figures, a lower bound.

Reported customs values in USD, not prices.Full trade data

The HS code shown for Vinylcyclohexene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

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

What is Vinylcyclohexene?

Vinylcyclohexene is a colorless liquid. Floats on water. (USCG, 1999)

What is the CAS number of Vinylcyclohexene?

The CAS registry number of Vinylcyclohexene is 100-40-3. Other or deprecated CAS numbers: 25168-07-4, 2622-21-1.

What is the molecular formula and weight of Vinylcyclohexene?

The molecular formula of Vinylcyclohexene is C8H12 and its molar mass is 108.18 g/mol.

What is Vinylcyclohexene used for?

Research chemical, chemical intermediate (possible use). Industrial uses: Adhesion/cohesion promoter, Intermediate, Fuel, Fuel agents. Consumer uses: Intermediate, Adhesion/cohesion promoter, Fuel agents, Solvent.

Is Vinylcyclohexene hazardous?

No GHS hazard classification for Vinylcyclohexene is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Vinylcyclohexene?

Vinylcyclohexene is usually classified under HS code 290219 (Cyclanes, cyclenes and cycloterpenes, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Vinylcyclohexene?

CompoundList lists 10 suppliers of Vinylcyclohexene in United States and 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 Vinylcyclohexene?

Suppliers quote Vinylcyclohexene 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 Vinylcyclohexene

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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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