CompoundList
Sign in
Hydrocarbons

Cyclooctene

Also known as cis-Cyclooctene, (Z)-Cyclooctene, cyclooctene, (1Z)-

CAS 931-88-4Formula C8H14Molar mass 110.20 g/molEC 213-243-4
GHS signal word: Danger. Pictograms: Flammable, Serious health hazard, Hazardous to the environment 1 supplier listed
Get quotes See the supplier
Cyclooctene chemical structure, C8H14, CAS 931-88-4
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Boiling point
142 °C
Density
0.8472 @ 20 °C
HS code
290219
Category
Hydrocarbons
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Cyclooctene?

Plain description, key identifiers and synonyms

Cyclooctene is a cycloalkene with an eight-membered ring. It has a role as an Aspergillus metabolite and a Penicillium metabolite.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
cyclooctene
CAS number
931-88-4 CAS number cross-checkedOther or deprecated CAS: 25267-51-0, 931-87-3
EC numbers
213-243-4, 213-245-5, 802-096-7
Molecular formula
C8H14
UNII
AE340T3540
MDL number
MFCD00001753
InChIKey
URYYVOIYTNXXBN-UPHRSURJSA-N
InChI
InChI=1S/C8H14/c1-2-4-6-8-7-5-3-1/h1-2H,3-8H2/b2-1-
Canonical SMILES
C1=CCCCCCC1
Isomeric SMILES
C1CCC/C=C\CC1

Synonyms

  • cis-Cyclooctene
  • (Z)-Cyclooctene
  • cyclooctene, (1Z)-
  • (1Z)-cyclooctene
  • Cyclooctene, (Z)-
  • cyclooct-1-ene
  • 1-Cyclooctene #
  • (7Z)-cyclooctene
  • Cyclooctene, analytical standard
  • Cyclooctene 100 microg/mL in Acetonitrile
  • cis-Cyclooctene, 95%, stab. with IRGANOX 1076
  • cis-Cyclooctene, contains 100-200 ppm Irganox 1076 FD as antioxidant, 95%

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.
Boiling point
142 °Cexp.
Density
0.8472 @ 20 °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
110.20 g/molcalc.
Exact mass
110.1096 Dacalc.
LogP (octanol/water)
2.9calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
8calc.
Rings
1calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.75calc.
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=CCCCCCC1

C1=CCCCCCC1

1 ring, 8 atoms.

348 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Danger
GHS02: Flammable
Flammable
GHS08: Serious health hazard
Serious health hazard
GHS09: Hazardous to the environment
Hazardous to the environment

Hazard statements

  • H226Flammable liquid and vapour.
  • H304May be fatal if swallowed and enters airways.
  • H400Very toxic to aquatic life.
  • H410Very toxic to aquatic life with long lasting effects.
Precautionary statements (16)
  • 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.
  • P273Avoid release to the environment.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P303 + P361 + P353If on skin (or hair): Take off immediately all contaminated clothing. Rinse skin with water or shower.
  • P331Do not induce vomiting.
  • P370 + P378In case of fire: Use appropriate media to extinguish.
  • P391Collect spillage.
  • 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

Cyclooctene suppliers

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

See the supplier

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

1 supplier in 1 country

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

Cyclooctene 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

Industrial uses: Intermediates.

Roles

  • Aspergillus metabolite
  • Penicillium metabolite
  • eukaryotic metabolite
  • fungal metabolite
  • metabolite
  • plant metabolite

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

Frequently asked questions

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

What is Cyclooctene?

Cyclooctene is a cycloalkene with an eight-membered ring. It has a role as an Aspergillus metabolite and a Penicillium metabolite.

What is the CAS number of Cyclooctene?

The CAS registry number of Cyclooctene is 931-88-4. Other or deprecated CAS numbers: 25267-51-0, 931-87-3.

What is the molecular formula and weight of Cyclooctene?

The molecular formula of Cyclooctene is C8H14 and its molar mass is 110.20 g/mol.

What is Cyclooctene used for?

Industrial uses: Intermediates.

Is Cyclooctene hazardous?

Cyclooctene carries the GHS signal word "Danger". Main hazards: flammable liquid and vapour, may be fatal if swallowed and enters airways, very toxic to aquatic life. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Cyclooctene?

Cyclooctene 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 Cyclooctene?

CompoundList lists 1 supplier of Cyclooctene in Japan. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Cyclooctene?

Suppliers quote Cyclooctene 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 Cyclooctene

Get quotes for Cyclooctene

Post one free request with your grade, quantity and destination. Matching suppliers send quotes you can compare side by side.
Post a request Sell Cyclooctene
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 Cyclooctene 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/cyclooctene-931-88-4" title="Cyclooctene 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 Hydrocarbons or HS code 290219

1 supplier
Free quotes, contact stays private
Get quotes