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Hydrocarbons

Undecene

Also known as 2-Undecene, (E)-, (E)-2-Undecene, trans-2-Undecene

CAS 693-61-8Formula C11H22Molar mass 154.30 g/molEC 249-202-2
GHS signal word: Danger. Pictograms: Serious health hazard 1 supplier listed
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Undecene chemical structure, C11H22, CAS 693-61-8
2D chemical structure

Key facts

What buyers check first

All properties
Physical form
Liquid
Melting point
-62 °C
Boiling point
193.5 °C
HS code
290129
Category
Hydrocarbons
Illustrative photo, closed blue jerry cans in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is Undecene?

Plain description, key identifiers and synonyms

Undecene is a chemical substance with the molecular formula C11H22 and a molar mass of 154.30 g/mol. Its CAS registry number is 693-61-8. The IUPAC name is (E)-undec-2-ene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-undec-2-ene
CAS number
693-61-8 CAS number cross-checkedOther or deprecated CAS: 2244-02-2, 28761-27-5
EC number
249-202-2
Molecular formula
C11H22
UNII
4JH4KV7M4K
InChIKey
JOHIXGUTSXXADV-HWKANZROSA-N
InChI
InChI=1S/C11H22/c1-3-5-7-9-11-10-8-6-4-2/h3,5H,4,6-11H2,1-2H3/b5-3+
Canonical SMILES
CC=CCCCCCCCC
Isomeric SMILES
CCCCCCCC/C=C/C

Synonyms

  • 2-Undecene, (E)-
  • (E)-2-Undecene
  • trans-2-Undecene
  • 2-Undecene, (2E)-
  • beta-trans-undecene
  • 2Undecene, (E)
  • 2-Undecene
  • (2E)-undec-2-ene
  • (2E)-2-Undecene
  • (2E)-2-Undecene #
  • (E)- and (Z)-2-Undecene

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
-62 °Cexp.
Boiling point
193.5 °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
154.30 g/molcalc.
Exact mass
154.1722 Dacalc.
LogP (octanol/water)
4.31calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
7calc.
Heavy atoms
11calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.82calc.
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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H304May be fatal if swallowed and enters airways.
Precautionary statements (4)
  • P301 + P316If swallowed: Get emergency medical help immediately.
  • P331Do not induce vomiting.
  • 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

Undecene 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

1 supplier in 1 country

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Undecene 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

Used in the polymer, surfactant, and detergent industries.

How it is made

Catalytic oligomerization of ethylene followed by isomerization & disproportionation of c4-c8 & c20+ fractions to c11-c14 internal olefins, thermal cracking of paraffin waxes followed by fractionation to c11-c14 linear alpha-olefins

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Undecene is traded under.

HS 2901.29Indicative HS code

Unsaturated, other

World exports in 2024
$2.65B
−3.2% vs 2023, imports $2.57B
2019 to 2024
Top exporters
  1. United States43.9%
  2. South Africa15.3%
  3. Qatar * partner reported9.0%
Top importers
  1. Singapore10.9%
  2. United States10.1%
  3. South Korea8.7%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is Undecene?

Undecene is a chemical substance with the molecular formula C11H22 and a molar mass of 154.30 g/mol. Its CAS registry number is 693-61-8. The IUPAC name is (E)-undec-2-ene.

What is the CAS number of Undecene?

The CAS registry number of Undecene is 693-61-8. Other or deprecated CAS numbers: 2244-02-2, 28761-27-5.

What is the molecular formula and weight of Undecene?

The molecular formula of Undecene is C11H22 and its molar mass is 154.30 g/mol.

What is Undecene used for?

Used in the polymer, surfactant, and detergent industries.

Is Undecene hazardous?

Undecene carries the GHS signal word "Danger". Main hazards: may be fatal if swallowed and enters airways. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of Undecene?

Undecene is usually classified under HS code 290129 (Unsaturated, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Undecene?

CompoundList lists 1 supplier of Undecene 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 Undecene?

Suppliers quote Undecene 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 Undecene

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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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