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Skin conditioning agents and actives

1-Eicosene

Also known as Cetyl ethylene, alpha-Eicosene, Neodene 20

CAS 3452-07-1Formula C20H40Molar mass 280.54 g/molEC 222-374-6
GHS signal word: Danger. Pictograms: Serious health hazard 4 suppliers listed
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1-Eicosene chemical structure, C20H40, CAS 3452-07-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3452-07-1
Formula
C20H40
Molar mass
280.54 g/mol
EC number
222-374-6
HS code
290129
Category
Skin conditioning agents and actives

What is 1-Eicosene?

Plain description, key identifiers and synonyms

Eicosene is a hydrocarbon.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
icos-1-ene
CAS number
3452-07-1 CAS number cross-checkedOther or deprecated CAS: 27323-11-1, 27400-78-8, 52439-84-6
EC number
222-374-6
Molecular formula
C20H40
UNII
6BHH7ZD637
MDL number
MFCD00009013
INCI name
C20-24 OLEFIN
InChIKey
VAMFXQBUQXONLZ-UHFFFAOYSA-N
InChI
InChI=1S/C20H40/c1-3-5-7-9-11-13-15-17-19-20-18-16-14-12-10-8-6-4-2/h3H,1,4-20H2,2H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCCCCC=C

Synonyms

  • Cetyl ethylene
  • alpha-Eicosene
  • Neodene 20
  • Icos-1-ene
  • Eicosene
  • 1-Icosene
  • Methylene nonadecane
  • Arachidene
  • Arachydene
  • cosen
  • 1-eicosadecene
  • 1-icosadecene
  • Eicos-1-ene
  • A.-Eicosene
  • 1-Eicosene, tech grade
  • Neodene c 20
  • 1-Eicosene, technical grade
  • 1-Eicosene, analytical standard
  • 1-Eicosene, technical grade, 80%

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

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

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
280.54 g/molcalc.
Exact mass
280.313 Dacalc.
LogP (octanol/water)
7.82calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
17calc.
Heavy atoms
20calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.9calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (1 violation)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

1-Eicosene suppliers

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

All 4 suppliers
4 of 4 offers
  • Shell Petroleum Inc.
    United States, Houston ManufacturerUnclaimed profile
    1-EicoseneGrade, purity and minimum order on request
    Price on request
    View
  • Shell
    United States, Houston ManufacturerUnclaimed profile
    1-EicoseneGrade, purity and minimum order on request
    Price on request
    View
  • Shell Chemical LP
    United States, Norco ManufacturerUnclaimed profile
    1-EicoseneGrade, purity and minimum order on request
    Price on request
    View
  • SynQuest Laboratories
    United States, AlachuaUnclaimed profile
    1-EicoseneGrade, purity and minimum order on request
    Price on request
    View

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

4 suppliers in 1 country

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1-Eicosene 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

Cosmetic ingredient, INCI name C20-24 OLEFIN(skin conditioning)

Functional uses

  • Softener and conditioner

Cosmetic functions

  • Skin conditioning

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

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 1-Eicosene 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 1-Eicosene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 1-Eicosene, based on the data on this page

What is 1-Eicosene?

Eicosene is a hydrocarbon.

What is the CAS number of 1-Eicosene?

The CAS registry number of 1-Eicosene is 3452-07-1. Other or deprecated CAS numbers: 27323-11-1, 27400-78-8, 52439-84-6.

What is the molecular formula and weight of 1-Eicosene?

The molecular formula of 1-Eicosene is C20H40 and its molar mass is 280.54 g/mol.

What is 1-Eicosene used for?

Known uses and roles of 1-Eicosene include skin conditioning agents in cosmetics and personal care, skin conditioning and softener and conditioner.

Is 1-Eicosene hazardous?

1-Eicosene 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 1-Eicosene?

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

Where can I buy 1-Eicosene?

CompoundList lists 4 suppliers of 1-Eicosene in United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 1-Eicosene?

Suppliers quote 1-Eicosene 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 1-Eicosene

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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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