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Olefins and dienes

Hex-2-ene

Also known as 2-Hexene, 2-Hexene,c&t, Methylpentaene

CAS 592-43-8Formula C6H12Molar mass 84.16 g/molEC 209-755-2
GHS signal word: Danger. Pictograms: Flammable, Serious health hazard
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Hex-2-ene chemical structure, C6H12, CAS 592-43-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
592-43-8
Formula
C6H12
Molar mass
84.16 g/mol
Physical form
Liquid
HS code
290129
Category
Olefins and dienes
Illustrative photo, assorted laboratory chemical bottles and jars on a laboratory bench
Typical packagingIllustrative packaging image, not the actual product

What is Hex-2-ene?

Plain description, key identifiers and synonyms

2-Hexene is a hydrocarbon.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
hex-2-ene
CAS number
592-43-8 CAS number cross-checkedOther or deprecated CAS: 30285-07-5
EC number
209-755-2
Molecular formula
C6H12
InChIKey
RYPKRALMXUUNKS-UHFFFAOYSA-N
InChI
InChI=1S/C6H12/c1-3-5-6-4-2/h3,5H,4,6H2,1-2H3
SMILES (canonical and isomeric)
CCCC=CC

Synonyms

  • 2-Hexene
  • 2-Hexene,c&t
  • Methylpentaene
  • 2-Hexene (cis- and trans- mixture)
  • 2-aHexene
  • Hexene-(2)
  • 2-Hexene (c,t)
  • 2-Hexene cis + trans

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
84.16 g/molcalc.
Exact mass
84.0939 Dacalc.
LogP (octanol/water)
2.36calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
2calc.
Heavy atoms
6calc.
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
GHS08: Serious health hazard
Serious health hazard

Hazard statements

  • H225Highly flammable liquid and vapour.
  • H304May be fatal if swallowed and enters airways.
Precautionary statements (14)
  • 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.
  • 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.
  • 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

Hex-2-ene suppliers

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Hex-2-ene 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 Hex-2-ene 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 Hex-2-ene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Hex-2-ene, based on the data on this page

What is Hex-2-ene?

2-Hexene is a hydrocarbon.

What is the CAS number of Hex-2-ene?

The CAS registry number of Hex-2-ene is 592-43-8. Other or deprecated CAS numbers: 30285-07-5.

What is the molecular formula and weight of Hex-2-ene?

The molecular formula of Hex-2-ene is C6H12 and its molar mass is 84.16 g/mol.

Is Hex-2-ene hazardous?

Hex-2-ene carries the GHS signal word "Danger". Main hazards: highly flammable liquid and vapour, 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 Hex-2-ene?

Hex-2-ene is usually classified under HS code 290129 (Unsaturated, other). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Hex-2-ene?

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What is the price of Hex-2-ene?

Suppliers quote Hex-2-ene 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 Hex-2-ene

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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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