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Hydrocarbons

4-Nonene

Also known as Non-4-ene, non-5-ene, 4-Nonene,c&t

CAS 2198-23-4Formula C9H18Molar mass 126.24 g/molEC 218-595-2
GHS signal word: Danger. Pictograms: Flammable, Serious health hazard
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4-Nonene chemical structure, C9H18, CAS 2198-23-4
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
2198-23-4
Formula
C9H18
Molar mass
126.24 g/mol
Physical form
Liquid
HS code
290129
Category
Hydrocarbons
Illustrative photo, 25 litre white jerry cans of liquid in a warehouse
Typical packagingIllustrative packaging image, not the actual product

What is 4-Nonene?

Plain description, key identifiers and synonyms

4-Nonene is a chemical substance with the molecular formula C9H18 and a molar mass of 126.24 g/mol. Its CAS registry number is 2198-23-4. The IUPAC name is non-4-ene.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
non-4-ene
CAS number
2198-23-4 CAS number cross-checked
EC number
218-595-2
Molecular formula
C9H18
InChIKey
KPADFPAILITQBG-UHFFFAOYSA-N
InChI
InChI=1S/C9H18/c1-3-5-7-9-8-6-4-2/h7,9H,3-6,8H2,1-2H3
SMILES (canonical and isomeric)
CCCCC=CCCC

Synonyms

  • Non-4-ene
  • non-5-ene
  • 4-Nonene,c&t
  • 4-Nonene (cis & trans)
  • Smells terrible

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
126.24 g/molcalc.
Exact mass
126.1409 Dacalc.
LogP (octanol/water)
3.53calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
5calc.
Heavy atoms
9calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.78calc.
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

  • H226Flammable 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

4-Nonene suppliers

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4-Nonene 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

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 4-Nonene 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 4-Nonene is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Nonene, based on the data on this page

What is 4-Nonene?

4-Nonene is a chemical substance with the molecular formula C9H18 and a molar mass of 126.24 g/mol. Its CAS registry number is 2198-23-4. The IUPAC name is non-4-ene.

What is the CAS number of 4-Nonene?

The CAS registry number of 4-Nonene is 2198-23-4.

What is the molecular formula and weight of 4-Nonene?

The molecular formula of 4-Nonene is C9H18 and its molar mass is 126.24 g/mol.

What is 4-Nonene used for?

Known uses and roles of 4-Nonene include building blocks in research and laboratory.

Is 4-Nonene hazardous?

4-Nonene carries the GHS signal word "Danger". Main hazards: 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 4-Nonene?

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

Where can I buy 4-Nonene?

Post a free request on CompoundList and suppliers of 4-Nonene will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Nonene?

Suppliers quote 4-Nonene 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 4-Nonene

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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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