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Aldehydes and ketones

4-Hydroxy-2-hexenal

Also known as 4-HHE cpd, t-4HH, 4-hydroxyhex-2-enal

CAS 17427-08-6Formula C6H10O2Molar mass 114.14 g/mol
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4-Hydroxy-2-hexenal chemical structure, C6H10O2, CAS 17427-08-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
17427-08-6
Formula
C6H10O2
Molar mass
114.14 g/mol
HS code
291249
Category
Aldehydes and ketones

What is 4-Hydroxy-2-hexenal?

Plain description, key identifiers and synonyms

4-Hydroxy-2-hexenal is a chemical substance with the molecular formula C6H10O2 and a molar mass of 114.14 g/mol. Its CAS registry number is 17427-08-6. The IUPAC name is 4-hydroxyhex-2-enal.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
4-hydroxyhex-2-enal
CAS number
17427-08-6Other or deprecated CAS: 160708-91-8
Molecular formula
C6H10O2
InChIKey
JYTUBIHWMKQZRB-UHFFFAOYSA-N
InChI
InChI=1S/C6H10O2/c1-2-6(8)4-3-5-7/h3-6,8H,2H2,1H3
SMILES (canonical and isomeric)
CCC(C=CC=O)O

Synonyms

  • 4-HHE cpd
  • t-4HH
  • 4-hydroxyhex-2-enal
  • Hexenal, 4-hydroxy-
  • 4-Hydroxy-2(E)-hexenal-6,6,6-d3

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
114.14 g/molcalc.
Exact mass
114.0681 Dacalc.
LogP (octanol/water)
0.51calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
3calc.
Heavy atoms
8calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.5calc.
Formal charge
0calc.
Stereocentres
1calc.
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

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

4-Hydroxy-2-hexenal suppliers

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4-Hydroxy-2-hexenal 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-Hydroxy-2-hexenal is traded under.

HS 2912.49Indicative HS code

Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…

World exports in 2024
$159M
−9.6% vs 2023, imports $171M
2019 to 2024
Top exporters
  1. China36.7%
  2. India * partner reported27.5%
  3. Germany13.9%
Top importers
  1. China16.0%
  2. United States15.7%
  3. India * partner reported9.6%

* Partner reported figures, a lower bound.

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

The HS code shown for 4-Hydroxy-2-hexenal is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 4-Hydroxy-2-hexenal, based on the data on this page

What is 4-Hydroxy-2-hexenal?

4-Hydroxy-2-hexenal is a chemical substance with the molecular formula C6H10O2 and a molar mass of 114.14 g/mol. Its CAS registry number is 17427-08-6. The IUPAC name is 4-hydroxyhex-2-enal.

What is the CAS number of 4-Hydroxy-2-hexenal?

The CAS registry number of 4-Hydroxy-2-hexenal is 17427-08-6. Other or deprecated CAS numbers: 160708-91-8.

What is the molecular formula and weight of 4-Hydroxy-2-hexenal?

The molecular formula of 4-Hydroxy-2-hexenal is C6H10O2 and its molar mass is 114.14 g/mol.

What is 4-Hydroxy-2-hexenal used for?

Known uses and roles of 4-Hydroxy-2-hexenal include building blocks in research and laboratory.

Is 4-Hydroxy-2-hexenal hazardous?

No GHS hazard classification for 4-Hydroxy-2-hexenal is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of 4-Hydroxy-2-hexenal?

4-Hydroxy-2-hexenal is usually classified under HS code 291249 (Aldehyde-alcohols, aldehyde-ethers, aldehyde-phenols and aldehydes with other oxygen…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 4-Hydroxy-2-hexenal?

Post a free request on CompoundList and suppliers of 4-Hydroxy-2-hexenal will send you quotes. Your contact details stay private until you accept a quote.

What is the price of 4-Hydroxy-2-hexenal?

Suppliers quote 4-Hydroxy-2-hexenal 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-Hydroxy-2-hexenal

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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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