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Aldehydes and ketones

2-Hydroxycinnamaldehyde

Also known as (E)-3-(2-hydroxyphenyl)prop-2-enal, 3-(2-Hydroxyphenyl)-2-propenal, o-Hydroxycinnamaldehyde

CAS 3541-42-2Formula C9H8O2Molar mass 148.16 g/molEC 680-016-8
GHS signal word: Warning. Pictograms: Harmful or irritant 3 suppliers listed
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2-Hydroxycinnamaldehyde chemical structure, C9H8O2, CAS 3541-42-2
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
3541-42-2
Formula
C9H8O2
Molar mass
148.16 g/mol
EC number
680-016-8
HS code
291249
Category
Aldehydes and ketones

What is 2-Hydroxycinnamaldehyde?

Plain description, key identifiers and synonyms

(E)-3-(2-Hydroxyphenyl)-2-propenal is a member of cinnamaldehydes.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-3-(2-hydroxyphenyl)prop-2-enal
CAS number
3541-42-2Other or deprecated CAS: 60125-23-7
EC number
680-016-8
Molecular formula
C9H8O2
MDL number
MFCD01736614
InChIKey
BSDNZCQPDVTDET-HWKANZROSA-N
InChI
InChI=1S/C9H8O2/c10-7-3-5-8-4-1-2-6-9(8)11/h1-7,11H/b5-3+
Canonical SMILES
O=CC=Cc1ccccc1O
Isomeric SMILES
C1=CC=C(C(=C1)/C=C/C=O)O

Synonyms

  • (E)-3-(2-hydroxyphenyl)prop-2-enal
  • 3-(2-Hydroxyphenyl)-2-propenal
  • o-Hydroxycinnamaldehyde
  • 3-(2-Hydroxyphenyl)acrylaldehyde
  • (E)-3-(2-hydroxyphenyl)acrylaldehyde
  • (E)-2-Hydroxycinnamaldehyde
  • Cinnamaldehyde, o-hydroxy-
  • (2E)-3-(2-hydroxyphenyl)prop-2-enal
  • (E)-3-(2-Hydroxyphenyl)-2-propenal
  • 2-Propenal, 3-(2-hydroxyphenyl)-, (2E)-
  • o-Hydroxy-trans-cinnamaldehyde
  • 2-Hydroxycinnamic aldehyde
  • 2-Propenal, 3-(2-hydroxyphenyl)-
  • 2'-Hydroxycinnamaldehyde
  • 2-Hydroxycinnamicaldehyde
  • 2-hydroxyl cinnamaldehyde
  • Cinnamaldehyde deriv. IIa
  • (E)-3-(2-hydroxyphenyl)-acry
  • 2-Propenal, 3-(2-hydroxyphenyl)-, (E)-, (2E)-3-(2-Hydroxyphenyl)-2-propenal
  • (2E)-3-(2-hydroxyphenyl)-2-propenal
  • (E)-3-(2-hydroxyphenyl)-acrylaldehyde

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
148.16 g/molcalc.
Exact mass
148.0524 Dacalc.
LogP (octanol/water)
1.6calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
11calc.
Rings
1calc.
Aromatic rings
1calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Murcko scaffold

The ring system that remains when every side chain is removed

Murcko scaffold of this chemical, c1ccccc1

c1ccccc1

1 ring, 6 atoms, the Benzene ring system.

485,677 other chemicals share this scaffold

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H315Causes skin irritation.
  • H319Causes serious eye irritation.
Precautionary statements (9)
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P321Specific treatment (see supplemental first aid instructions on the label).
  • P332 + P317If skin irritation occurs: Get medical help.
  • P337 + P317If eye irritation persists: Get medical help.
  • P362 + P364Take off contaminated clothing. And wash it before reuse.

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

2-Hydroxycinnamaldehyde suppliers

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All 3 suppliers

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Where suppliers are based

3 suppliers in 1 country

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

Frequently asked questions

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

What is 2-Hydroxycinnamaldehyde?

(E)-3-(2-Hydroxyphenyl)-2-propenal is a member of cinnamaldehydes.

What is the CAS number of 2-Hydroxycinnamaldehyde?

The CAS registry number of 2-Hydroxycinnamaldehyde is 3541-42-2. Other or deprecated CAS numbers: 60125-23-7.

What is the molecular formula and weight of 2-Hydroxycinnamaldehyde?

The molecular formula of 2-Hydroxycinnamaldehyde is C9H8O2 and its molar mass is 148.16 g/mol.

What is 2-Hydroxycinnamaldehyde used for?

Known uses and roles of 2-Hydroxycinnamaldehyde include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2-Hydroxycinnamaldehyde hazardous?

2-Hydroxycinnamaldehyde carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 2-Hydroxycinnamaldehyde?

2-Hydroxycinnamaldehyde 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 2-Hydroxycinnamaldehyde?

CompoundList lists 3 suppliers of 2-Hydroxycinnamaldehyde 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 2-Hydroxycinnamaldehyde?

Suppliers quote 2-Hydroxycinnamaldehyde 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 2-Hydroxycinnamaldehyde

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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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