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Carboxylic acids and anhydrides

3-Coumaric acid, (E)-

Also known as 3-Hydroxycinnamic acid, m-Coumaric acid, 3-Coumaric acid

CAS 14755-02-3Formula C9H8O3Molar mass 164.16 g/molEC 209-615-0
GHS signal word: Warning. Pictograms: Harmful or irritant 11 suppliers listed
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3-Coumaric acid, (E)- chemical structure, C9H8O3, CAS 14755-02-3
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
14755-02-3
Formula
C9H8O3
Molar mass
164.16 g/mol
EC number
209-615-0
HS code
291829
Category
Carboxylic acids and anhydrides

What is 3-Coumaric acid, (E)-?

Plain description, key identifiers and synonyms

3-coumaric acid is a monohydroxycinnamic acid in which the hydroxy substituent is located at C-3 of the phenyl ring. It has a role as a plant metabolite and a human xenobiotic metabolite. It is a conjugate acid of a 3-coumarate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-3-(3-hydroxyphenyl)prop-2-enoic acid
CAS number
14755-02-3Other or deprecated CAS: 588-30-7
EC numbers
209-615-0, 604-589-0
Molecular formula
C9H8O3
UNII
KWJ2DDJ34H
MDL number
MFCD00004390
InChIKey
KKSDGJDHHZEWEP-SNAWJCMRSA-N
InChI
InChI=1S/C9H8O3/c10-8-3-1-2-7(6-8)4-5-9(11)12/h1-6,10H,(H,11,12)/b5-4+
Canonical SMILES
O=C(O)C=Cc1cccc(O)c1
Isomeric SMILES
C1=CC(=CC(=C1)O)/C=C/C(=O)O

Synonyms

  • 3-Hydroxycinnamic acid
  • m-Coumaric acid
  • 3-Coumaric acid
  • m-Hydroxycinnamic acid
  • (E)-3-(3-Hydroxyphenyl)acrylic acid
  • 3-(3-Hydroxyphenyl)acrylic acid
  • trans-3-Hydroxycinnamic acid
  • trans-m-Coumaric Acid
  • trans-3-Hydroxycinnamate
  • Cinnamic acid, m-hydroxy-
  • 2-propenoic acid, 3-(3-hydroxyphenyl)-, (2E)-
  • (2E)-3-(3-hydroxyphenyl)prop-2-enoic acid
  • (E)-3-(3-hydroxyphenyl)prop-2-enoic acid
  • (2E)-3-(3-hydroxyphenyl)acrylic acid
  • 2-Propenoic acid, 3-(3-hydroxyphenyl)-
  • trans-3-coumaric acid
  • 3'-Hydroxycinnamic acid
  • (E)-3-(3-Hydroxyphenyl)-2-propenoic acid
  • 3-(3-hydroxyphenyl)prop-2-enoic acid
  • (2E)-3-(3-Hydroxyphenyl)-2-propenoic acid
  • 2-Propenoic acid, 3-(3-hydroxyphenyl)-, (E)-
  • 3-(3-Hydroxyphenyl)acrylsaeure
  • m-Coumarate
  • 3-hydroxycinnamate
  • (2E)-3-(3-hydroxyphenyl)prop-2-enoate
Show all 36 synonyms
  • trans-m-Cumaric Acid
  • 3-(3-hydroxyphenyl)acrylate
  • 3-(3-hydroxyphenyl)prop-2-enoate
  • Cinnamic acid, 3-hydroxy-
  • trans-3-Hydroxycinnamic acid, 99%
  • m-Hydroxycinnamate
  • m-hydroxy-Cinnamate
  • 3'-Hydroxycinnamate
  • (E)-m-Coumaric acid
  • m-hydroxy-Cinnamic acid
  • m-Coumaric acid (Standard)

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
164.16 g/molcalc.
Exact mass
164.0473 Dacalc.
LogP (octanol/water)
1.49calc.
Topological polar surface area
57.53 Ųcalc.
Hydrogen bond donors
2calc.
Hydrogen bond acceptors
2calc.
Rotatable bonds
2calc.
Heavy atoms
12calc.
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.
  • H335May cause respiratory irritation.
Precautionary statements (16)
  • P261Avoid breathing dust, fume, gas, mist, vapours or spray.
  • P264Wash skin thoroughly after handling.
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P271Use only outdoors or in a well-ventilated area.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P302 + P352If on skin: Wash with plenty of water.
  • P304 + P340If inhaled: Remove person to fresh air and keep comfortable for breathing.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P319Get medical help if you feel unwell.
  • 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.
  • P403 + P233Store in a well-ventilated place. Keep container tightly closed.
  • 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

3-Coumaric acid, (E)- suppliers

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Where suppliers are based

11 suppliers in 7 countries

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3-Coumaric acid, (E)- 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

Roles

  • animal metabolite
  • eukaryotic metabolite
  • human metabolite
  • human xenobiotic metabolite
  • mammalian metabolite
  • metabolite
  • plant metabolite
  • xenobiotic metabolite

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 3-Coumaric acid, (E)- is traded under.

HS 2918.29Indicative HS code

Carboxylic acids, (with phenol function but without other oxygen function), their anhydrides, halides…

World exports in 2024
$861M
+0.9% vs 2023, imports $892M
2019 to 2024
Top exporters
  1. China30.5%
  2. South Korea18.3%
  3. Switzerland * partner reported13.3%
Top importers
  1. United States14.7%
  2. Germany13.3%
  3. Japan10.3%

* Partner reported figures, a lower bound.

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

The HS code shown for 3-Coumaric acid, (E)- is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 3-Coumaric acid, (E)-, based on the data on this page

What is 3-Coumaric acid, (E)-?

3-coumaric acid is a monohydroxycinnamic acid in which the hydroxy substituent is located at C-3 of the phenyl ring. It has a role as a plant metabolite and a human xenobiotic metabolite. It is a conjugate acid of a 3-coumarate.

What is the CAS number of 3-Coumaric acid, (E)-?

The CAS registry number of 3-Coumaric acid, (E)- is 14755-02-3. Other or deprecated CAS numbers: 588-30-7.

What is the molecular formula and weight of 3-Coumaric acid, (E)-?

The molecular formula of 3-Coumaric acid, (E)- is C9H8O3 and its molar mass is 164.16 g/mol.

What is 3-Coumaric acid, (E)- used for?

Known uses and roles of 3-Coumaric acid, (E)- include building blocks in research and laboratory, screening compounds in research and laboratory, animal metabolite, eukaryotic metabolite, human metabolite and 5 more.

Is 3-Coumaric acid, (E)- hazardous?

3-Coumaric acid, (E)- carries the GHS signal word "Warning". Main hazards: causes skin irritation, causes serious eye irritation, may cause respiratory irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of 3-Coumaric acid, (E)-?

3-Coumaric acid, (E)- is usually classified under HS code 291829 (Carboxylic acids with phenol function but without other oxygen function, their…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 3-Coumaric acid, (E)-?

CompoundList lists 11 suppliers of 3-Coumaric acid, (E)- in China, Hong Kong, United States, Germany and 3 more. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of 3-Coumaric acid, (E)-?

Suppliers quote 3-Coumaric acid, (E)- 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 3-Coumaric acid, (E)-

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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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