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Carboxylic acids and anhydrides

2-Bromocinnamic acid

Also known as trans-2-Bromocinnamic acid, 3-(2-Bromophenyl)acrylic acid, o-Bromocinnamic acid

CAS 7345-79-1Formula C9H7BrO2Molar mass 227.06 g/molEC 231-353-0
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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2-Bromocinnamic acid chemical structure, C9H7BrO2, CAS 7345-79-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
7345-79-1
Formula
C9H7BrO2
Molar mass
227.06 g/mol
EC number
231-353-0
HS code
291639
Category
Carboxylic acids and anhydrides

What is 2-Bromocinnamic acid?

Plain description, key identifiers and synonyms

2-Bromocinnamic acid is a chemical substance with the molecular formula C9H7BrO2 and a molar mass of 227.06 g/mol. Its CAS registry number is 7345-79-1. The IUPAC name is (E)-3-(2-bromophenyl)prop-2-enoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
(E)-3-(2-bromophenyl)prop-2-enoic acid
CAS number
7345-79-1Other or deprecated CAS: 20595-39-5, 7499-56-1
EC numbers
231-353-0, 627-371-7
Molecular formula
C9H7BrO2
MDL number
MFCD00016836
InChIKey
OMHDOOAFLCMRFX-AATRIKPKSA-N
InChI
InChI=1S/C9H7BrO2/c10-8-4-2-1-3-7(8)5-6-9(11)12/h1-6H,(H,11,12)/b6-5+
Canonical SMILES
O=C(O)C=Cc1ccccc1Br
Isomeric SMILES
C1=CC=C(C(=C1)/C=C/C(=O)O)Br

Synonyms

  • trans-2-Bromocinnamic acid
  • 3-(2-Bromophenyl)acrylic acid
  • o-Bromocinnamic acid
  • (E)-3-(2-bromophenyl)prop-2-enoic acid
  • (E)-3-(2-Bromophenyl)acrylic acid
  • (2E)-3-(2-bromophenyl)prop-2-enoic acid
  • 2-Propenoic acid, 3-(2-bromophenyl)-
  • 2-Propenoic acid, 3-(2-bromophenyl)-, (2E)-
  • (E)-3-(2-Bromophenyl)propenoic acid
  • 3-(2-bromo-phenyl)-acrylic acid
  • 2-Propenoic acid, 3-(2-bromophenyl)-, (E)-
  • 2-Bromo-trans-cinnamic acid
  • o-Bromo-trans-cinnamic acid, 3-(2-Bromophenyl)acrylic acid
  • o-Bromzimtsaure
  • 3-(2-Bromophenyl)-2-propenoic acid
  • (2E)-3-(2-Bromophenyl)acrylic acid
  • Cinnamic acid, o-bromo-
  • trans-2-BromocinnamicAcid
  • Omhdooaflcmrfx-aatrikpksa-
  • trans-2-Bromocinnamic acid, 95%
  • propenoic acid, 3-(2-bromophenyl)-
  • (E)-3-(2-bromophenyl)-acrylic acid
  • (2E)-3-(2-bromophenyl)-2-propenoic acid

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
227.06 g/molcalc.
Exact mass
225.9629 Dacalc.
LogP (octanol/water)
2.55calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
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

2-Bromocinnamic acid suppliers

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Where suppliers are based

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2-Bromocinnamic acid 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-Bromocinnamic acid is traded under.

HS 2916.39Indicative HS code

Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…

World exports in 2024
$706M
−6.8% vs 2023, imports $714M
2019 to 2024
Top exporters
  1. China49.0%
  2. India * partner reported16.2%
  3. Germany13.2%
Top importers
  1. India * partner reported14.5%
  2. United States12.2%
  3. Germany8.6%

* Partner reported figures, a lower bound.

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

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

Frequently asked questions

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

What is 2-Bromocinnamic acid?

2-Bromocinnamic acid is a chemical substance with the molecular formula C9H7BrO2 and a molar mass of 227.06 g/mol. Its CAS registry number is 7345-79-1. The IUPAC name is (E)-3-(2-bromophenyl)prop-2-enoic acid.

What is the CAS number of 2-Bromocinnamic acid?

The CAS registry number of 2-Bromocinnamic acid is 7345-79-1. Other or deprecated CAS numbers: 20595-39-5, 7499-56-1.

What is the molecular formula and weight of 2-Bromocinnamic acid?

The molecular formula of 2-Bromocinnamic acid is C9H7BrO2 and its molar mass is 227.06 g/mol.

What is 2-Bromocinnamic acid used for?

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

Is 2-Bromocinnamic acid hazardous?

2-Bromocinnamic acid 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 2-Bromocinnamic acid?

2-Bromocinnamic acid is usually classified under HS code 291639 (Aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy 2-Bromocinnamic acid?

CompoundList lists 1 supplier of 2-Bromocinnamic acid 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-Bromocinnamic acid?

Suppliers quote 2-Bromocinnamic acid 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-Bromocinnamic acid

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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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