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Aromatic building blocks

2,4-Dichlorocinnamic acid

Also known as 2-Propenoic acid, 3-(2,4-dichlorophenyl)-, 3-(2,4-Dichlorophenyl)-2-propenoic acid, Cinnamic acid, 2,4-dichloro-

CAS 1201-99-6Formula C9H6Cl2O2Molar mass 217.05 g/molEC 214-860-1
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2,4-Dichlorocinnamic acid chemical structure, C9H6Cl2O2, CAS 1201-99-6
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
1201-99-6
Formula
C9H6Cl2O2
Molar mass
217.05 g/mol
EC number
214-860-1
HS code
291639
Category
Aromatic building blocks

What is 2,4-Dichlorocinnamic acid?

Plain description, key identifiers and synonyms

2,4-Dichlorocinnamic acid is a chemical substance with the molecular formula C9H6Cl2O2 and a molar mass of 217.05 g/mol. Its CAS registry number is 1201-99-6. The IUPAC name is 3-(2,4-dichlorophenyl)prop-2-enoic acid.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
3-(2,4-dichlorophenyl)prop-2-enoic acid
CAS number
1201-99-6 CAS number cross-checked
EC number
214-860-1
Molecular formula
C9H6Cl2O2
InChIKey
MEBWABJHRAYGFW-UHFFFAOYSA-N
InChI
InChI=1S/C9H6Cl2O2/c10-7-3-1-6(8(11)5-7)2-4-9(12)13/h1-5H,(H,12,13)
SMILES (canonical and isomeric)
C1=CC(=C(C=C1Cl)Cl)C=CC(=O)O

Synonyms

  • 2-Propenoic acid, 3-(2,4-dichlorophenyl)-
  • 3-(2,4-Dichlorophenyl)-2-propenoic acid
  • Cinnamic acid, 2,4-dichloro-
  • 3-(2,4-dichlorophenyl)prop-2-enoic acid
  • 2,4-Dichloro-cis-cinnamic acid
  • 3-(2,4-Dichlorophenyl)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
217.05 g/molcalc.
Exact mass
215.9745 Dacalc.
LogP (octanol/water)
3.09calc.
Topological polar surface area
37.3 Ųcalc.
Hydrogen bond donors
1calc.
Hydrogen bond acceptors
1calc.
Rotatable bonds
2calc.
Heavy atoms
13calc.
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

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.

2,4-Dichlorocinnamic acid suppliers

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2,4-Dichlorocinnamic 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 2,4-Dichlorocinnamic 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 2,4-Dichlorocinnamic acid is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about 2,4-Dichlorocinnamic acid, based on the data on this page

What is 2,4-Dichlorocinnamic acid?

2,4-Dichlorocinnamic acid is a chemical substance with the molecular formula C9H6Cl2O2 and a molar mass of 217.05 g/mol. Its CAS registry number is 1201-99-6. The IUPAC name is 3-(2,4-dichlorophenyl)prop-2-enoic acid.

What is the CAS number of 2,4-Dichlorocinnamic acid?

The CAS registry number of 2,4-Dichlorocinnamic acid is 1201-99-6.

What is the molecular formula and weight of 2,4-Dichlorocinnamic acid?

The molecular formula of 2,4-Dichlorocinnamic acid is C9H6Cl2O2 and its molar mass is 217.05 g/mol.

What is 2,4-Dichlorocinnamic acid used for?

Known uses and roles of 2,4-Dichlorocinnamic acid include building blocks in research and laboratory and screening compounds in research and laboratory.

Is 2,4-Dichlorocinnamic acid hazardous?

No GHS hazard classification for 2,4-Dichlorocinnamic acid 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 2,4-Dichlorocinnamic acid?

2,4-Dichlorocinnamic 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 2,4-Dichlorocinnamic acid?

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

What is the price of 2,4-Dichlorocinnamic acid?

Suppliers quote 2,4-Dichlorocinnamic 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 2,4-Dichlorocinnamic 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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