4-Chlorocinnamic acid

Also known as: p-Chlorocinnamic acid, trans-3-(4-Chlorophenyl)propenoic acid, 3-(4-Chlorophenyl)acrylic acid, (2E)-3-(4-Chlorophenyl)acrylic acid, (2E)-3-(4-Chlorophenyl)prop-2-enoic acid, RARECHEM BK HC T318, TIMTEC-BB SBB008203

4-Chlorocinnamic acid (CAS 1615-02-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H7ClO2 and a molecular weight of 182.60 g/mol. Key properties include a melting point of 248-250 °C(lit.), a boiling point of 325.3±17.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 150.5±20.9 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1615-02-7
Jingsj CID: J-31417-0
Molecular Formula: C₉H₇ClO₂
Molecular Weight: 182.60 g/mol
Category: Organic Acids
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	248-250 °C(lit.)
Boiling Point	325.3±17.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	150.5±20.9 °C
Exact Mass	182.013458
PSA	37.30000
LogP	2.94
Vapor Pressure	0.0±0.7 mmHg at 25°C
Refractive Index	1.628

GHS Safety & Compliance

IrritantSignal word: Warning

H302 — Harmful if swallowed

Activity & Biological Data

Additional Information	[1]. Cui Y, et al. Inhibition kinetics and molecular simulation of p-substituted cinnamic acid derivatives on tyrosinase. Int J Biol Macromol. 2017 Feb;95:1289-1297. [2]. Silva RHN, et al. Antimicrobial Activity of 4-Chlorocinnamic Acid Derivatives. Biomed Res Int. 2019 Apr 23;2019:3941242. [3]. Kátia Aparecida de Siqueira, et al. Isolation of 4-chlorocinnamic acid from Streptomyces griseocarneus R132, and its inhibition activity against sweet pepper postharvest anthracnose. Biocontrol Science and Technology. Volume 32, 2022-Issue 6

Additional Information

[1]. Cui Y, et al. Inhibition kinetics and molecular simulation of p-substituted cinnamic acid derivatives on tyrosinase. Int J Biol Macromol. 2017 Feb;95:1289-1297. [2]. Silva RHN, et al. Antimicrobial Activity of 4-Chlorocinnamic Acid Derivatives. Biomed Res Int. 2019 Apr 23;2019:3941242. [3]. Kátia Aparecida de Siqueira, et al. Isolation of 4-chlorocinnamic acid from Streptomyces griseocarneus R132, and its inhibition activity against sweet pepper postharvest anthracnose. Biocontrol Science and Technology. Volume 32, 2022-Issue 6

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Chlorocinnamic acid?

The CAS number of 4-Chlorocinnamic acid is 1615-02-7.

What are the molecular formula and molecular weight of 4-Chlorocinnamic acid?

4-Chlorocinnamic acid has molecular formula C9H7ClO2 and molecular weight 182.60 g/mol.

Is 4-Chlorocinnamic acid hazardous?

4-Chlorocinnamic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed.

What are the upstream and downstream products of 4-Chlorocinnamic acid?

For 4-Chlorocinnamic acid, Upstream Products: 1-Chloro-4-iodobenzene, Acrylic acid, 4-Chlorobenzaldehyde; Downstream Products: 4-Bromo-7-chloroisoquinolin-1(2H)-one, 3,3-Diphenylpropanoic acid, Methyl 3-phenylpropanoate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "4-Chlorocinnamic acid (CAS 1615-02-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31417-0 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.