Skip to main content

3-Chlorosalicylic acid

Also known as: 3-Chloro-2-hydroxybenzoic acid, 2-Hydroxy-3-chlorobenzoic acid, 3-CHLOROSALICYLIC ACID, 3-Chlorosalicylic acid 98%, Benzoic acid, 3-chloro-2-hydroxy-, NSC 18854, Salicylic acid, 3-chloro-, EINECS 217-379-5, MFCD00010390

3-Chlorosalicylic acid (CAS 1829-32-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5ClO3 and a molecular weight of 172.566 g/mol. Key properties include a melting point of 184-186 °C(lit.), a boiling point of 291.7±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 130.2±23.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1829-32-9
Jingsj CID
J-23907-6
Molecular Formula
C7H5ClO3
Molecular Weight
172.566 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point184-186 °C(lit.)
Boiling Point291.7±25.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point130.2±23.2 °C
Exact Mass171.992722
PSA57.53000
LogP3.03
Vapor Pressure0.0±0.6 mmHg at 25°C
Refractive Index1.630

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2918290000
SummaryHS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Chlorosalicylic acid?

The CAS number of 3-Chlorosalicylic acid is 1829-32-9.

What are the molecular formula and molecular weight of 3-Chlorosalicylic acid?

3-Chlorosalicylic acid has molecular formula C7H5ClO3 and molecular weight 172.566 g/mol.

Is 3-Chlorosalicylic acid hazardous?

3-Chlorosalicylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of 3-Chlorosalicylic acid?

For 3-Chlorosalicylic acid, Upstream Products: Carbon dioxide, 2,3-Dichlorobenzoic acid, 3-Chlorobenzoic acid; Downstream Products: 3-Chloro-2-methoxybenzoic acid, Methyl 3-chloro-2-hydroxybenzoate, 2-Chlorophenol.

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

Last updated:

How to cite: Jingsj. "3-Chlorosalicylic acid (CAS 1829-32-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23907-6 (accessed 2026-11-09).

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