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3-Chloro-5-methoxybenzoic acid

Also known as: 3-CHLORO-5-METHOXY-BENZOIC ACID, 5-Chloro-m-anisic acid, 3-Carboxy-5-chloroanisole, Benzoic acid, 3-chloro-5-methoxy-

3-Chloro-5-methoxybenzoic acid (CAS 82477-67-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO3 and a molecular weight of 186.592 g/mol. Key properties include a melting point of 172-176ºC, a boiling point of 323.1±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 149.2±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
82477-67-6
Jingsj CID
J-1525257-0
Molecular Formula
C8H7ClO3
Molecular Weight
186.592 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point172-176ºC
Boiling Point323.1±22.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point149.2±22.3 °C
Exact Mass186.008377
PSA46.53000
LogP3.26
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.562
Storage Conditions2-8°C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2918990090
Summary2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Chloro-5-methoxybenzoic acid?

The CAS number of 3-Chloro-5-methoxybenzoic acid is 82477-67-6.

What are the molecular formula and molecular weight of 3-Chloro-5-methoxybenzoic acid?

3-Chloro-5-methoxybenzoic acid has molecular formula C8H7ClO3 and molecular weight 186.592 g/mol.

Is 3-Chloro-5-methoxybenzoic acid hazardous?

3-Chloro-5-methoxybenzoic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 3-Chloro-5-methoxybenzoic acid?

For 3-Chloro-5-methoxybenzoic acid, Upstream Products: Carbon dioxide, 3,5-Dichloroanisole, 3,5-Dichlorobenzoic acid; Downstream Products: 3-Chloro-5-hydroxybenzoic acid, (3-Chloro-5-methoxyphenyl)methanol, Methyl 3-chloro-5-hydroxybenzoate.

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-Chloro-5-methoxybenzoic acid (CAS 82477-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525257-0 (accessed 2026-11-09).

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