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3-Chloro-4-methoxybenzoic acid

Also known as: 3-Chloro-p-anisic acid, 3-Chloro-4-anisic acid, 3-Chloro-4-methoxybenzoate, 3-Chloro-4-methoxybenzolic acid, Benzoic acid, 3-chloro-4-methoxy-, RARECHEM AL BO 2400, MFCD00016512, EINECS 253-708-9, Tetrahydrozoline impurity 6, Methylparaben impurity 20

3-Chloro-4-methoxybenzoic acid (CAS 37908-96-6) 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 216-218 °C(lit.), a boiling point of 304.8±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 138.2±22.3 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H319 — Causes serious eye irritation and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
37908-96-6
Jingsj CID
J-1968116-4
Molecular Formula
C8H7ClO3
Molecular Weight
186.592 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point216-218 °C(lit.)
Boiling Point304.8±22.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point138.2±22.3 °C
Exact Mass186.008377
PSA46.53000
LogP2.92
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.562

GHS Safety & Compliance

Acute Toxicity / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H319 — Causes serious eye irritation
  • H400 — Very toxic to aquatic life

Frequently Asked Questions

What is the CAS number of 3-Chloro-4-methoxybenzoic acid?

The CAS number of 3-Chloro-4-methoxybenzoic acid is 37908-96-6.

What are the molecular formula and molecular weight of 3-Chloro-4-methoxybenzoic acid?

3-Chloro-4-methoxybenzoic acid has molecular formula C8H7ClO3 and molecular weight 186.592 g/mol.

Is 3-Chloro-4-methoxybenzoic acid hazardous?

3-Chloro-4-methoxybenzoic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H319 — Causes serious eye irritation; H400 — Very toxic to aquatic life.

What are the upstream and downstream products of 3-Chloro-4-methoxybenzoic acid?

For 3-Chloro-4-methoxybenzoic acid, Upstream Products: 4-Methoxybenzoic acid, Methyl 3-chloro-4-methoxybenzoate, 3-Chloro-4-hydroxybenzoic acid; Downstream Products: Methyl 3-chloro-4-methoxybenzoate, 3'-Chloro-4'-methoxyacetophenone, 4-Bromo-2-chloro-1-methoxybenzene.

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-4-methoxybenzoic acid (CAS 37908-96-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1968116-4 (accessed 2026-11-09).

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