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4-chloro-2-methylbenzoic acid

Also known as: 4-chloro-o-toluic acid, 4-chloro-2-methyl-benzoic acid, 2-methyl-4-chlorobenzoic acid, 4-Chlor-2-methyl-benzoesaeure, MFCD00045852, o-Toluic acid, 4-chloro-, NSC 407521

4-chloro-2-methylbenzoic acid (CAS 7499-07-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7ClO2 and a molecular weight of 170.59300 g/mol. Key properties include a melting point of 167-171 °C(lit.), a boiling point of 300.3ºC at 760 mmHg, a density of 1.31 g/cm3 and a flash point of 135.4ºC. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7499-07-2
Jingsj CID
J-49054-0
Molecular Formula
C8H7ClO2
Molecular Weight
170.59300 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point167-171 °C(lit.)
Boiling Point300.3ºC at 760 mmHg
Density1.31 g/cm3
Flash Point135.4ºC
Exact Mass170.01300
PSA37.30000
LogP2.34660
Refractive Index1.573

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger
  • H302 — Harmful if swallowed
  • H318 — Causes serious eye damage

Customs & Trade Information

HS Code2916399090
Summary2916399090 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-chloro-2-methylbenzoic acid?

The CAS number of 4-chloro-2-methylbenzoic acid is 7499-07-2.

What are the molecular formula and molecular weight of 4-chloro-2-methylbenzoic acid?

4-chloro-2-methylbenzoic acid has molecular formula C8H7ClO2 and molecular weight 170.59300 g/mol.

Is 4-chloro-2-methylbenzoic acid hazardous?

4-chloro-2-methylbenzoic acid has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H318 — Causes serious eye damage.

What are the upstream and downstream products of 4-chloro-2-methylbenzoic acid?

For 4-chloro-2-methylbenzoic acid, Upstream Products: iodomethane, 4-Chlorobenzoic acid, 4-Chloro-1,2-dimethylbenzene; Downstream Products: 4-Fluoro-2-methylbenzoic acid, 4-Chlorophthalic acid, Methyl 2-(bromomethyl)-4-chlorobenzoate.

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

Last updated:

How to cite: Jingsj. "4-chloro-2-methylbenzoic acid (CAS 7499-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49054-0 (accessed 2026-11-09).

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