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2,3,5-Trichlorobenzoic acid

Also known as: 2,3,5-TBA, 2,3,5-Trichlorobenzoic, 2,3,5-Trichlorobenzoic acid PESTANAL 100, Benzoic acid, 2,3,5-trichloro-, EINECS 210-380-1, MFCD00060674, RARECHEM AL BE 0200

2,3,5-Trichlorobenzoic acid (CAS 50-73-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl3O2 and a molecular weight of 225.456 g/mol. Key properties include a melting point of 166-167 °C(lit.), a boiling point of 329.4±37.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 153.0±26.5 °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.
50-73-7
Jingsj CID
J-49127-3
Molecular Formula
C7H3Cl3O2
Molecular Weight
225.456 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point166-167 °C(lit.)
Boiling Point329.4±37.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point153.0±26.5 °C
Exact Mass223.919861
PSA37.30000
LogP3.87
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.611

GHS Safety & Compliance

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

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 2,3,5-Trichlorobenzoic acid?

The CAS number of 2,3,5-Trichlorobenzoic acid is 50-73-7.

What are the molecular formula and molecular weight of 2,3,5-Trichlorobenzoic acid?

2,3,5-Trichlorobenzoic acid has molecular formula C7H3Cl3O2 and molecular weight 225.456 g/mol.

Is 2,3,5-Trichlorobenzoic acid hazardous?

2,3,5-Trichlorobenzoic 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 2,3,5-Trichlorobenzoic acid?

For 2,3,5-Trichlorobenzoic acid, Upstream Products: Chloramben, 2,3,5-Trichlorobenzaldehyde, 3,5-Dichloroanthranilic acid; Downstream Products: 2,3,5-Trichlorobenzyl alcohol.

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

Last updated:

How to cite: Jingsj. "2,3,5-Trichlorobenzoic acid (CAS 50-73-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49127-3 (accessed 2026-11-07).

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