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3-Chloro-2-nitrobenzoic acid

Also known as: 2-Nitro-3-chlorobenzoic acid, 3-chloro-2-nitrobenzoate, Benzoic acid, 3-chloro-2-nitro-, 2-Nitro-3-chlor-benzoesaeure, 3-Chlor-2-nitro-benzoesaeure

3-Chloro-2-nitrobenzoic acid (CAS 4771-47-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4ClNO4 and a molecular weight of 201.564 g/mol. Key properties include a melting point of 237-239 °C(lit.), a boiling point of 365.6±27.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 174.9±23.7 °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.
4771-47-5
Jingsj CID
J-15861-2
Molecular Formula
C7H4ClNO4
Molecular Weight
201.564 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point237-239 °C(lit.)
Boiling Point365.6±27.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point174.9±23.7 °C
Exact Mass200.982880
PSA83.12000
LogP2.36
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.628

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 3-Chloro-2-nitrobenzoic acid?

The CAS number of 3-Chloro-2-nitrobenzoic acid is 4771-47-5.

What are the molecular formula and molecular weight of 3-Chloro-2-nitrobenzoic acid?

3-Chloro-2-nitrobenzoic acid has molecular formula C7H4ClNO4 and molecular weight 201.564 g/mol.

Is 3-Chloro-2-nitrobenzoic acid hazardous?

3-Chloro-2-nitrobenzoic 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-Chloro-2-nitrobenzoic acid?

For 3-Chloro-2-nitrobenzoic acid, Upstream Products: 3-Chlorobenzoic acid, 3-Chloro-2-nitrotoluene, 2-Chloro-6-methylaniline; Downstream Products: 3-Chloro-2-nitrobenzoyl chloride, Methyl 3-hydroxy-2-nitrobenzoate, Methyl 2-amino-3-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. "3-Chloro-2-nitrobenzoic acid (CAS 4771-47-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15861-2 (accessed 2026-11-09).

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