2-Chloro-3-nitrobenzoic acid
Also known as: NSC 92742, 2-chloro-3-nitrobenzoate, Benzoic acid, 2-chloro-3-nitro-, 2-chloro-3-carboxynitrobenzene, 2-chloro-3-carboxy-nitrobenzene, 3-Nitro-2-chlorobenzoic acid, MFCD00007069, Mesalazine EP Impurity Q, Mesalazine Impurity 8
2-Chloro-3-nitrobenzoic acid (CAS 3970-35-2) 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 183-187 °C(lit.), a boiling point of 359.9±27.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 171.5±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.
- 3970-35-2
- Jingsj CID
- J-1494110-7
- Molecular Formula
- C7H4ClNO4
- Molecular Weight
- 201.564 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 183-187 °C(lit.) |
|---|---|
| Boiling Point | 359.9±27.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 171.5±23.7 °C |
| Exact Mass | 200.982880 |
| PSA | 83.12000 |
| LogP | 1.76 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.628 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 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-Chloro-3-nitrobenzoic acid?
The CAS number of 2-Chloro-3-nitrobenzoic acid is 3970-35-2.
What are the molecular formula and molecular weight of 2-Chloro-3-nitrobenzoic acid?
2-Chloro-3-nitrobenzoic acid has molecular formula C7H4ClNO4 and molecular weight 201.564 g/mol.
Is 2-Chloro-3-nitrobenzoic acid hazardous?
2-Chloro-3-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 2-Chloro-3-nitrobenzoic acid?
For 2-Chloro-3-nitrobenzoic acid, Upstream Products: 2-Amino-3-nitrobenzoic acid, 2-chloro-3-nitrotoluene, 2-Chlorobenzoic acid; Downstream Products: 2-Chloro-3-nitrobenzonitrile, 1-Bromo-2-chloro-3-nitrobenzene, 3-Bromo-2-fluoronitrobenzene.
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-Chloro-3-nitrobenzoic acid (CAS 3970-35-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494110-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.