3,5-Dinitrobenzoic acid
Also known as: 3,5-Dinitrobenzoic acid, DNBA, 3,5-dinitro-benzoic acid, 3-carboxy-1,5-dinitrobenzene, dinitrobenzoic acid, MFCD00007253, EINECS 202-751-1, 3,5-di-NO2PhCOOH, Benzoic acid, 3,5-dinitro-
3,5-Dinitrobenzoic acid (CAS 99-34-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H4N2O6 and a molecular weight of 212.117 g/mol. Key properties include a melting point of 204-206 °C(lit.), a boiling point of 395.5±32.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 179.2±13.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 99-34-3
- Jingsj CID
- J-29495-1
- Molecular Formula
- C7H4N2O6
- Molecular Weight
- 212.117 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 204-206 °C(lit.) |
|---|---|
| Boiling Point | 395.5±32.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 179.2±13.6 °C |
| Exact Mass | 212.006943 |
| PSA | 128.94000 |
| LogP | 1.69 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.658 |
| Additional Property | 1350 mg/L (25 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
- H413
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 3,5-Dinitrobenzoic acid?
The CAS number of 3,5-Dinitrobenzoic acid is 99-34-3.
What are the molecular formula and molecular weight of 3,5-Dinitrobenzoic acid?
3,5-Dinitrobenzoic acid has molecular formula C7H4N2O6 and molecular weight 212.117 g/mol.
Is 3,5-Dinitrobenzoic acid hazardous?
3,5-Dinitrobenzoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 3,5-Dinitrobenzoic acid?
For 3,5-Dinitrobenzoic acid, Upstream Products: benzoic acid, Methyl 3,5-dinitrobenzoate, Ethyl 3,5-dinitrobenzoate; Downstream Products: Methyl 3-hydroxy-5-nitrobenzoate, 3-Methoxy-5-nitrobenzaldehyde, (S)-(+)-1-Phenylethyl 3,5-dinitrobenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,5-Dinitrobenzoic acid (CAS 99-34-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29495-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.