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1,2-Dinitrobenzene

Also known as: o-Dinitrobenzene, ortho-Dinitrobenzene, 1,2-dinitro-benzene, Benzene, 1,2-dinitro-, Dinitrobenzene, o-, EINECS 208-431-8, MFCD00007093, dinitrobenzene

1,2-Dinitrobenzene (CAS 528-29-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4N2O4 and a molecular weight of 168.107 g/mol. Key properties include a melting point of 116 °C, a boiling point of 319.9±15.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 169.2±13.2 °C. It is classified under GHS with signal word Danger and hazard statements H300, H310 and H330 — Fatal if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
528-29-0
Jingsj CID
J-38072-3
Molecular Formula
C6H4N2O4
Molecular Weight
168.107 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point116 °C
Boiling Point319.9±15.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point169.2±13.2 °C
Exact Mass168.017105
PSA91.64000
LogP1.84
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.612
Additional Property150 mg/L (20 ºC)

GHS Safety & Compliance

Acute Toxicity / Health Hazard / Environmental HazardSignal word: Danger
  • H300
  • H310
  • H330 — Fatal if inhaled
  • H373 — May cause damage to organs through prolonged exposure
  • H410 — Very toxic to aquatic life with long lasting effects

Customs & Trade Information

HS Code2904209090
Summary2904209090 derivatives containing only nitro or only nitroso groups。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 1,2-Dinitrobenzene?

The CAS number of 1,2-Dinitrobenzene is 528-29-0.

What are the molecular formula and molecular weight of 1,2-Dinitrobenzene?

1,2-Dinitrobenzene has molecular formula C6H4N2O4 and molecular weight 168.107 g/mol.

Is 1,2-Dinitrobenzene hazardous?

1,2-Dinitrobenzene has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of 1,2-Dinitrobenzene?

For 1,2-Dinitrobenzene, Upstream Products: nitrobenzene, o-Phenylenediamine, 2-Nitroaniline; Downstream Products: Benzofuroxan, 1,2-Difluorobenzene, 1,2-Dibromobenzene.

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

Last updated:

How to cite: Jingsj. "1,2-Dinitrobenzene (CAS 528-29-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38072-3 (accessed 2026-11-09).

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