1,4-Dinitrobenzene

Also known as: p-Dinitrobenzene, para-Dinitrobenzene, 1,4-Dinitrobenzene-14N,14N

1,4-Dinitrobenzene (CAS 100-25-4) 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 170-173 °C(lit.), a boiling point of 299.9±13.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 154.4±12.6 °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.: 100-25-4
Jingsj CID: J-38069-8
Molecular Formula: C₆H₄N₂O₄
Molecular Weight: 168.107 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	170-173 °C(lit.)
Boiling Point	299.9±13.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	154.4±12.6 °C
Exact Mass	168.017105
PSA	91.64000
LogP	1.37
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.612

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

Frequently Asked Questions

What is the CAS number of 1,4-Dinitrobenzene?

The CAS number of 1,4-Dinitrobenzene is 100-25-4.

What are the molecular formula and molecular weight of 1,4-Dinitrobenzene?

1,4-Dinitrobenzene has molecular formula C6H4N2O4 and molecular weight 168.107 g/mol.

Is 1,4-Dinitrobenzene hazardous?

1,4-Dinitrobenzene has GHS signal word Danger and hazard statements H300; H310; H330 — Fatal if inhaled.

What are the upstream and downstream products of 1,4-Dinitrobenzene?

For 1,4-Dinitrobenzene, Upstream Products: p-Phenylenediamine, benzene, 1,4-Dinitrosobenzene; Downstream Products: p-Phenylenediamine, 1-Fluoro-4-nitrobenzene, 4-Nitrothioanisole.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,4-Dinitrobenzene (CAS 100-25-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38069-8 (accessed 2026-11-09).

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