1,2-Dichloro-4-nitrobenzene
Also known as: 3,4-Dichloronitrobenzene, DCNB, 1-Nitro-3,4-dichlorobenzene, Benzene, 1,2-dichloro-4-nitro-
1,2-Dichloro-4-nitrobenzene (CAS 99-54-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl2NO2 and a molecular weight of 191.999 g/mol. Key properties include a melting point of 39-41 °C(lit.), a boiling point of 255.5±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 123.9±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 99-54-7
- Jingsj CID
- J-1525378-1
- Molecular Formula
- C6H3Cl2NO2
- Molecular Weight
- 191.999 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 39-41 °C(lit.) |
|---|---|
| Boiling Point | 255.5±0.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 123.9±0.0 °C |
| Exact Mass | 190.954086 |
| PSA | 45.82000 |
| LogP | 3.16 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.596 |
| Additional Property | 151 mg/L (20 ºC) |
| Additional Property | 30~31℃ |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2904909090 |
|---|---|
| Summary | HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2-Dichloro-4-nitrobenzene?
The CAS number of 1,2-Dichloro-4-nitrobenzene is 99-54-7.
What are the molecular formula and molecular weight of 1,2-Dichloro-4-nitrobenzene?
1,2-Dichloro-4-nitrobenzene has molecular formula C6H3Cl2NO2 and molecular weight 191.999 g/mol.
Is 1,2-Dichloro-4-nitrobenzene hazardous?
1,2-Dichloro-4-nitrobenzene has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 1,2-Dichloro-4-nitrobenzene?
For 1,2-Dichloro-4-nitrobenzene, Upstream Products: 1,2-Dichlorobenzene, 1,2,3-Trichlorobenzene, nitrobenzene; Downstream Products: 3,4-Difluoronitrobenzene, 2-Chloro-1-fluoro-4-nitrobenzene, Nucleozin.
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-Dichloro-4-nitrobenzene (CAS 99-54-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525378-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.