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1-chloro-2-nitrobenzene

Also known as: 2-nitrochlorobenzene, o-chloronitrobenzene, 2-chloronitrobenzene, o-nitrochlorobenzene, 1-nitro-2-chlorobenzene, ortho-chloronitrobenzene, ortho-nitrochlorobenzene, 2-chloro-1-nitrobenzene

1-chloro-2-nitrobenzene (CAS 88-73-3) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4ClNO2 and a molecular weight of 157.555 g/mol. Key properties include a melting point of 31-33 °C(lit.), a boiling point of 245.5±0.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 96.5±19.8 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed and H311 — Toxic in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88-73-3
Jingsj CID
J-944100-3
Molecular Formula
C6H4ClNO2
Molecular Weight
157.555 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point31-33 °C(lit.)
Boiling Point245.5±0.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point96.5±19.8 °C
Exact Mass156.993057
PSA45.82000
LogP2.34
Additional Property5.4 (vs air)
Vapor Pressure0.0±0.4 mmHg at 25°C
Refractive Index1.580
Additional Property0.43 g/L (20 ºC)

GHS Safety & Compliance

Acute ToxicitySignal word: Danger
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin

Customs & Trade Information

HS Code2904901100
Summary2904901100 1-chloro-2-nitrobenzene. Supervision conditions:None.VAT:17.0% Tax rebate rate:9.0%

Frequently Asked Questions

What is the CAS number of 1-chloro-2-nitrobenzene?

The CAS number of 1-chloro-2-nitrobenzene is 88-73-3.

What are the molecular formula and molecular weight of 1-chloro-2-nitrobenzene?

1-chloro-2-nitrobenzene has molecular formula C6H4ClNO2 and molecular weight 157.555 g/mol.

Is 1-chloro-2-nitrobenzene hazardous?

1-chloro-2-nitrobenzene has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

What are the upstream and downstream products of 1-chloro-2-nitrobenzene?

For 1-chloro-2-nitrobenzene, Upstream Products: 1-Bromo-2-nitrobenzene, 2-Chloroaniline, 2-Nitroaniline; Downstream Products: 2-chlorophenylhydroxylamine, 2-Chloroaniline, Diethyl (2-nitrophenyl)malonate.

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-chloro-2-nitrobenzene (CAS 88-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-944100-3 (accessed 2026-11-09).

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