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1,2-Dichlorobenzene

Also known as: o-Dichlorobenzene, ortho-Dichlorobenzene, 1,2-dichlorobenzene, DCB, ODCB, Chloroben, Dizene, Termitkil

1,2-Dichlorobenzene (CAS 95-50-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2 and a molecular weight of 147.002 g/mol. Key properties include a melting point of -15 °C, a boiling point of 180.5±0.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 65.6±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, 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.
95-50-1
Jingsj CID
J-30613-3
Molecular Formula
C6H4Cl2
Molecular Weight
147.002 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-15 °C
Boiling Point180.5±0.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point65.6±0.0 °C
Exact Mass145.969009
LogP3.28
Additional Property5.1 (vs air)
Vapor Pressure1.2±0.3 mmHg at 25°C
Refractive Index1.549
Additional Property0.13 g/L (20 ºC)

GHS Safety & Compliance

Flammable / Acute Toxicity / Health HazardSignal word: Danger
  • H225 — Highly flammable liquid and vapour
  • H301 — Toxic if swallowed
  • H311 — Toxic in contact with skin
  • H331 — Toxic if inhaled
  • H370 — Causes damage to organs
  • H412 — Harmful to aquatic life with long lasting effects

Customs & Trade Information

HS Code2903999090
Summary2903999090 halogenated derivatives of aromatic hydrocarbons 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-Dichlorobenzene?

The CAS number of 1,2-Dichlorobenzene is 95-50-1.

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

1,2-Dichlorobenzene has molecular formula C6H4Cl2 and molecular weight 147.002 g/mol.

Is 1,2-Dichlorobenzene hazardous?

1,2-Dichlorobenzene has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H301 — Toxic if swallowed; H311 — Toxic in contact with skin.

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

For 1,2-Dichlorobenzene, Upstream Products: 1,2,4,5-Tetrachlorobenzene, 2-Bromochlorobenzene, 1-chloro-2-nitrobenzene; Downstream Products: 2,6-Dichlorobenzoxazole, 2,3,3',4,4',5-Hexachlorobiphenyl, Propane-1,3-diyl bis(4-aminobenzoate).

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-Dichlorobenzene (CAS 95-50-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30613-3 (accessed 2026-11-06).

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