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1-Chloro-2-fluorobenzene

Also known as: 2-Chlorofluorobenzene, o-Chlorofluorobenzene, 2-Fluorochlorobenzene, 1-Fluoro-2-chlorobenzene, 2-Fluorophenyl chloride, o-Fluorochlorobenzene, 1,2-chlorofluorobenzene, Benzene, 1-chloro-2-fluoro-

1-Chloro-2-fluorobenzene (CAS 348-51-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4ClF and a molecular weight of 130.547 g/mol. Key properties include a melting point of −43-−42 °C(lit.), a boiling point of 136.2±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 31.1±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.
348-51-6
Jingsj CID
J-1373994-1
Molecular Formula
C6H4ClF
Molecular Weight
130.547 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point−43-−42 °C(lit.)
Boiling Point136.2±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point31.1±0.0 °C
Exact Mass129.998550
LogP2.97
Vapor Pressure9.2±0.2 mmHg at 25°C
Refractive Index1.502
Storage ConditionsFlammables area

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

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-Chloro-2-fluorobenzene?

The CAS number of 1-Chloro-2-fluorobenzene is 348-51-6.

What are the molecular formula and molecular weight of 1-Chloro-2-fluorobenzene?

1-Chloro-2-fluorobenzene has molecular formula C6H4ClF and molecular weight 130.547 g/mol.

Is 1-Chloro-2-fluorobenzene hazardous?

1-Chloro-2-fluorobenzene 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-Chloro-2-fluorobenzene?

For 1-Chloro-2-fluorobenzene, Upstream Products: 2-Chloroaniline, 1,2-Dichlorobenzene, Chlorobenzene; Downstream Products: 2-Fluorophenol, Fluorobenzene, 3-Fluoroaniline.

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-fluorobenzene (CAS 348-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1373994-1 (accessed 2026-11-09).

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