5-(3,4-dichlorophenyl)furan-2-carbonitrile

5-(3,4-二氯苯基)-2-糠腈

Also known as: 5-(3,4-Dichlorophenyl)-2-furonitrile, 5-(3,4-dichlorophenyl)furan-2-carbonitrile, 2-Furancarbonitrile, 5-(3,4-dichlorophenyl)-, 5-(3,4-Dichloro-phenyl)-furan-2-carbonitrile

5-(3,4-dichlorophenyl)furan-2-carbonitrile (CAS 57666-68-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H5Cl2NO and a molecular weight of 238.06900 g/mol. It is also known as 5-(3,4-Dichlorophenyl)-2-furonitrile, 2-Furancarbonitrile, 5-(3,4-dichlorophenyl)- and 5-(3,4-Dichloro-phenyl)-furan-2-carbonitrile. Key properties include a melting point of 155-159ºC(lit.), a boiling point of 357.4ºC at 760 mmHg, a density of 1.44g/cm3 and a flash point of 170ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H318 — Causes serious eye damage and H400 — Very toxic to aquatic life. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
57666-68-9
Jingsj CID
J-28279-8
Molecular Formula
C11H5Cl2NO
Chinese Name
5-(3,4-二氯苯基)-2-糠腈
Molecular Weight
238.06900 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155-159ºC(lit.)
Boiling Point357.4ºC at 760 mmHg
Density1.44g/cm3
Flash Point170ºC
Exact Mass236.97500
PSA36.93000
LogP4.12508
Refractive Index1.624

GHS Safety & Compliance

Corrosion / Acute Toxicity / Environmental HazardSignal word: Danger
  • H301 — Toxic if swallowed
  • H318 — Causes serious eye damage
  • H400 — Very toxic to aquatic life

Frequently Asked Questions

What is the CAS number of 5-(3,4-dichlorophenyl)furan-2-carbonitrile?

The CAS number of 5-(3,4-dichlorophenyl)furan-2-carbonitrile is 57666-68-9.

What are the molecular formula and molecular weight of 5-(3,4-dichlorophenyl)furan-2-carbonitrile?

5-(3,4-dichlorophenyl)furan-2-carbonitrile has molecular formula C11H5Cl2NO and molecular weight 238.06900 g/mol.

Is 5-(3,4-dichlorophenyl)furan-2-carbonitrile hazardous?

5-(3,4-dichlorophenyl)furan-2-carbonitrile has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H318 — Causes serious eye damage; H400 — Very toxic to aquatic life.

What are the upstream and downstream products of 5-(3,4-dichlorophenyl)furan-2-carbonitrile?

For 5-(3,4-dichlorophenyl)furan-2-carbonitrile, Upstream Products: Furfural, 3,4-Dichloroaniline, 5-(3,4-Dichlorophenyl)furan-2-carbaldehyde.

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

Last updated:

How to cite: Jingsj. "5-(3,4-dichlorophenyl)furan-2-carbonitrile (CAS 57666-68-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28279-8 (accessed 2026-10-28).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.