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4-Cyanobiphenyl

Also known as: 4-Phenylbenzonitrile, 4-Biphenylcarbonitrile, 4-Cyanodiphenyl, Biphenyl-4-carbonitrile, p-Cyanobiphenyl, 4-Diphenylcarbonitrile, 4-phenylbenzenecarbonitrile

4-Cyanobiphenyl (CAS 2920-38-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C13H9N and a molecular weight of 179.217 g/mol. Key properties include a melting point of 85-87 °C(lit.), a boiling point of 332.3±21.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 155.5±14.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H312 — Harmful in contact with skin and H332 — Harmful if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2920-38-9
Jingsj CID
J-3694-2
Molecular Formula
C13H9N
Molecular Weight
179.217 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point85-87 °C(lit.)
Boiling Point332.3±21.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point155.5±14.6 °C
Exact Mass179.073502
PSA23.79000
LogP3.29
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.616
Additional Propertylimited soluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H312 — Harmful in contact with skin
  • H332 — Harmful if inhaled

Customs & Trade Information

HS Code2926909090
SummaryHS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Cyanobiphenyl?

The CAS number of 4-Cyanobiphenyl is 2920-38-9.

What are the molecular formula and molecular weight of 4-Cyanobiphenyl?

4-Cyanobiphenyl has molecular formula C13H9N and molecular weight 179.217 g/mol.

Is 4-Cyanobiphenyl hazardous?

4-Cyanobiphenyl has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H312 — Harmful in contact with skin; H332 — Harmful if inhaled.

What are the upstream and downstream products of 4-Cyanobiphenyl?

For 4-Cyanobiphenyl, Upstream Products: 4-Chlorobenzonitrile, Phenyltrimethoxysilane, Phenylboronic acid; Downstream Products: 4'-Aminobiphenyl-4-carbonitrile, 4'-Nitro-[1,1'-biphenyl]-4-carbonitrile, 4-Cyano-2'-nitrodiphenyl.

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

Last updated:

How to cite: Jingsj. "4-Cyanobiphenyl (CAS 2920-38-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3694-2 (accessed 2026-11-06).

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