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4-(4-Formylphenoxy)benzonitrile

Also known as: 4-(4-cyano-phenoxy)-benzaldehyde, 4-(4-formyl-phenoxy)-benzonitrile, Benzonitrile, 4-(4-formylphenoxy)-, Benzonitrile,4-(4-formylphenoxy), 4-(4-Formylphenoxy)benzonitrile

4-(4-Formylphenoxy)benzonitrile (CAS 90178-71-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H9NO2 and a molecular weight of 223.22700 g/mol. Key properties include a melting point of 88-93ºC, a boiling point of 391.5ºC at 760 mmHg, a density of 1.24g/cm3 and a flash point of 171.3ºC. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90178-71-5
Jingsj CID
J-1351048-0
Molecular Formula
C14H9NO2
Molecular Weight
223.22700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point88-93ºC
Boiling Point391.5ºC at 760 mmHg
Density1.24g/cm3
Flash Point171.3ºC
Exact Mass223.06300
PSA50.09000
LogP3.16308
Refractive Index1.615

GHS Safety & Compliance

IrritantSignal word: Warning
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation

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-(4-Formylphenoxy)benzonitrile?

The CAS number of 4-(4-Formylphenoxy)benzonitrile is 90178-71-5.

What are the molecular formula and molecular weight of 4-(4-Formylphenoxy)benzonitrile?

4-(4-Formylphenoxy)benzonitrile has molecular formula C14H9NO2 and molecular weight 223.22700 g/mol.

Is 4-(4-Formylphenoxy)benzonitrile hazardous?

4-(4-Formylphenoxy)benzonitrile has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 4-(4-Formylphenoxy)benzonitrile?

For 4-(4-Formylphenoxy)benzonitrile, Upstream Products: 4-Fluorobenzonitrile, 4-Hydroxybenzaldehyde, 4-Fluorobenzaldehyde; Downstream Products: 4-(4-Cyanophenoxy)benzoic acid, p-Amidinophenyl p-(6-amidino-2-indolyl)phenyl ether dihydrochloride.

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-(4-Formylphenoxy)benzonitrile (CAS 90178-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1351048-0 (accessed 2026-11-09).

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