4-Chlorophthalonitrile

Also known as: 4-chloro-1,2-dicyanobenzene, 1,2-Benzenedicarbonitrile, 4-chloro-, 4-chlorobenzene-1,2-dicarbonitrile, 4-Chlor-phthalonitril, 4-Cl-phthalodinitrile, 4-chloro-phthalonitrile, 4-chlorophthalic acid dinitrile, Einecs 241-635-5

4-Chlorophthalonitrile (CAS 17654-68-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H3ClN2 and a molecular weight of 162.57600 g/mol. Key properties include a boiling point of 306.4ºC at 760mmHg, a density of 1.34g/cm3 and a flash point of 144ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17654-68-1
Jingsj CID: J-1506183-3
Molecular Formula: C₈H₃ClN₂
Molecular Weight: 162.57600 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	306.4ºC at 760mmHg
Density	1.34g/cm3
Flash Point	144ºC
Exact Mass	161.99800
PSA	47.58000
LogP	2.08336
Vapor Pressure	0.000775mmHg at 25°C
Refractive Index	1.586

Customs & Trade Information

HS Code	2926909090
Summary	HS: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-Chlorophthalonitrile?

The CAS number of 4-Chlorophthalonitrile is 17654-68-1.

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

4-Chlorophthalonitrile has molecular formula C8H3ClN2 and molecular weight 162.57600 g/mol.

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

For 4-Chlorophthalonitrile, Upstream Products: 1,6-Dichlorophthalazine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Chlorophthalonitrile (CAS 17654-68-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1506183-3 (accessed 2026-11-09).

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