2-Chloro-1,4-phenylenediamine

Also known as: 1,4-Benzenediamine, 2-chloro-, 1,4-diamino-2-chlorobenzene, 2-Chloro-1,4-benzenediamine, 2-Chloro-p-phenylene diamine, 2-chlorobenzene-1,4-diamine, 3-chloro-p-phenylenediamine, C.I. 76065, Ursol Brown O

2-Chloro-1,4-phenylenediamine (CAS 615-66-7) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H7ClN2 and a molecular weight of 142.586 g/mol. Key properties include a melting point of 62-66ºC, a boiling point of 287.9±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 127.9±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 615-66-7
Jingsj CID: J-11696-1
Molecular Formula: C₆H₇ClN₂
Molecular Weight: 142.586 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	62-66ºC
Boiling Point	287.9±20.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	127.9±21.8 °C
Exact Mass	142.029770
PSA	52.04000
LogP	0.57
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.671

Customs & Trade Information

HS Code	2921519090
Summary	2921519090. o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2-Chloro-1,4-phenylenediamine?

The CAS number of 2-Chloro-1,4-phenylenediamine is 615-66-7.

What are the molecular formula and molecular weight of 2-Chloro-1,4-phenylenediamine?

2-Chloro-1,4-phenylenediamine has molecular formula C6H7ClN2 and molecular weight 142.586 g/mol.

What are the upstream and downstream products of 2-Chloro-1,4-phenylenediamine?

For 2-Chloro-1,4-phenylenediamine, Upstream Products: 2-Chloro-4-nitroaniline, 4-Bromo-2-chloroaniline, 2-Chloro-1,4-dinitrobenzene; Downstream Products: 2-Chloro-1,4-benzoquinone, 5-methoxy-4,7-phenanthroline.

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. "2-Chloro-1,4-phenylenediamine (CAS 615-66-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11696-1 (accessed 2026-11-09).

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