6-Chloropyrimidine-2,4-diamine

2,4-二氨基-6-氯嘧啶

Also known as: 2,4-Diamino-6-chloropyrimidine, 4-Chloro-2,6-diaminopyrimidine, 6-Chloro-2,4-diaminopyrimidine, 2,4-Pyrimidinediamine, 6-chloro-, 6-Chloro-2,4-pyrimidinediamine, 4-Chloro-2,6-pyrimidinediamine, NSC 8818

6-Chloropyrimidine-2,4-diamine (CAS 156-83-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H5ClN4 and a molecular weight of 144.562 g/mol. It is also known as 2,4-Diamino-6-chloropyrimidine, 4-Chloro-2,6-diaminopyrimidine and 6-Chloro-2,4-diaminopyrimidine. Key properties include a melting point of 199-202 °C(lit.), a boiling point of 438.3±48.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 218.9±29.6 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
156-83-2
Jingsj CID
J-1314560-0
Molecular Formula
C4H5ClN4
Chinese Name
2,4-二氨基-6-氯嘧啶
Molecular Weight
144.562 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point199-202 °C(lit.)
Boiling Point438.3±48.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point218.9±29.6 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 6-Chloropyrimidine-2,4-diamine?

The CAS number of 6-Chloropyrimidine-2,4-diamine is 156-83-2.

What are the molecular formula and molecular weight of 6-Chloropyrimidine-2,4-diamine?

6-Chloropyrimidine-2,4-diamine has molecular formula C4H5ClN4 and molecular weight 144.562 g/mol.

Is 6-Chloropyrimidine-2,4-diamine hazardous?

6-Chloropyrimidine-2,4-diamine has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "6-Chloropyrimidine-2,4-diamine (CAS 156-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1314560-0 (accessed 2026-10-22).

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