2,4-Dichloropyrimidine

2,4-二氯嘧啶

Also known as: 2,4-Dichlorpyrimidin, 2,4-dichloro-pyrimidin, 2,4-dichloro-pyrimidine, 2,4-DICHLOROPYRIMIDINE, 2,4-DICHLORO PYRIMIDINE, NSC 49119, NSC 37531, AI3-26561, NSC 20212, AKOS 91058, MFCD00006061, EINECS 223-508-6, Pyrimidine, 2,4-dichloro-

2,4-Dichloropyrimidine (CAS 3934-20-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2Cl2N2 and a molecular weight of 148.978 g/mol. It is also known as 2,4-Dichlorpyrimidin, 2,4-dichloro-pyrimidin and 2,4-dichloro-pyrimidine. Key properties include a melting point of 57-61 °C(lit.), a boiling point of 209.1±0.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 104.3±5.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3934-20-1
Jingsj CID
J-1090332-8
Molecular Formula
C4H2Cl2N2
Chinese Name
2,4-二氯嘧啶
Molecular Weight
148.978 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point57-61 °C(lit.)
Boiling Point209.1±0.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point104.3±5.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,4-Dichloropyrimidine?

The CAS number of 2,4-Dichloropyrimidine is 3934-20-1.

What are the molecular formula and molecular weight of 2,4-Dichloropyrimidine?

2,4-Dichloropyrimidine has molecular formula C4H2Cl2N2 and molecular weight 148.978 g/mol.

Is 2,4-Dichloropyrimidine hazardous?

2,4-Dichloropyrimidine 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. "2,4-Dichloropyrimidine (CAS 3934-20-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1090332-8 (accessed 2026-10-22).

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