4,6-Dichloro-5-methoxypyrimidine

4,6-二氯-5-甲氧基嘧啶

Also known as: 5-Methoxy-4,6-dichloropyrimidine, 4,6-Dichloro-5-methoxy-1,3-diazine, Pyrimidine, 4,6-dichloro-5-methoxy-, 4,6-Dichlor-5-methoxypyrimidin, 4,6-Dichloro-5-methoxypyrimidine 99%

4,6-Dichloro-5-methoxypyrimidine (CAS 5018-38-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4Cl2N2O and a molecular weight of 179.004 g/mol. It is also known as 5-Methoxy-4,6-dichloropyrimidine, 4,6-Dichloro-5-methoxy-1,3-diazine and Pyrimidine, 4,6-dichloro-5-methoxy-. Key properties include a melting point of 66-68ºC, a boiling point of 257.8±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 109.7±25.9 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5018-38-2
Jingsj CID
J-1437074-6
Molecular Formula
C5H4Cl2N2O
Chinese Name
4,6-二氯-5-甲氧基嘧啶
Molecular Weight
179.004 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point66-68ºC
Boiling Point257.8±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point109.7±25.9 °C

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4,6-Dichloro-5-methoxypyrimidine?

The CAS number of 4,6-Dichloro-5-methoxypyrimidine is 5018-38-2.

What are the molecular formula and molecular weight of 4,6-Dichloro-5-methoxypyrimidine?

4,6-Dichloro-5-methoxypyrimidine has molecular formula C5H4Cl2N2O and molecular weight 179.004 g/mol.

Is 4,6-Dichloro-5-methoxypyrimidine hazardous?

4,6-Dichloro-5-methoxypyrimidine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4,6-Dichloro-5-methoxypyrimidine (CAS 5018-38-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1437074-6 (accessed 2026-10-22).

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