4,5-Dichloropyrimidine

Also known as: Pyrimidine, 4,5-dichloro-, Pyrimidine, 4,5-dichloro- (7CI,8CI,9CI), 4,5-Dichloropyrimidine

4,5-Dichloropyrimidine (CAS 6554-61-6) 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. Key properties include a boiling point of 219.7±20.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 107.6±7.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6554-61-6
Jingsj CID: J-976639-6
Molecular Formula: C₄H₂Cl₂N₂
Molecular Weight: 148.978 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	219.7±20.0 °C at 760 mmHg
Density	1.5±0.1 g/cm3
Flash Point	107.6±7.4 °C
Exact Mass	147.959503
PSA	25.78000
LogP	1.15
Vapor Pressure	0.2±0.4 mmHg at 25°C
Refractive Index	1.559
Storage Conditions	2-8°C

Customs & Trade Information

HS Code	2933599090
Summary	2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4,5-Dichloropyrimidine?

The CAS number of 4,5-Dichloropyrimidine is 6554-61-6.

What are the molecular formula and molecular weight of 4,5-Dichloropyrimidine?

4,5-Dichloropyrimidine has molecular formula C4H2Cl2N2 and molecular weight 148.978 g/mol.

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. "4,5-Dichloropyrimidine (CAS 6554-61-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-976639-6 (accessed 2026-11-09).

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