Skip to main content

4,5,6-Trichloropyrimidine

Also known as: 4,5,6-Trichloropyrimidine, 4,5,6-Trichloro-1,3-diazine, Pyrimidine, 4,5,6-trichloro-

4,5,6-Trichloropyrimidine (CAS 1780-27-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4HCl3N2 and a molecular weight of 183.423 g/mol. Key properties include a melting point of 49.0-51.0ºC, a boiling point of 261.2±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 137.0±11.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1780-27-4
Jingsj CID
J-1029080-9
Molecular Formula
C4HCl3N2
Molecular Weight
183.423 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point49.0-51.0ºC
Boiling Point261.2±35.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point137.0±11.5 °C
Exact Mass181.920532
PSA25.78000
LogP1.84
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.579

Customs & Trade Information

HS Code2933599090
Summary2933599090. 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 4,5,6-Trichloropyrimidine?

The CAS number of 4,5,6-Trichloropyrimidine is 1780-27-4.

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

4,5,6-Trichloropyrimidine has molecular formula C4HCl3N2 and molecular weight 183.423 g/mol.

What are the upstream and downstream products of 4,5,6-Trichloropyrimidine?

For 4,5,6-Trichloropyrimidine, Upstream Products: 4,6-Dihydroxypyrimidine, 4,6-Dichloro-5-nitropyrimidine, 5,6-dichloropyrimidin-4-ol; Downstream Products: 4,5,6-trifluoropyrimidine, 5-chloro-4,6-difluoropyrimidine.

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

Last updated:

How to cite: Jingsj. "4,5,6-Trichloropyrimidine (CAS 1780-27-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029080-9 (accessed 2026-11-09).

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