4-Hydroxy-2-(trifluoromethyl)pyrimidine

4-羟基-2-三氟甲基嘧啶

Also known as: 2-(Trifluoromethyl)pyrimidin-4-ol, 2-(Trifluoromethyl)-4(3H)-pyrimidinone, 2-Trifluoromethyl-4(1H)-pyrimidinone, 2-Trifluoromethyl-4-hydroxypyrimidine, 2-(Trifluoromethyl)-1H-pyrimidin-6-one, 4-Hydroxy-2-trifluoromethylpyrimidine

4-Hydroxy-2-(trifluoromethyl)pyrimidine (CAS 1546-80-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3F3N2O and a molecular weight of 164.08500 g/mol. It is also known as 2-(Trifluoromethyl)pyrimidin-4-ol, 2-(Trifluoromethyl)-4(3H)-pyrimidinone and 2-Trifluoromethyl-4(1H)-pyrimidinone. Key properties include a melting point of 168-171°C, a boiling point of 140.9ºC at 760 mmHg, a density of 1.55 g/cm3 and a flash point of 39ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1546-80-1
Jingsj CID
J-11092-3
Molecular Formula
C5H3F3N2O
Chinese Name
4-羟基-2-三氟甲基嘧啶
Molecular Weight
164.08500 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point168-171°C
Boiling Point140.9ºC at 760 mmHg
Density1.55 g/cm3
Flash Point39ºC
Exact Mass164.02000
PSA46.01000
LogP1.20100
Vapor Pressure4.797mmHg at 25°C
Refractive Index1.456

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-Hydroxy-2-(trifluoromethyl)pyrimidine?

The CAS number of 4-Hydroxy-2-(trifluoromethyl)pyrimidine is 1546-80-1.

What are the molecular formula and molecular weight of 4-Hydroxy-2-(trifluoromethyl)pyrimidine?

4-Hydroxy-2-(trifluoromethyl)pyrimidine has molecular formula C5H3F3N2O and molecular weight 164.08500 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Hydroxy-2-(trifluoromethyl)pyrimidine (CAS 1546-80-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-11092-3 (accessed 2026-10-28).

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