5,6-Diphenyl-1,2,4-triazin-3(2H)-one

3-羟基-5,6-二苯基-1,2,4-三嗪

Also known as: 1,2,4-Triazin-3(2H)-one,5,6-diphenyl-, 3-HYDROXY-5,6-DIPHENYL-1,2,4-TRIAZINE, 5,6-DIPHENYL-3-HYDROXY-1,2,4-TRIAZINE, 5,6-DIPHENYL-1,2,4-TRIAZIN-3-OL, 5,6-Diphenyl-1,2,4-triazin-3-ol, 5,6-diphenyl-as-triazin-3(2h)-one, 5,6-diphenyl-as-triazin-3-ol, ai3-15232

5,6-Diphenyl-1,2,4-triazin-3(2H)-one (CAS 4512-00-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H11N3O and a molecular weight of 249.26700 g/mol. It is also known as 1,2,4-Triazin-3(2H)-one,5,6-diphenyl-, 3-HYDROXY-5,6-DIPHENYL-1,2,4-TRIAZINE and 5,6-DIPHENYL-3-HYDROXY-1,2,4-TRIAZINE. Key properties include a melting point of 224-225ºC, a boiling point of 476.4ºC at 760mmHg, a density of 1.24g/cm3 and a flash point of 241.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4512-00-9
Jingsj CID
J-1518994-7
Molecular Formula
C15H11N3O
Chinese Name
3-羟基-5,6-二苯基-1,2,4-三嗪
Molecular Weight
249.26700 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point224-225ºC
Boiling Point476.4ºC at 760mmHg
Density1.24g/cm3
Flash Point241.9ºC

Frequently Asked Questions

What is the CAS number of 5,6-Diphenyl-1,2,4-triazin-3(2H)-one?

The CAS number of 5,6-Diphenyl-1,2,4-triazin-3(2H)-one is 4512-00-9.

What are the molecular formula and molecular weight of 5,6-Diphenyl-1,2,4-triazin-3(2H)-one?

5,6-Diphenyl-1,2,4-triazin-3(2H)-one has molecular formula C15H11N3O and molecular weight 249.26700 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6-Diphenyl-1,2,4-triazin-3(2H)-one (CAS 4512-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518994-7 (accessed 2026-10-22).

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