2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one

颜料橙6

Also known as: 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-2-phenyl-, 5-methyl-4-[(4-methyl-2-nitrophenyl)diazenyl]-2-phenyl-4H-pyrazol-3-one, C.I. 12730, EINECS 229-041-4

2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one (CAS 6407-77-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C17H15N5O3 and a molecular weight of 337.33300 g/mol. It is also known as 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-2-nitrophenyl)diazenyl]-2-phenyl-, 5-methyl-4-[(4-methyl-2-nitrophenyl)diazenyl]-2-phenyl-4H-pyrazol-3-one and C.I. 12730. Key properties include a boiling point of 560.4ºC at 760 mmHg, a density of 1.36g/cm3 and a flash point of 292.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6407-77-8
Jingsj CID
J-1339844-2
Molecular Formula
C17H15N5O3
Chinese Name
颜料橙6
Molecular Weight
337.33300 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point560.4ºC at 760 mmHg
Density1.36g/cm3
Flash Point292.7ºC

Frequently Asked Questions

What is the CAS number of 2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one?

The CAS number of 2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one is 6407-77-8.

What are the molecular formula and molecular weight of 2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one?

2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one has molecular formula C17H15N5O3 and molecular weight 337.33300 g/mol.

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

Last updated:

How to cite: Jingsj. "2,4-dihydro-5-methyl-4-[(4-methyl-2-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one (CAS 6407-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1339844-2 (accessed 2026-10-24).

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