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

Modify Date: 2025-09-13 10:14:55

2,4-dihydro-2-(3-hydroxyphenyl)-5-methyl-4-[[4-(phenylazo)phenyl]azo]-3H-pyrazol-3-one structure	Common Name	2,4-dihydro-2-(3-hydroxyphenyl)-5-methyl-4-[[4-(phenylazo)phenyl]azo]-3H-pyrazol-3-one
	CAS Number	21519-06-2	Molecular Weight	398.41700
	Density	1.32g/cm3	Boiling Point	651.7ºC at 760 mmHg
	Molecular Formula	C₂₂H₁₈N₆O₂	Melting Point	N/A
	MSDS	N/A	Flash Point	348ºC

Name	2-(3-hydroxyphenyl)-5-methyl-4-[(4-phenyldiazenylphenyl)diazenyl]-4H-pyrazol-3-one
Synonym	More Synonyms

Density	1.32g/cm3
Boiling Point	651.7ºC at 760 mmHg
Molecular Formula	C₂₂H₁₈N₆O₂
Molecular Weight	398.41700
Flash Point	348ºC
Exact Mass	398.14900
PSA	102.34000
LogP	5.18320
Vapour Pressure	1.38E-17mmHg at 25°C
Index of Refraction	1.687

einecs 244-416-2

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