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

Modify Date: 2025-08-30 13:24:13

2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one Structure
2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one structure
Common Name 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
CAS Number 4645-07-2 Molecular Weight 308.33500
Density 1.24 Boiling Point 505.3ºC at 760 mmHg
Molecular Formula C17H16N4O2 Melting Point 166-167ºC
MSDS N/A Flash Point 259.4ºC

 Names

Name 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.24
Boiling Point 505.3ºC at 760 mmHg
Melting Point 166-167ºC
Molecular Formula C17H16N4O2
Molecular Weight 308.33500
Flash Point 259.4ºC
Exact Mass 308.12700
PSA 66.62000
LogP 3.07080
Index of Refraction 1.63
InChIKey UXNFQAZIRFBOKO-UHFFFAOYSA-N
SMILES COc1ccccc1N=NC1C(=O)N(c2ccccc2)N=C1C

 Safety Information

HS Code 2933199090

 Customs

HS Code 2933199090
Summary 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

Solvent Yellow 72
1-phenyl-3-methyl-4-(2-methoxybenzeneazo)-5-pyrazolone
1-Phenyl-3-methyl-4-<2-methoxy-benzolazo>-5-pyrazolon
4-[(2-Methoxyphenyl)azo]-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one
5-methyl-2-phenyl-2H-pyrazole-3,4-dione 4-[(2-methoxy-phenyl)-hydrazone]
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