ChemicalBook > CAS DataBase List > 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one

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

Product Name
2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
CAS No.
4645-07-2
Chemical Name
2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
Synonyms
C.I. 127450;Solvent Yellow 72;4-[(2-Methoxyphenyl)azo]-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one;2,4-Dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 2,4-dihydro-4-[2-(2-m ethoxyphenyl)diazenyl]-5-methyl-2-p henyl-;TIANFU-CHEM 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
CBNumber
CB41451672
Molecular Formula
C17H16N4O2
Formula Weight
308.33
MOL File
4645-07-2.mol
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2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one Property

Melting point:
166-167 ºC
Boiling point:
505.3±45.0 °C(Predicted)
Density 
1.24
pka
1.35±0.70(Predicted)
EPA Substance Registry System
C.I. Solvent Yellow 72 (4645-07-2)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P321Specific treatment (see … on this label).

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P362Take off contaminated clothing and wash before reuse.

2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one Preparation Products And Raw materials

Raw materials

Preparation Products

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

China 11 India 20 United States 1 Global 32
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4645-07-2, 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-oneRelated Search:

Solvent Yellow 63 OIL YELLOW OB SOLVENT YELLOW 62 4-(2,4-DINITROANILINO)PHENOL 4-PHENYLAZOPHENOL 2,2'-[(Azobenzene-4-yl)imino]diethanol Tartrazine Solvent Yellow 51 Solvent Yellow 56 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one SALOR-INT L211036-1EA SALOR-INT L210978-1EA 4-[(2,4-dimethoxyphenyl)azo]-2,4-dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one 2,4-dihydro-4-[(2-hydroxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one

  • C.I. 127450
  • 2,4-Dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-pyrazol-3-one
  • Solvent Yellow 72
  • 4-[(2-Methoxyphenyl)azo]-5-methyl-2-phenyl-2H-pyrazol-3(4H)-one
  • 3H-Pyrazol-3-one, 2,4-dihydro-4-[2-(2-m ethoxyphenyl)diazenyl]-5-methyl-2-p henyl-
  • TIANFU-CHEM 2,4-dihydro-4-[(2-methoxyphenyl)azo]-5-methyl-2-phenyl-3H-Pyrazol-3-one
  • 4645-07-2