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

Product Name
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
CAS No.
82944-34-1
Chemical Name
2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
Synonyms
C.I.12731;Solvent Yellow 23;C.I.Solvent Yellow 23;C.I.Solvent Yellow 23:C.I.12731;2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one;3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-3-nitrophenyl)diazenyl]-2-phenyl-
CBNumber
CB42260842
Molecular Formula
C17H15N5O3
Formula Weight
337.33
MOL File
82944-34-1.mol
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2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one Property

Boiling point:
541.2±50.0 °C(Predicted)
Density 
1.36±0.1 g/cm3(Predicted)
pka
1.30±0.70(Predicted)
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Hazard and Precautionary Statements (GHS)

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2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one Chemical Properties,Usage,Production

Preparation

4-Methyl-3-nitrobenzenamine diazotization, and 3-Methyl-1-phenyl-1H-pyrazol-5(4H)-one coupling.

Properties and Applications

yellow. Used for esters solvent, acetate and methyl acrylic, polystyrene and amino plastic coloring.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO Excellent 200≥200

Sublimation

Well Dissolve

2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one Preparation Products And Raw materials

Raw materials

Preparation Products

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

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82944-34-1, 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-oneRelated Search:

Solvent Yellow 21 Solvent Yellow 28 SOLVENT YELLOW 30 Solvent Yellow 27 O-AMINOAZOTOLUENE 2,2'-[cyclohexylidenebis[(2-methyl-4,1-phenylene)azo]]bis[4-tert-butylphenol] SOLVENT YELLOW 29 Solvent Yellow 25:1 2-Hydroxy-5-[(2-methoxyphenyl)azo]benzoic acid Solvent Yellow 2

  • 2,4-Dihydro-5-methyl-4-[(4-methyl-3-nitrophenyl)azo]-2-phenyl-3H-pyrazol-3-one
  • C.I.12731
  • C.I.Solvent Yellow 23
  • Solvent Yellow 23
  • 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-4-[2-(4-methyl-3-nitrophenyl)diazenyl]-2-phenyl-
  • C.I.Solvent Yellow 23:C.I.12731
  • 82944-34-1