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disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate]

Basic information Safety Supplier Related

disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate] Basic information

Product Name:
disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate]
Synonyms:
  • disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate]
  • Benzenesulfonic acid, 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, disodium salt
  • C.I. Acid Yellow 56
  • disodium,3-chloro-4-[4-[[4-[[4-[[1-(2-chloro-6-methyl-4-sulfonatophenyl)-3-methyl-5-oxo-4H-pyrazol-4-yl]diazenyl]phenyl]-phenylmethyl]phenyl]diazenyl]-3-methyl-5-oxo-4H-pyrazol-1-yl]-5-methylbenzenesulfonate
  • Acid Yellow 56
  • C.I.Acid Yellow 56:C.I.24825
CAS:
6548-24-9
MF:
C41H32Cl2N8Na2O8S2
MW:
945.75712
EINECS:
229-467-0
Mol File:
6548-24-9.mol
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disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate] Chemical Properties

EPA Substance Registry System
Benzenesulfonic acid, 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methyl-, disodium salt (6548-24-9)
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disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate] Usage And Synthesis

Preparation

4-((4-Ammophenyl)(phenyl)methyl)benzenamine double nitriding, and 1-(2-Methyl-4-sulfo-6-chlorophenyl)-3-methyl-5-pyrazolone?(2 Moore) coupled.

Properties and Applications

yellow. Used for wool, silk, polyamide fiber dyeing, also used in leather dyeing and manufacturing organic pigments.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 4-5 4-5 4-5 4-5 4-5

disodium 4,4'-[(phenylmethylene)bis[4,1-phenyleneazo(4,5-dihydro-3-methyl-5-oxo-1H-pyrazole-4,1-diyl)]]bis[3-chloro-5-methylbenzenesulphonate] Supplier