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Acid Yellow 4R

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Acid Yellow 4R Basic information

Product Name:
Acid Yellow 4R
Synonyms:
  • Acid Yellow 4R
  • dihydrogen bis[2-[[5-(aminosulphonyl)-2-hydroxyphenyl]azo]-3-oxo-N-phenylbutyramidato(2-)]cobaltate(2-)
  • AcidyellowNW
  • Cobaltate(2-), bis2-5-(aminosulfonyl)-2-(hydroxy-.kappa.O)phenylazo-.kappa.N1-3-(oxo-.kappa.O)-N-phenylbutanamidato(2-)-, dihydrogen
  • cobaltate(2-), bis[2-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-3-oxo-n-phenylbut
  • Cobaltate(2-), bis[2-[[5-(aminosulfonyl)-2-hydroxyphenyl]azo]-3-oxo-N-phenylbutanamidato(2-)]-, dihydrogen
  • Yellow LNW
  • Acid Yellow 151
CAS:
12715-61-6
MF:
C32H29CoN8O10S2-
MW:
808.68
EINECS:
235-786-6
Product Categories:
  • Dyes and Pigments
  • Organometallics
Mol File:
12715-61-6.mol
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Acid Yellow 4R Chemical Properties

EPA Substance Registry System
C.I. Acid Yellow 151 (12715-61-6)
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Acid Yellow 4R Usage And Synthesis

Preparation

3-Amino-4-hydroxybenzenesulfonamide diazo, and 3-Oxo-N-phenylbutanamide coupling, and then into a 2-1 cobalt complex. Structure and the C.I.Acid Yellow 128 ?the same.

Properties and Applications

brilliant yellow.brown uniform powder, soluble in water, solubility of 50 g/L (80 ℃). The strong sulfuric acid for yellow, diluted light yellow solution; In the thick of sodium hydroxide solution for yellow, diluted light yellow. Its water solution for light yellow. Can be used for wool, silk, nylon, polyvinyl alcohol and dimension/cotton, wool/viscose blended dyed in the wool, silk and nylon fabric printing directly, can also be used for leather coloring.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
AATCC 5 3 2-3 5 4-5 5

Acid Yellow 4RSupplier

Winchem Industrial Co. Ltd
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Shanghai JONLN Reagent Co., Ltd.
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Hangzhou Sunshine Chemicals Co., Ltd
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