Basic information Safety Supplier Related

sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate

Basic information Safety Supplier Related

sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Basic information

Product Name:
sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate
Synonyms:
  • Acid Fast Red W2G
  • Aminyl Red E-2G
  • C.I.Acid Orange 19
  • Egacid Red GG
  • Nylosan Scarlet 4G
  • Polan Scarlet E4G
  • Sellacid Red 2G
  • Suminol Fast Red GG
CAS:
3058-98-8
MF:
C23H18N3NaO6S2
MW:
519.52529
EINECS:
221-298-0
Product Categories:
  • Organics
Mol File:
3058-98-8.mol
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sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Chemical Properties

EPA Substance Registry System
1-Naphthalenesulfonic acid, 4-hydroxy-3-[[4-methyl-3-[(phenylamino)sulfonyl]phenyl]azo]-, monosodium salt (3058-98-8)
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sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Usage And Synthesis

Preparation

5-Amino-2-methyl-N-phenylbenzenesulfonamide?diazo, coupled with the 4-Hydroxynaphthalene-1-sulfonic acid.

Properties and Applications

red light orange. Soluble in water for palm orange, slightly soluble in ethanol and acetone, insoluble in other organic solvents. The strong sulfuric acid for purple, orange and brown after diluted to appear red purple precipitation. In water solution to join strong hydrochloric acid for orange brown; Add thick sodium hydroxide solution in red. Copper, iron ion in color shade darker. This product used for wool, silk, polyamide fiber and its blended fabric dyeing and printing, also can be used for leather color.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 4-5 3 2 3 1 2 3 3
AATCC 4 2 2 2-3 1 1 3 3

sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonate Preparation Products And Raw materials

Raw materials

sodium 4-hydroxy-3-[[3-(phenylsulphamoyl)-p-tolyl]azo]naphthalenesulphonateSupplier

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