Basic information Safety Supplier Related

sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate

Basic information Safety Supplier Related

sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate Basic information

Product Name:
sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate
Synonyms:
  • sodium,5-[2-[2-(benzenesulfonyl)phenyl]hydrazinyl]-6-imino-4-oxonaphthalene-2-sulfonate
  • sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate
  • Acid Red 42
  • 2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-2-(phenylsulfonyl)phenylazo-, monosodium salt
  • Acid red 42 (C.I. 17070)
  • C.I. Acid Red 42
  • 6-Amino-4-hydroxy-5-[[2-(phenylsulfonyl)phenyl]azo]-2-naphthalenesulfonic acid sodium salt
  • C.I.17070
CAS:
6245-60-9
MF:
C22H16N3NaO6S2
MW:
505.49871
EINECS:
228-359-0
Mol File:
6245-60-9.mol
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sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate Chemical Properties

EPA Substance Registry System
2-Naphthalenesulfonic acid, 6-amino-4-hydroxy-5-[[2-(phenylsulfonyl)phenyl]azo]-, monosodium salt (6245-60-9)
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sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonate Usage And Synthesis

Preparation

2-(Phenylsulfonyl)benzenamine diazo, and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid? in acid conditions coupled.

Flammability and Explosibility

Non flammable

Properties and Applications

blue-ray red. Soluble in water for red, soluble in ethanol purplish red color. The strong sulfuric acid for dark purple, to orange diluted. In water solution to join strong hydrochloric acid have red brown precipitation; Add sodium hydroxide have purplish red precipitate

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 6 2 2-3 3-4 3-4 3
AATCC 6 2 1-2 3 2-3 3

sodium 6-amino-4-hydroxy-5-[[2-(phenylsulphonyl)phenyl]azo]naphthalene-2-sulphonateSupplier

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