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sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate

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sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate Basic information

Product Name:
sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate
Synonyms:
  • sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate
  • Acid brown 2 (C.I. 17605)
  • Fast Brown R
  • C.I.Acid Brown 14
  • 2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino), monosodium salt
  • Acid Fast Brown R.
  • C.I.Acid Brown 2
  • Weak Acid Brown R
CAS:
3626-41-3
MF:
C23H17N4NaO7S
MW:
516.45845
EINECS:
222-840-9
Mol File:
3626-41-3.mol
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sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate Usage And Synthesis

Preparation

2-Methoxy-5-nitrobenzenamine diazo, and ?4-Hydroxy-6-(phenylamino)naphthalene-2-sulfonic acid??in alkaline conditions coupled.

Properties and Applications

brown. Black brown powder. Slightly soluble in water (for blue-ray red), soluble in ethanol (a red light brown), insoluble in other organic solvents. Meet strong sulfuric acid as red light purple, it will be diluted for olive brown; Meet strong sulfuric acid as brown, and soon become yellow light brown. Its water solution with hydrochloric acid produce dark brown precipitation; Add sodium hydroxide produce deep red precipitate. Used for wool fabric, polyamide fiber and silk dyeing and printing.

Standard Light Fastness Soaping Persperation Fastness Oxygen bleaching Fastness to seawater
Fading Stain Fading Stain Fading Stain
ISO 5-6 3 3 4 1 1 4-5 4-5
AATCC 5-6 3 3 4-5 4 4

sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate Preparation Products And Raw materials

Raw materials

sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonateSupplier

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