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

CAS No.
3626-41-3
Chemical Name:
sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate
Synonyms
Fast Brown R;C.I.Acid Brown 2;Weak Acid Brown R;C.I.Acid Brown 14;Acid Fast Brown R.;Acid brown 2 (C.I. 17605);C.I.Acid Brown 2:C.I.17605;sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate;2-Naphthalenesulfonic acid, 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino), monosodium salt;sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate ISO 9001:2015 REACH
CBNumber:
CB3939655
Molecular Formula:
C23H17N4NaO7S
Molecular Weight:
516.45845
MDL Number:
MOL File:
3626-41-3.mol

sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate Chemical Properties,Uses,Production

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

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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 sodium 4-hydroxy-3-[(2-methoxy-5-nitrophenyl)azo]-6-(phenylamino)naphthalene-2-sulphonate ISO 9001:2015 REACH C.I.Acid Brown 2:C.I.17605 3626-41-3 C23H17N4NaO7S C23H17N4O7SNa