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2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt

2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Structure
CAS No.
5858-66-2
Chemical Name:
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
Synonyms
Acid Red 16;C.I.Acid Red 16:C.I.14920;2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
CBNumber:
CB74751211
Molecular Formula:
C20H12N2Na2O7S2
Molecular Weight:
502.42802
MOL File:
5858-66-2.mol
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2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Chemical Properties,Uses,Production

Preparation

Naphthalen-2-amine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.

Properties and Applications

red. Soluble in water for red, orange for adequate soluble in alcohol. The strong sulfuric acid for dark purple, diluted in red. In aqueous solution to join strong hydrochloric acid for red; Add thick sodium hydroxide solution for orange brown.

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

2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Preparation Products And Raw materials

Raw materials

1-Naphthol-3,6-disulfonic acid 2-Naphthylamine

Preparation Products

5858-66-2(2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt)Related Search:

ACID RED 150 Acid Red 57 C.I. Acid Red 158 CIACIDRED151 Acid Red 154
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2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Acid Red 16 C.I.Acid Red 16:C.I.14920 5858-66-2