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

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2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Basic information
Product Name:2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
Synonyms:2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt;Acid Red 16;C.I.Acid Red 16:C.I.14920
CAS:5858-66-2
MF:C20H12N2Na2O7S2
MW:502.42802
EINECS:611-707-4
Product Categories:
Mol File:5858-66-2.mol
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Structure
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Chemical Properties
Safety Information
MSDS Information
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt Usage And Synthesis
PreparationNaphthalen-2-amine diazo, coupled with 4-Hydroxynaphthalene-2,7-disulfonic acid.
Properties and Applicationsred. 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 materials1-Naphthol-3,6-disulfonic acid-->2-Naphthylamine
Tag:2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt(5858-66-2) Related Product Information
ACID RED 150 Acid Red 57 C.I. Acid Red 158 CIACIDRED151 Acid Red 154 2-Naphthalenesulfonic acid, 6-(acetylamino)-3-([1,1'-biphenyl]-2-ylazo)-4-hydroxy-, monosodium salt ACID RED 151 SUPRANOL BRILLIANT RED 3B 2,7-Naphthalenedisulfonic acid, 4,4'-[(2,2'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(2,1-diazenediyl)]bis[3-hydroxy-, sodium salt (1:4)