ChemicalBook > CAS DataBase List > 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt

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

Product Name
2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
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
Formula Weight
502.42802
MOL File
5858-66-2.mol
More
Less

Hazard and Precautionary Statements (GHS)

More
Less

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

Preparation Products

More
Less

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

Global 0

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

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)

  • 2,7-Naphthalenedisulfonic acid, 4-hydroxy-3-(2-naphthalenylazo)-, disodium salt
  • C.I.Acid Red 16:C.I.14920
  • Acid Red 16
  • 5858-66-2