2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt

Product Name
2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
CAS No.
6661-22-9
Chemical Name
2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
Synonyms
Direct Red 148;C.I.Direct Red 148:C.I.25005;2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
CBNumber
CB34752124
Molecular Formula
C32H25N8NaO9S2
Formula Weight
752.71
MOL File
6661-22-9.mol
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2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt Chemical Properties,Usage,Production

Preparation

(a), M-nitroaniline diazo, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, then use glucose and sodium hydroxide solution will nitro reduction; (b) 3-(3-(3-Aminophenyl)-1-oxadiaziridin-2-yl)benzenamine?double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid (2 Moore) coupled.

Properties and Applications

dark red Claret to light purple. Soluble in water for palm light orange, slightly soluble in alcohol. The strong sulfuric acid for blu-ray red, diluted light orange for subtle stitching. The dye solution to join strong hydrochloric acid for red orange; Add thick sodium hydroxide solution for palm light orange

Standard Acid Resistance Alkali Resistance Light Fastness Soaping Water
Fading Stain Fading Stain
ISO 4 3 1 4 4-5
AATCC 5 5 2 3 4

2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt Suppliers

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6661-22-9, 2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium saltRelated Search:

disodium 5-[[4-[[6-[(4-aminobenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]benzoyl]amino]salicylate Direct Red 154 disodium 7-[[3-[(4-aminobenzoyl)amino]benzoyl]amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate 3-[[4-[[6-[(4-Aminobenzoyl)amino]-1-hydroxy-3-sulfo-2-naphtyl]azo]-3,5-dimethylphenyl]azo]-1,5-naphthalenedisulfonic acid trisodium salt DIRECT RED 149 disodium 7-[(3-aminobenzoyl)amino]-4-hydroxy-3-[[4-[(4-sulphonatophenyl)azo]phenyl]azo]naphthalene-2-sulphonate disodium 5-[[4-[[6-[(4-amino-3-methylbenzoyl)amino]-1-hydroxy-3-sulphonato-2-naphthyl]azo]-3-methylbenzoyl]amino]salicylate 2-Naphthalenesulfonic acid, 7-[(4-aminobenzoyl)amino]-3-[[4-[(4-aminobenzoyl)amino]-2-sulfophenyl]azo]-4-hydroxy-, disodium salt BRILLIANT PURPURIN R

  • 2-Naphthalenesulfonic acid, 3,3'-[azoxybis(3,1-phenyleneazo)]bis[7-amino-4-hydroxy-, disodium salt
  • Direct Red 148
  • C.I.Direct Red 148:C.I.25005
  • 6661-22-9