3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt

Product Name
3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
CAS No.
6486-50-6
Chemical Name
3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
Synonyms
C.I.22205;Direct Red 43;C.I.Direct Red 43;Benzo Fast Red 9BL;C.I.Direct Red 43:C.I.22205;2,7-Naphthalenedisulfonic acid, 3-amino-4-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt;3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
CBNumber
CB12396861
Molecular Formula
C32H21N6Na3O10S3
Formula Weight
814.70765
MOL File
6486-50-6.mol
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3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Property

EPA Substance Registry System
C.I. Direct Red 43 (6486-50-6)
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Hazard and Precautionary Statements (GHS)

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3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Chemical Properties,Usage,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first coupling with?3-Aminonaphthalene-2,7-disulfonic acid, and then in acid conditions and 6-Amino-4-hydroxynaphthalene-2-sulfonic acid acid coupling.

Properties and Applications

red. Soluble in water for red, slightly soluble in alcohol for pink. The strong sulfuric acid in blue, diluted dark for. The dye solution to join strong hydrochloric acid for dark purple and dark, precipitation; With strong sodium hydroxide solution for red orange.

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

3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt Suppliers

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6486-50-6, 3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium saltRelated Search:

C.I. Direct red 42 vital new red 5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt DIRECT FAST RED 3B DIRECT RED 31 DIRECT RED 37 7,7'-[Ureylenebis[(1-hydroxy-3-sodiosulfonaphthalene-6,2-diyl)azo(4,1-phenylene)azo]]bis[naphthalene-1,3-disulfonic acid disodium] salt C.I. Direct Red 36, tetrasodium salt DIRECT RED 4

  • 3-Amino-4-[[4'-[(2-amino-8-hydroxy-6-sodiosulfo-1-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]naphthalene-2,7-disulfonic acid disodium salt
  • Benzo Fast Red 9BL
  • C.I.22205
  • C.I.Direct Red 43
  • 2,7-Naphthalenedisulfonic acid, 3-amino-4-((4'-((2-amino-8-hydroxy-6-sulfo-1-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-, trisodium salt
  • C.I.Direct Red 43:C.I.22205
  • Direct Red 43
  • 6486-50-6