5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt

Product Name
5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt
CAS No.
6837-80-5
Chemical Name
5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt
Synonyms
C.I.31850;Direct Black 83;Diazo Blue Black RS;C.I.Direct Black 83;C.I.Direct Black 83:C.I.31850;5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt;2,7-Naphthalenedisulfonic acid, 5-amino-3-((4-((4'-((8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-1-naphthalenyl)azo)-4-hydroxy-, tetrasodium salt
CBNumber
CB82141862
Molecular Formula
C42H26N8Na4O14S4
Formula Weight
1086.92012
MOL File
6837-80-5.mol
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5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt Property

EPA Substance Registry System
C.I. Direct Black 83 (6837-80-5)
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Hazard and Precautionary Statements (GHS)

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5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt Chemical Properties,Usage,Production

Preparation

4-(4-Aminophenyl)benzenamine double nitriding, first with Naphthalen-1-amine coupling, product diazo again, and then in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid(2 Moore) coupled.

Properties and Applications

red light black. Soluble in water for a blue-black, slightly soluble in ethanol for blue-ray gray. The strong sulfuric acid in dark green light blue, diluted as dark blue and purple, have precipitation. The dye solution to join strong hydrochloric acid for blue-ray black to dark blue, precipitation; With strong sodium hydroxide solution for blue-ray black to blue.

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

5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt Preparation Products And Raw materials

Raw materials

Preparation Products

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5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt Suppliers

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6837-80-5, 5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium saltRelated Search:

Direct black 77 (C.I. 35860) DIRECT BLACK 80 Direct Black 76 1,7-Naphthalenedisulfonic acid, 4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-, disodium salt DIRECT BLACK 9 disodium 4-amino-3-[(4-aminophenyl)azo]-6-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-5-hydroxynaphthalene-1-sulphonate 2-Naphthalenesulfonic acid, 6-amino-3-[[4'-[(4-amino-6-sulfo-1-naphthalenyl)azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy-, disodium salt Direct black 75 (C.I. 35870) C.I. Direct Black 87

  • 5-Amino-3-[[4'-[[4-[(8-amino-1-hydroxy-3,6-disulfo-2-naphtyl)azo]-1-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt
  • C.I.31850
  • C.I.Direct Black 83
  • Diazo Blue Black RS
  • 2,7-Naphthalenedisulfonic acid, 5-amino-3-((4-((4'-((8-amino-1-hydroxy-3,6-disulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-1-naphthalenyl)azo)-4-hydroxy-, tetrasodium salt
  • C.I.Direct Black 83:C.I.31850
  • Direct Black 83
  • 6837-80-5