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
- Molecular Weight:
- 1086.92012
- MDL Number:
- MOL File:
- 6837-80-5.mol
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 Properties
EPA Substance Registry System | C.I. Direct Black 83 (6837-80-5) |
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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,Uses,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
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 salt)Related 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
1of2
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
Direct Black 83
C.I.Direct Black 83:C.I.31850
6837-80-5