2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt
2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt Basic information
- Product Name:
- 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt
- Synonyms:
-
- 2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt
- C.I.Direct Violet 83:C.I.25280
- Direct Violet 83
- CAS:
- 6391-28-2
- MF:
- C33H23N8Na3O12S3
- MW:
- 888.74643
- EINECS:
- 613-399-7
- Mol File:
- 6391-28-2.mol
More
Less
2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt Usage And Synthesis
Preparation
1,3-Bis(4-aminophenyl)urea double nitriding, in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling, in acid conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid?coupling.
Properties and Applications
bright purple. Soluble in water (for red light purple) and ethanol, easily soluble in soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid for purple, dilute for dark blue purple solution after, precipitation. The dye solution to join 10% no change sulfuric acid; Add 10% sodium hydroxide solution for purplish red color.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 1-2 | 3 | 5 | 2 | 2 | ||
More
Less
2,7-Naphthalenedisulfonic acid, 4-amino-3-[[4-[[[[4-[(6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo]phenyl]amino]carbonyl]amino]phenyl]azo]-5-hydroxy-, trisodium salt(6391-28-2)Related Product Information
- 5-Amino-3-[[4'-[(2,4-diaminophenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid disodium salt
- Direct Violet 87
- tetrasodium 3,3'-(carbonyldiimino)bis[6-[[1-hydroxy-6-(phenylamino)-3-sulphonato-2-naphthyl]azo]benzoate]
- 7-Hydroxy-8-[[4'-[[1-hydroxy-6-(phenylamino)-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-1,3-naphthalenedisulfonic acid trisodium salt
- C.I. Direct Violet 99
- Acetic acid, 2,2'-[carbonylbis[imino[6-[[1-hydroxy-6-[(4-methoxyphenyl)amino]-3-sulfo-2-naphthalenyl]azo]-3,1-phenylene]oxy]]bis-, tetrasodium salt
- DIRECT VIOLET 9
- [[4'-[[1-Hydroxy-6-(phenylamino)-3-sulfo-2-naphthalenyl]azo]-3,3'-dimethoxy[1,1'-biphenyl]-4-yl]amino]oxoacetic acid disodium salt
- Direct Violet 89