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
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 Basic information
- 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
- Synonyms:
-
- 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
- CAS:
- 6486-50-6
- MF:
- C32H21N6Na3O10S3
- MW:
- 814.70765
- Mol File:
- 6486-50-6.mol
More
Less
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
- EPA Substance Registry System
- C.I. Direct Red 43 (6486-50-6)
More
Less
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 Usage And Synthesis
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 | ||
More
Less
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(6486-50-6)Related Product Information
- 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