5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
![5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Structure](CAS/GIF/6253-15-2.gif)
- CAS No.
- 6253-15-2
- Chemical Name:
- 5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
- Synonyms
- C.I.22306;Direct Red 33;C.I.Direct Red 33;C.I.Direct Red 33:C.I.22306;5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt;Benzoic acid, 5-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
- CBNumber:
- CB52435353
- Molecular Formula:
- C29H21N5O7S.2Na
- Molecular Weight:
- 629.56
- MDL Number:
- MOL File:
- 6253-15-2.mol
Last updated:2024-12-18 14:08:52
5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Properties
| EPA Substance Registry System | C.I. Direct Red 33 (6253-15-2) |
|---|
5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Chemical Properties,Uses,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, first with 2-Hydroxybenzoic acid coupling, and then in alkaline conditions and 7-Amino-4-hydroxynaphthalene-2-sulfonic acid coupling.
Properties and Applications
red. Soluble in water for red, soluble in ethanol for orange, insoluble in other organic solvents. The strong sulfuric acid for purple, diluted for brown, have precipitation. The dye solution to join strong hydrochloric acid for red light brown, have precipitation; Add thick red to orange sodium hydroxide solution to brown.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 3-4 | 3-4 | 3 | 3 | 2-3 | ||
5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Preparation Products And Raw materials
5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt Suppliers
Global( 1)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Alfa Chemistry | +1-5166625404; | Info@alfa-chemistry.com | United States | 20000 | 58 |
| Supplier | Advantage |
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| Alfa Chemistry | 58 |
6253-15-2(5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt)Related Search:
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
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5-[[4'-[(6-Amino-1-hydroxy-3-sulfo-2-naphtyl)azo]-1,1'-biphenyl-4-yl]azo]-2-hydroxybenzoic acid disodium salt
C.I.22306
C.I.Direct Red 33
Benzoic acid, 5-((4'-((6-amino-1-hydroxy-3-sulfo-2-naphthalenyl)azo)(1,1'-biphenyl)-4-yl)azo)-2-hydroxy-, disodium salt
C.I.Direct Red 33:C.I.22306
Direct Red 33
6253-15-2
