C.I. Direct blue 49
- CAS No.
- 6426-73-9
- Chemical Name:
- C.I. Direct blue 49
- Synonyms
- Direct Blue 49;C.I. Direct blue 49;C.I.Direct Blue 49:C.I.22540;2,7-Naphthalenedisulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4,5-dihydroxy-, tetrasodium salt
- CBNumber:
- CB62497680
- Molecular Formula:
- C32H23N4NaO16S4
- Molecular Weight:
- 870.78
- MDL Number:
- MOL File:
- 6426-73-9.mol
| EPA Substance Registry System | C.I. Direct Blue 49 (6426-73-9) |
|---|
C.I. Direct blue 49 Chemical Properties,Uses,Production
Preparation
4-(4-Aminophenyl)benzenamine double nitriding, and 4,5-Dihydroxynaphthalene-2,7-disulfonic acid (2 Moore) coupled.
Properties and Applications
dark red light blue and red light navy. Soluble in water for deep purple, soluble in ethanol for purple. The strong sulfuric acid for green light blue, for purple diluted. The dye solution to join strong hydrochloric acid for deep blue purple; Add sodium hydroxide solution for dark purple.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 5 | 3-4 | 1-2 | 2 | 2-3 | ||
C.I. Direct blue 49 Preparation Products And Raw materials
6426-73-9(C.I. Direct blue 49)Related Search:
1-Naphthalenesulfonic acid, 6,6'-[(3,3'-dimethoxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-hydroxy-, disodium salt
Azoform Brilliant Blue G
Direct Blue 45
5-Amino-3-[[4'-[[6-amino-1-hydroxy-5-[(4-nitro-2-sulfophenyl)azo]-3-sulfo-2-naphtyl]azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonic acid tetrasodium salt
5-Amino-3-[[4'-[(6-amino-1-hydroxy-3-sodiosulfo-2-naphthalenyl)azo]-1,1'-biphenyl-4-yl]azo]-4-hydroxynaphthalene-2,7-disulfonic acid disodium salt
1of2
2,7-Naphthalenedisulfonic acid, 3,3'-((1,1'-biphenyl)-4,4'-diylbis(azo))bis(4,5-dihydroxy-, tetrasodium salt
C.I. Direct blue 49
C.I.Direct Blue 49:C.I.22540
Direct Blue 49
6426-73-9