C. I. SOLVENT BLUE 49)
- CAS No.
- 52218-73-2
- Chemical Name:
- C. I. SOLVENT BLUE 49)
- Synonyms
- C. I. SOLVENT BLUE 49);C.I.Solvent Blue 49:C.I.50315
- CBNumber:
- CB81476383
- Molecular Formula:
- C34H23N4NaO6S2
- Molecular Weight:
- 670.68939
- MDL Number:
- MOL File:
- 52218-73-2.mol
C. I. SOLVENT BLUE 49) Chemical Properties,Uses,Production
Preparation
6,8-Bis(phenylamino)naphthalene-1-sulfonic acid and 5-Amino-2-(phenylamino)benzenesulfonic acid condensation, its product to (add) ammonia Cuprous oxide as catalyst for air oxidation.
Properties and Applications
red light blue. Soluble in water for blue, soluble in ethanol is purple, soluble in Cellosole, insoluble in benzene, toluene and Stout solvent. In concentrated sulfuric acid for green, dilution after red light blue; In concentrated nitric acid for deep purple. Dye aqueous solution to join sodium hydroxide for brown, with precipitation; Join hydrochloric acid for blue, with precipitation.
| Standard | Light Fastness | Heat-resistant(℃) | water |
Sodium Carbonate
(5%) |
Hydrochloric acid
(5%) |
|
| Melting point | Stable | |||||
| ISO | Good | 200 | Insoluble | Poor | Insoluble | |
C. I. SOLVENT BLUE 49) Preparation Products And Raw materials
Raw materials
Preparation Products
52218-73-2(C. I. SOLVENT BLUE 49))Related Search:
C. I. SOLVENT BLUE 49)
C.I.Solvent Blue 49:C.I.50315
52218-73-2