Direct Violet 41
Name:C.I.Direct Violet 41,C.I.27850
Molecular Structure: Double azo class
C.I.Direct Violet 41,C.I.27850,CAS 6369-28-4,689.67,C31H25N5Na2O7S2,Arlindone Blue O
Molecular Formula:C31H25N5Na2O7S2
Molecular Weight: 689.67
CAS Registry Number:6369-28-4
Manufacturing Methods : 2-Amino-5-methylbenzenesulfonic acid diazo, and 2,5-Dimethylbenzenamine coupling, its product to diazo, in alkaline conditions and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications: red light purple. Soluble in water and ethanol, slightly soluble in acetone. The strong sulfuric acid for blue-ray green; In strong hydrochloric acid in insoluble; In insurance for brown powder in light purple.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| ISO | 4-5 | 4 | 4 | 1-2 | 1-2 | ||
List of Suppliers:
Arlindone Blue O( Arlabs Ltd )