Direct Violet 85
Name:C.I.Direct Violet 85,C.I.22520
Molecular Structure: Double azo class
C.I.Direct Violet 85,C.I.22520,CAS 6507-84-2,891.79,C38H24N5Na3O11S3,Fomianil Violet BRL
Molecular Formula:C38H24N5Na3O11S3
Molecular Weight: 891.79
CAS Registry Number:6507-84-2
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, respectively with the 7-Hydroxynaphthalene-1,3-disulfonic acid and 4-Hydroxy-7-(phenylamino)naphthalene-2-sulfonic acid coupling.
Properties and Applications: dark blue purple. Soluble in water (for dark purple), ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in blue, diluted dark purple for blue-ray, precipitation. Dyes to 10% hydrochloric acid solution for shallow dark purple; Add 10% sodium hydroxide solution micro red.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
| Fading | Stain | Fading | Stain | ||||
| AATCC | 3 | 5 | 5 | 2 | 3 | ||
List of Suppliers:
Fomianil Violet BRL( American Aniline Products Inc. )