Direct Red 10
Name:C.I.Direct Red 10,C.I.22145
Molecular Structure: Double azo class
Molecular Formula:C32H32N5Na2O7S2
Molecular Weight: 697.65
CAS Registry Number:2429-70-1
Manufacturing Methods : 4-(4-Aminophenyl)benzenamine double nitriding, first with 4-Aminonaphthalene-1-sulfonic acid matches, again with 4-Hydroxynaphthalene-1-sulfonic acid coupling.
Properties and Applications: red. Soluble in water into wine red to product red, slightly soluble in ethanol and soluble fiber element, insoluble in other organic solvents. The strong sulfuric acid in blue, diluted with light purple, have black precipitation. The dye solution to join strong hydrochloric acid for dark purple, have precipitation; Add thick, red solution for hydrogen oxidation, precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Soaping | Water | ||
Fading | Stain | Fading | Stain | ||||
ISO | 1-2 | 2 | 2 | 1-2 | 2 | ||
AATCC | 3 | 1 | 2 | 2 | 2 |
List of Suppliers:
Atul Direct Gamet B ( Atul Limited )
Atul Direct Gamet BY( Atul Limited )