Mordant Black 19
Name:C.I.Mordant Black 19,C.I.12200
Molecular Structure: Single azo class
Molecular Formula:C16H10N4O6
Molecular Weight: 354.27
CAS Registry Number:4998-82-7
Manufacturing Methods : 2-Amino-4,6-dinitrophenol diazotization, and Naphthalen-2-ol coupling.
Properties and Applications: blue light grey. Soluble in hot water for red brown, soluble in ethanol for brilliant purple, insoluble in benzene. In concentrated sulfuric acid to purple, red brown after dilution precipitation; In concentrated nitric acid for red solution, and then into a pale yellow; In concentrated hydrochloric acid in red brown precipitation.
Standard | Ironing Fastness | Light Fastness | Fulling | Persperation Fastness | Soaping | Water | |
Alkali | Acid | ||||||
ISO | 4 | 5 | 4-5 | 4-5 | 4 | 5 | 5 |
List of Suppliers:
Mersey Black B( Brotherton & Co. Ltd )
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