Basic Blue 8
Name:C.I.Basic Blue 8,C.I.42563
Molecular Structure: triarylmethane class
C.I.Basic Blue 8,C.I.42563,CAS 2185-87-7,520.11,C34H34ClN3
Molecular Formula:C34H34ClN3
Molecular Weight: 520.11
CAS Registry Number:2185-87-7
Manufacturing Methods : N-methyl-N-phenylnaphthalen-1-amine and 4-(Dichloro(4-(dimethylamino)phenyl)methyl)-N,N-dimethylbenzenamine reaction.
Properties and Applications: red light blue. Soluble in cold water, soluble in hot water solution for blue, easily soluble in ethanol solution for blue. The strong sulfuric acid for yellow brown, diluted turn green and then into a yellow light first brown. The dye solution to join sodium hydroxide purple brown precipitation.
| Standard( Silk ) | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
| Fading | Stain | Fading | Stain | Fading | Stain | ||
| C | 1-2 | 3 | |||||
| A | 1 | 3 | 3 | 3 | |||
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