Basic Blue 24
Name:C.I.Basic Blue 24,C.I.52030
Molecular Structure: thiazine class
Molecular Formula:C18H22ClN3S
Molecular Weight: 347.91
CAS Registry Number:1934-16-3
Manufacturing Methods : by heavy chromate salt in sodium content and save treatment 2-Methyl-4-nitroso-N-methylaniline, transforming it into the content and sulfonic acid (2 – Amino-5 – acetic acid aminophenylthio), this product then through heavy chromate salt and N-ethyl-2-methylbenzenamine hydrochloride processing, into a unique of sulfur acid amine generation, then use heavy chromate salt and copper sulfate closed loop and oxidation, Finally, the zinc chloride salt precipitation
Properties and Applications: bright blue. Soluble in cold water for violet blue, soluble in hot water for shallow blue, soluble in ethanol for green light blue. The strong sulfuric acid for yellow green, diluted to blue. Dye with sodium hydroxide solution into a chocolate brown, have precipitation.
Standard( Cotton ) | Light Fastness | Persperation Fastness | Ironing Fastness | Soaping | |||
Fading | Stain | Fading | Stain | Fading | Stain | ||
C | 3 | 4-5 |
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New Methylene Blue( Simpsons (UK) Ltd )