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Basic Blue 25

Name:C.I.Basic Blue 25,C.I.52025

Molecular Structure: thiazine class

C.I.Basic Blue 25,C.I.52025,CAS 2391-29-9,347.91,C18H22ClN3S

C.I.Basic Blue 25,C.I.52025,CAS 2391-29-9,347.91,C18H22ClN3S

Molecular Formula:C18H22ClN3S

Molecular Weight: 347.91

CAS Registry Number:2391-29-9

Manufacturing Methods :  by heavy chromate salt in sodium content and save processing N1,N1-dimethylbenzene-1,4-diamine, transforming it into the content and sulfonic acid, this product then through heavy chromate salt and N,N-diethylbenzenamine 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: dark green light blue. Soluble in water, slightly soluble in ethanol to blue. The strong sulfuric acid for yellow green, diluted to blue. Add sodium hydroxide solution dye for purple, has the purple precipitation.

Standard( Cotton ) Light Fastness Persperation Fastness Ironing Fastness Soaping
Fading Stain Fading Stain Fading Stain
C 2-3 1-2 3 2 4-5

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