Name:C.I.Leuco Sulphur Violet 1,C.I.53410
CAS Registry Number:6201-71-4
Manufacturing Methods : N-(2,4-Diamino-5-(4-oxocyclohexa-2,5-dienylideneamino)phenyl)acetamide and sodium polysulphide aqueous solution return in 110 ℃ heating 30 hours, and then will be in dilute sodium hydroxide solution segregating the product oxidation, add salt precipitation, and finally with dilute hydrochloric acid treatment to improve solubility, and sodium carbonate neutralization. This Indophenol is by 2, 4 – aminoacetanilide and 4-Nitrosophenol condensation and have to (BIOS 983113-116).
Properties and Applications: purple. In the sodium sulfide solution solubility is good, for the red light grey.
|Standard||Acid Resistance||Alkali Resistance||Light Fastness||Fulling||Persperation Fastness||Soaping|
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