Sulphur Violet 4
Name:C.I.Sulphur Violet 4,C.I.53700
Molecular Structure:
C.I.Sulphur Violet 4,C.I.53700,CAS 1327-83-9
CAS Registry Number:1327-83-9
Manufacturing Methods : 8-Amino-10-ethyl-7-methylphenazin-2(10H)-one and sodium polysulphide in Copper sulfate monohydrate under the existence of in 190 ℃ calcination 15 hours. This is Pyridine by 2 – methyl – 5 – ethylamino – aniline and 4-Nitrosophenol in dilute hydrochloric acid of condensation, then use Manganese dioxide oxidation and have to. Add in the roasting Molybdic acid can make the color partial red (GP 590873).
Properties and Applications: red light purple.
| Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
| Moderate | Severe | ||||||
| ISO | 4 | 3-4 | 4 | 3-4 | 2 | ||
| AATCC | 4 | 2 | 3-4 | 3 | 4 | 1 | |
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