Sulphur Green 8
Name:C.I.Sulphur Green 8,C.I.53175
Molecular Structure:
CAS Registry Number:1326-80-3
Manufacturing Methods : 4-Nitrophenol and Sodium polysulfide solution in Copper sulfate monohydrate existence, in 128 ~ 130 ℃ for 30 hours vulcanization reaction, and then add 4-Methylbenzene-1,3-diamine cure the product (equivalent to C.I. Sulphur Orange 1, C.I. 53050) in aqueous solution, and evaporation this mixture to dry (FIAT 764). Available 4-Aminophenol instead of 4-Nitrophenol.
Properties and Applications: olive green to dark yellow brown. In the sodium sulfide solution for yellow brown; In concentrated sulfuric acid for olive brown, dilution after olive brown precipitation.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 3-4 | 4 | 4-5 | 4 | 4 | 3-4 | |
AATCC | 5 | 4 |
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