Sulphur Green 5
Name:C.I.Sulphur Green 5,C.I.53550
Molecular Structure:
CAS Registry Number:1327-71-5
Manufacturing Methods : 4-(6-Perimidylamino)phenol with Sodium polysulfide ethanol solution heating reflux 60 hours, again in the 102 ~ 103 ℃ heating over 12 hours, steamed out after ethanol, blowing air make its precipitation. This is determined by indophenol perimidine and 4-Aminophenol is treated with sodium hypochlorite, then with sodium sulfide derived.
Properties and Applications: dark blue light green. In the Sodium hydroxide and insurance powder solution for brown light yellow, In the Sodium sulfide solution for Copenhagen green; In concentrated sulfuric acid of insoluble.
Standard | Acid Resistance | Alkali Resistance | Light Fastness | Fulling | Persperation Fastness | Soaping | |
Moderate | Severe | ||||||
ISO | 3 | 4-5 | 4 | 3 |
List of Suppliers:
Immedial Green BT( Cassella Farbwerke Mainkur AG )
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