Synonyms:2,7-Naphthalenedisulfonic acid, 4-amino-3-(2-(4-(((4-(2-(2,4-diaminophenyl)diazenyl)phenyl)sulfonyl)amino)phenyl)diazenyl)-5-hydroxy-6-(2-phenyldiazenyl)-, sodium salt (1:2); 2,7-Naphthalenedisulfonic acid, 4-amino-3-((4-(((4-((2,4-diaminophenyl)azo)phenyl)sulfonyl)amino)phenyl)azo)-5-hydroxy-6-(phenylazo)-, disodium salt;Coriamine Black NB-G;Dynacid Black 2N.
Appearance:Black powder
Specifications:
Item | Description |
Name | Acid Black N-BG |
Color Index No. | C.I.NO. ACID BLACK 234 |
Chemical Family | Acid dyes |
Apearance | Black powder |
Shade | similar to standard |
Tinting strength | 200+/-5 |
Moisture | 5% max. |
Insoluble matter | 0.5% max. |
Solubility(90℃)(g/L) | 60 min. |
Application:It is mainly used for dyeing wool, silk, cotton and viscose, and also for coloring leather.
Quality guarantee period: 36 months.
Packing: 25kgs paper carton.
Storage:Store in a cool and ventilated room and prevent moisture and heat.