NIGROSINE BASE 

Data Sheet

 

Colour Index No. C.I Constitution No. C.A.S No. ChemicalClass Appearance
C.I Solvent Black 7 50415:1 8005-02-5 Azine Smooth powder
 
Parameters   Grades    
C.I Solvent Black 7   OBI  OBL  OBI-LA OBS
Ash Content Max 1.5% 1.5% 1.5% 1.5 %
         
Aniline Content Max < 1% < 1% < 0.20% < 0.5 %
         
Total Chloride - Max  1.5% 0.2% 1.5 % <1% 
         
Transmittance of 15 ppm solution in methanol at 570 wave length 117% 2 117% 2 117% 2  117.0% 2
         
pH 6 ~ 7.5 7 ~ 8 .5 6 ~7.5 7 ~ 8
         
Volatile Matter 2.0% 2.0% 2.0% 2.0 %
         
Sieve Residue (In 400 Mesh ) < 0.5% < 0.5% < 0.5% < 0.5 
           
Packing In 25 Kgs Net HDPE Bags on   pallets stretch wrapped        
   
  In 15/25 Kgs. Net Anirox paper bags on pallets stretch wrapped 
 
In 25 Kgs metal drums for OBS Grade