| SPECIFICATION
        SHEET 
            
            
              
              
              
              
                | PRODUCT | GIEMSA'S STAIN |  |  
                | CAS
                  NO | 51811 - 82 - 6 |  |  
                | TESTS | RESULTS | (Limit/STD) |  
                |  |  |  |  
                | Appearance | Blackish
                  green powder | (Passes
                  test) |  
                | Solubility
                  0.1% (MeOH) | Clear blue
                  solution with | (Passes test) |  
                |  | greenish
                  fluorescence |  |  
                | Absorptivity
                  1%/1cm, |  |  |  
                | at
                  l
                  max. 524.0nm | 689 | (600-750) |  
                | at
                  l max.
                  648.0nm | 1155 | (950-1150) |  
                | Loss
                  on drying 110OC
                  (1hr) | 8.32% | (<10%) |  |