NILE 
CHEMICALS
THIONIN
| 
         SPECIFICATION  | 
    |
| C.I.No. 52000 | |
| ( For metachromatic stains according | |
| to Erhrlich ) | |
| C14H13N3O2S M.W. 287.34 | |
| Dye content | min. 85% | 
| Absorption ( in water ) | max. 598 - 660 nm | 
| TLC test | passes test | 
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