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      Acid Blue 45
      
									 
									   									   
									
       
									      
									 
									 
      Molecular formula: C14H8N2Na2O10S2
      
Molecular weight: 474.32
      
CAS number: 2861-02-1
      
Structural formula:
      


      


      Appearance: Blue powder
      
Shade: Approximate
      
Tinting strength: ±5%
      
Weight loss (105°C): ≤1.5%
      
Water solubles: ≤1.5%