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      Pigment Violet 23 (Permanent Violet)
      
									 
									   									   
									
       
									      
									 
									 
      (C.I. Pigment Violet 23)
      


      Category: Dioxazine
      


      Molecular formula: C34H22Cl2N4O2
      
Molecular weight: 589.47
      
CAS number: 6358-30-1
      
Structural formula:
      


      



      
Index:
      


       
      


      Appearance: dark purple powder
      


      Shade: red, blue, medium hue
      


      Tinting strength: ±5%
      


      Weight loss (105℃): ≤1.5%
      


      Water solubles: ≤1.5%
      


      Oil absorption: 33~53%
      


      Heat resistance: 270℃
      


      Light fastness: 7-8 level
      


      Migration resistance: Level 4