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Pigment Red 21

Pigment Red 21 (UN8110 Fast Red 2R )
Chemical Name:  Permanent Red FR
CAS No.: 6410-26-0
EU No.:  229-096-4
C.I. NO.:  12300
Chemical Formula:  C23H16ClN3O2
Molecular Weight:  401.84

Structural Formula:
 
 

Pigment Red 21 Physical and Chemical Properties

 PH Value
7
 Density (g/cm3 )
1.6
 Oil Absorption (ml/100g)
40
 Light
6
 Heat (°C)
120
 Water
4
 Linseed Oil
3
 Acid
5
 Alkali
5
   
 
Pigment Red 21 Application: Aqueous inks
 

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