Trade Name: Fast Red 2R
C.I. Number: Pigment Red 21
CAS Number: 6410-26-0
EU Number: 229-096-4
Chamical Family: Mono azo
2. Physical, Chemical and Fastness Properties
Molecular Weight: 401.84
Molecular Formula: C23H16ClN3O2
P.H. Value: 6.0-7.0
Density: 1.5
Oil Absorptionml/100g: 35-45
Light Fastness: 6
Heat Resistance: 120
Water Resistance: 4
Oil Resistance: 4
Acid Resistance: 4
Alkali Resistance: 4
3. Application
Shade: Yellowish Red
Main Application: Industrial Paint
Can Use: Water base Ink