Carbazole Violet (Pigment Violet 23)is a bluish violet pigment that is uncommonly strong, resistant to solvents, and shows fair weatherfastness.
Carbazole Violet is used primarily as a shading pigment with copper phthalocyanines and for toning whites in a variety of systems.
Pigment Violet 23 is formed by condensation of chloranil with 3-amino-N-ethylcarbazole.
Properties and Applications
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TEST ITEMS
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SPECIFICATION
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|
APPEARANCE
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VIOLET POWDER
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SHADE
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BLUISH
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HEAT RESISTANCE
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300 °C min
|
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LIGHT FASTNESS
|
7-8
|
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ACID RESISTANCE
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5
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ALKALI RESISTANCE
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5
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FASTNESS TO BLEEDING
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5
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OIL ABSORPTION
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40-45%
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SPECIFIC SURFACE
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28 m
2
/g
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DENSITY
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1.60 g/cm
3
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RESIDUE ON 80 MESH
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5.0% max
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WATER SOLUBLE
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1.0% max
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VOLATITE 105 °C
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1.0% max
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TINTING STRENGTH
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100-105 %
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