Benzimidazolone Carmine is a deep crimson which is slightly less chromatic than PR177 and a touch of an oranger or browner undertone to the red. Lightfastness may be decent to moderate, which is too low for our standards.
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Benzimidazolone Carmine
PR176
Alternate Name
Benzimidazolone Carmine HF3C
Pigment Description
Resources
PR176 pigment data from David G. Myers, The Color of Art Pigment Database, Artiscreation.com
Information about PR176 from Bruce MacEvoy, Handprint Guide to Watercolors, General information about this class of pigments from Handprint,
Stats
Lightfastness
Very Good but not Excellent
ASTM II with some varieties falling to moderate (BWS 6) in tints.
Transparency
Semi-Transparent
In oils this is listed as Semi-Transparent or Transparent depending on the formulation. In watercolors it is fairly transparent as well.
Toxicity
Thought to be in the category of Lower Concern
Treat all pigments and paints with studio safety protocols.
Chemical Name
Monoazo, Benzimidazolone
Dry Pigments listing PR176
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