| abstract |
The invention relates to a pigment preparation containing (a) CI Pigment Red 254 having an average particle size d 50 of at most 100 nm; (B) 0.1 to 30 wt .-%, based on the weight of the PR 254, one or more dispersants from the group of the unpainted sulfo-containing monoazo dyes, and (c) from 0.1 to 30% by weight, based on the weight of the PR 254, of a basic pigment dispersant of the formula (V) |