ALIPHATIC HYDROCARBON SOLUBLE RED DYES

摘要

PROBLEM TO BE SOLVED: To provide a stable liquid concentrate with a dye component dissolved in either an aliphatic hydrocarbon or an alicyclic hydrocarbon.SOLUTION: A stable liquid concentrate comprises a dye component which contains a substantial amount of a dye represented by the formula (I), where the dye component is dissolved in kerosene, diesel fuel or hexane. (Ris a methyl or ethyl group; Ris a heptyl or nonyl group; and n is 1.)SELECTED DRAWING: None