SpeedBlock DP74

SpeedBlock DP74 is a fluorescent whitening agent, with excellent stability in low pH systems, for use in ink and coating applications. SpeedBlock DP74 is used in warm white and pastel tones where the degree of whiteness of the paint/ink needs intensifying.

CAS no. 91-44-1
Chemical name 7-diethylamino-4-methylcoumarin