PRODUCT NAME : NEELIGLOW COUMARIN 1 OTHER NAMES : COUMARIN 1, COUMARIN 47,   COUMARIN 460 CHEMICAL CLASS : COUMARIN HUE : --- FORM SUPPLIED : POWDER APPEARANCE : WHITE MELTING POINT :  65°C -    70°C lmax : 370 -  371  nm (DMF) SOLUBILITY : ALCOHOLS, KETONES, AND OTHER   SOLVENTS USAGE : LASER DYE, OPTICAL BRIGHTNERS   OR FLUORESCENT WHITENING   AGENTS (FWA),  AND FLUORESCENT   LABELS.