PRODUCT NAME : NEELIGLOW COUMARIN 4 COLOUR INDEX NAME : --- CHEMICAL CLASS : COUMARIN OTHER NAMES : 7-HYDROXY-4-METHYL COUMARIN, 4-METHYL LUMBELLIFERONE, HYMERCROMONE AND CANTIBILINE FORM SUPPLIED : POWDER APPEARANCE : WHITE MELTING POINT : 185°C -  191°C lmax : 322  -  323   nm (DMF) SOLUBILITY : ALCOHOLS, DIMETHYLFORMAMIDE, ACETIC ACID USAGE : LASER DYE, FLUORESCENT BRIGHTENING AGENTS FOR DETERGENTS, LIQUID CRYSTAL DISPLAY