PRODUCT NAME:PHTHALIDEAlias: 1(3H)-iso-BenzofuruancneName: 1.3-Dihydrobenzo[C]furan-2-ono; 1-Phthalanone; o-Hydruxymethylbenzoic acid lactoneStructural formula:Molecular formula: C8H6O2Molecular weight: 134.13CAS No.: 87-41-2Technical index:Index nameTechnical indexAssay %≥99Melting point °C65.8 75(unstable)Appearance:white or off-white powderRelative density 1.636(99.1/4°C).Refractive index: 1.536(99.1°C) Soluble in alcohol, ether and hot water, slightly soluble in cold water.Packing: 25kg/bag, inner packed with woven bag, outside with plastic bag.Storage: kept in cool and ventilating place. Usage: intermediate of fungicide ,insectide ,Kresoxim-methyl,pharmaceutical.