Product name: Phthalide Synonyms:1(3H)-Isobenzofuranone; O-Hydroxymethylbenzoic Acid Lactone; Phthalanone Molecular formula: C8H6O2 Molecular weight: 134.13 CAS No.: 87-41-2 Appearance: off-white or yellow powder Melting point: 72-74 Purity: 99.00% min Ignition residue: 0.10% max Package: 25 kilogram cardboard barrels pack Application : It can be used as intermediate of fine chemicals such as dye intermediate, 1,4-Dichloroanthraquinone, 1-chloroanthraquinone, blood thinner, antiseptic, minor tranquilizer etc. Standard: Q/70894543-X·01-2005