Normal07.8磅02falsefalsefalseMicrosoftInternetExplorer4名称：苯并吡喃酮-2-羧酸CASNO:4940-39-0外观：棕色固体含量：98%包装：25公斤纸板桶熔点：260℃Chemicalname:Chromone-2-carboxylicacid(4-OXO-4H-1-BENZOPYRAN-2-CARBOXYLICACID)CASNO:4940-39-0Appearance:brownsolidAssay:98%Packing:25kg/barrelMeltingpoint:260degC)