熔点243-246°C沸点295.67°C(roughestimate)密度1.5216(roughestimate)折射率1.6280(estimate)储存条件Storebelow+30°C.溶解度2.49g/l酸度系数(pKa)2.15(at25℃)形态CrystallinePowder颜色WhitetoalmoChemicalbookstwhite水溶解性Solubleinwaterat20°C4.5g/L.*波长(λmax)258nm(MeOHaq.)(lit.)BRN131631CAS数据库499-80-9(CASDataBaseReference)EPA化学物质信息2,4-Pyridinedicarboxylicacid(499-80-9)