外文名Potassium Permanganate別    名PP粉、化學式KMnO4分子量158.034CAS登錄號EINECS登錄號231-760-3熔    點240 ℃水溶性6.38 g/100 mL (20 ℃)密    度2.7 g/cm3外    觀黑紫色結晶