浅粉红色单斜晶系细结晶。 易溶于水，不溶于乙醇。
熔点  700 °C 
沸点  850 °C 
密度  2.95

GH/T3-1081-77
项目ltem                                                         分析纯　　　　　
                                                                   (AR)                          
含量[MnSO4•H2O]Assay,%                         ≥99.0           
水不溶物lnsoluble matter in water,%       ≤0.005          
氯化物(Cl)Chloride,%                                  ≤0.002           
铁(Fe)Iron,%                                                 ≤0.0005         
锌(Zn)Zinc,%                                                 ≤0.02           
碱金属及碱土金属(以硫酸盐计)Alakli
and earths,%                                              ≤0.25          
还原高锰酸钾物质Potassium permang-
anate reducing substanes                    合格　　　　　
重金属(以Pb计)Heavy metals,%              ≤0.0002         

ACS级
项目名称Item                                                           ACS Grade
含量(MnSO4•H2O)Assay                                        98.0-102.0%
灼烧失重Loss on ignition                                    10.0-12.0%
还原高锰酸盐物质Substances reducing permanganate            Passes test dichromate                                                  Passes test
水不溶物Insoluble matter                                    ≤0.01%
氯化物(Cl)Chloride(Cl)                                      ≤0.005%
钙(Ca)Calcium(Ca)                                           ≤0.005%
镁(Mg)Magnesium(Mg)                                         ≤0.005%
镍(Ni)Nickel(Ni)                                            ≤0.02%
钾(K)Potassium(K)                                           ≤0.01%
钠(Na)Sodium(Na)                                            ≤0.05%
锌(Zn)Zinc(Zn)                                              ≤0.005%
重金属(以Pb计)Heavy metals(as Pb)                           ≤0.002%
铁(Fe)Iron(Fe)                                              ≤0.002%


99.99% metals basis:


外观Appearance                          White Powder
X-射线衍射分析X-Ray Diffraction         Conforms to Structure 
纯度Purity                              ≥99.99% Based on Trace Metals Impurities of ICP
ICP Assay                               Confirms Manganese component 
痕量金属分析total metallic impurities   ≤200ppm by ICP Atomic emission

用于制电解锰、锰肥、油漆催干剂等。
储存于阴凉、通风的库房。远离火种、热源。防止阳光直射。包装密封。应与酸类分开存放，切忌混储。储区应备有合适的材料收容泄漏物。