玫瑰色三角晶系菱形晶体或无定形亮白棕色粉末。 几乎不溶于水，微溶于含二氧化碳的水中。溶于稀无机酸，微溶于普通有机酸中，不溶于醇和液氨。
熔点  350°C (dec.) 
密度  3.12 g/mL at 25 °C(lit.)

项目Item                                   　分析纯
                                                    　(AR)
含量(Mn)Assay,%                 　   >47%
硝酸不溶物Insoluble matter      　≤  0.1
in nitric acid,%                
氯化物(Cl)Chloride,%            　≤  0.05
硫酸盐(SO4)Sulfate,%            　≤  0.1
氮化合物(N)Nitrogen compounds,% 　≤  0.1
铁(Fe)Iron,%                    　≤  0.003
锌(Zn)Zinc,%                    　≤  0.02
碱金属及碱土金属(硫酸盐)Alkali  
and alkali earth metals,%       　≤  0.10
重金属(以Pb计)Heavy metals,%　  　≤  0.002
 
项目Item                                     　化学纯
                                                     　(CP)
含量(Mn)Assay,%                   　  >44%
硝酸不溶物Insoluble matter      ≤  0.3
in nitric acid,%                
氯化物(Cl)Chloride,%            　≤  0.1
硫酸盐(SO4)Sulfate,%            　≤  0.2
氮化合物(N)Nitrogen compounds,% 　≤  0.1
铁(Fe)Iron,%                            　≤  0.005
锌(Zn)Zinc,%                            　≤  0.05
碱金属及碱土金属(硫酸盐)Alkali  
and alkali earth metals,%       　≤  0.15
重金属(以Pb计)Heavy metals,%≤  0.004


99.9% metals basis:


外观Appearance                          Light Brown Powder
X-射线衍射分析X-Ray Diffraction         Conforms to Structure 
纯度Purity                              ≥99.9% Based On Rare Earth Analysis 
Complexiometric EDTA (% Mn)             46.5- 49.5 %
痕量金属分析Trace Rare Earth Analysis   ≤1000ppm by ICP Atomic emission

用途  用于锰盐的制备，也用作电讯器材元件的材料 
用途  广泛用作脱硫的催化剂、瓷釉颜料、锰盐原料，也用于肥料、医药、饲料添加剂、电焊条辅料等 
 
密封保存。