白色大块结晶。易潮解，在160℃时分解。极易溶于水，能溶于甘油、乙二醇和甲酰胺，微溶于醇。
熔点：131-135℃    
  

Q/(HG)SJ 328-91
项目Item                                                  分析纯    化学纯
                                                           (AR)      (CP)
含量(NH4SO3NH2)Assay,%                                  ≥ 99.0      99.0
熔点范围Melting range,℃                              131.0-133.0 130.0-133.0
水不溶物Insoluble matter in water,%                     ≤ 0.01      0.02
灼烧残渣(以硫酸盐计)Ignition residue,%                  ≤ 0.01      0.03
氯化物(Cl)Chloride,%                                    ≤ 0.002     0.004
硝酸盐(NO3)Nitrate,%                                    ≤ 0.002     0.004
硫酸盐(SO4)Sulfate,%　                                  ≤ 0.02      0.05
铁(Fe)Iron,%                                            ≤ 0.0005    0.0005
重金属(以Pb计)Heavy metals,%                            ≤ 0.0005    0.0005

ACS级
项目名称Item                                           ACS Grade
含量(NH4OSO2NH2)Assay                                   ≥98.0%
熔点Melting point                                       131.0℃-133.0℃
水不溶物Insoluble matter                                ≤0.02%
灼烧残渣Residue after ignition                          ≤0.1%
重金属(以Pb计)Heavy metals(as Pb)                       ≤5ppm    
 

用途  用作分析试剂、除草剂及织物防水剂 
    
用途  广泛用于农药、印染、烟草、建材、纺织等行业 
    
 
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