白色粉末。无气味。溶于1050份冷水，稍多溶于热水，水中溶解度: 1 g/L (20°C) 。不溶于乙醇。100℃失去大部分结晶水，120℃完全失去结晶水。

外观APPEARANCE                                     白色粉末
红外光谱鉴别Infrared spectrometry       Conforms
纯度Purity                                                    98.5% - 101.5% (螯合滴定)  
不溶物Insoluble matter                            <0.05 % (in HCl) 
干燥损失Loss on drying                           10.0 % to 13.3 % (150°C, 4 Hrs) 
氯Chloride(Cl)                                            <0.003 % 
硫酸根Sulfate(SO4)                                    <0.02 % 
重金属Heavy metals (as Pb)                   <20 ppm 
砷Arsenic (As)                                           <0.0003 % 
铜Copper (Cu)                                             <0.001 % 
铁Iron (Fe)                                                    <0.002 % 
镁Magnesium (Mg)                                    <0.05 % 
铅Lead (Pb)                                               <0.001 % 
镍Nickel (Ni)                                               <0.001 % 

安全说明  22 
WGK Germany  1 

制造柠檬酸及其盐类。改进面粉的焙烘质量。
密封保存