磷酸二氢钠

无色或 白色结晶，溶于水，密封于干燥通风处。吸入后呼吸新鲜空气。接触后用水冲洗，吞食后饮大量水，考虑就医。不燃物。
技术要求
含量(NaHPO4·12H2O)Assay                                         ≥99.0%
pH值（50g/L,25°C）pH value                                       4.2-4.6
澄清度试验，号                                                              3
水不溶物                                                                        ≤ 0.01%
氯化物（Cl）                                                                 ≤ 0.005%    
硫酸盐（SO4）                                                              ≤ 0.005%
硝酸盐（NO3）                                                             ≤ 0.01%                    
铵（NH4）                                                                    ≤ 0.002%  
钾（K）                                                                         ≤ 0.02%
铁（Fe）                                                                        ≤ 0.001%
砷（As）                                                                        ≤ 0.0002%
重金属（以Pb计）                                                           ≤0.001