二水合草酸（草酸）

性状：无色结晶，在温热、干燥的空气中风华。密封于阴凉干燥处。

相对分子质量：126.07

技术条件

含量（C2H2O4·2H2O）,%                                                      ≥99.5

                                             杂质最高含量（以%计）

澄清度试验，号                                                                        3

水不溶物                                                                                  0.005

灼烧残渣（以硫酸盐计）                                                          0.02

氯化物（Cl）                                                                           0.002

硫酸盐（SO4）                                                                        0.002

总氮量（N）                                                                            0.002

钙（Ca）                                                                                  0.003

铁（Fe）                                                                                  0.0005

重金属（以Pb计）                                                                    0.0004

易炭化物质                                                                               合格

注意：强腐蚀性、有毒、可燃

安全措施：贮于低温通风处，远离火种、热源。与氧化剂、碱类等分储分运。注意个体防护，严禁身体直接接触。皮肤（眼睛）接触，用流动清水冲洗。

灭火：雾状水、泡沫、干粉、二氧化碳、砂土