七水合硫酸亚铁

性状：淡蓝绿色结晶。在空气中风化和被氧化。密封保存。

相对分子质量：278.02

技术条件

含量（FeSO4·7H2O）,%                                           99.0~101.0

                                      杂质最高含量（以%计）

水不溶物                                                                    0.005

氯化物（Cl）                                                              0.001

总氮量（N）                                                              0.001

磷酸盐（PO4）                                                          0.0005

砷（As）                                                                    0.0002

锰（Mg）                                                                  0.05

高铁（Fe）                                                                0.02

铜（Cu）                                                                   0.002

锌（Zn）                                                                    0.005

铅（Pb）                                                                    0.002

氨水不沉淀物（以硫酸盐计）                                      0.05

注意：具有刺激性

安全措施：贮于阴凉通风处。与氧化剂、碱类分储分运。皮肤（眼睛）接触，用流动清水冲洗。吸入，给输氧或作人工呼吸。