灰白色或微黄色粉末，易吸潮，水溶液呈酸性反应。对光敏感。在水中溶解缓慢，但在水中有微量硫酸亚铁时溶解较快，微溶于乙醇，几乎不溶于丙酮和乙酸乙酯。在水溶液中缓慢地水解。热至480℃分解。商品通常约20%水呈浅黄色。也有含9分子结晶水的。175℃失去7分子结晶水。
熔点  480°C 
密度  3.097 
 

Q/(HG)SJ 769-1998
项目Item                                             分析纯       化学纯
                                                      (AR)         (CP)
含量(以Fe计)Assay,%                                  21.0-23.0  21.0-23.0
不溶物Insoluble matter,%                             ≤ 0.01       0.02
氯化物(Cl)Chloride,%                                 ≤ 0.002      0.005
硝酸盐(NO3)Nitrate,%                                    合格       合格
碱金属与碱土金属(以硫酸盐计)Alkali and
alkali erath metals,%                               ≤ 0.1         0.25
亚铁(Fe2+)Ferrous,%                                 ≤ 0.1         0.25
铜(Cu)Copper,%                                      ≤ 0.005       0.01
锌(Zn)Zinc,%                                        ≤ 0.005       0.02
砷(As)Arsenic,%                                     ≤ 0.0005      0.001
 
 
品级Grade                               植物细胞培养级   
                                    (for plant cell culture) 
外观appearance                        yellow to brown powder 
水溶性solubility                      clear to very slightly hazy yellow solution 
铁iron                                 21-23% 
植物细胞培养plant cell culture test    pass
 
 
99.99% metals basis:
 
 
外观Appearance                          yellow to brown powder 
X-射线衍射分析X-Ray Diffraction         Conforms to Structure
纯度Purity                              ≥99.99% Based on Trace Metals Impurities
ICP Major Analysis                      Confirms Iron component 
总痕量金属杂质total metallic impurities   ≤200ppm by ICP Atomic emission

	危险品标志  Xn 
危险类别码  22-36/37 
安全说明  26 
危险品运输编号  UN 9121 
WGK Germany  3
RTECS  NO8520000

 

	1.  用于制颜料、药物，并用作媒染剂、净水剂等 
2.  用作铁盐无机高分子絮凝剂，主要用于城镇生活饮用水、工业给水方面 
3.  用作分析试剂、净水剂、铁催化剂及媒染剂 
 
密封保存