1、Chemical Name: Ammonium ferrous sulfate
2、Molecular Formula: (NH4)2Fe(SO4)2·6H2O
3、Molecular Weight: 392.14
4、CAS: 10045-89-3
5、Character: It is light blue-green crystals or powder. Light sensitive.In the dry air, it will be effloresced and oxidized slowly. It’s soluble in water, insoluble in ethanol. The density is 1.86 g/cm3,It’s showed low toxicity and light irritation, It will loses water when above 100℃ at temperature.Stable in the air.
6、Usage: It can be used as water purification;In the inorganic chemical industry,it used as the raw material for the production of other iron compounds, such as the production of ferric oxide pigments, magnetic materials, yellow blood salts and other iron salts. It can also be used as mordant in printing and dyeing industry.Tanning and as a preservative in wood industry.Used for the treatment of iron deficiency anemia in pharmaceutical industry.It can be applied to iron-deficiency soil, feed additives, can also be mixed with tannic acid, gallic acid and other compounds to blue-black ink.
7、Packing: It is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry and ventilative warehouse, kept away from heat and moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.
| 质量指标 | Specifications | GB /T661-2011 | |
| 分析纯 | 化学纯 | ||
| 含量（(NH4)2Fe(SO4)2·6H2O），w/% ≥ | Content((NH4)2Fe(SO4)2·6H2O),w/% ≥ | 99.5 | 99.0 |
| PH值（50g/L，25℃） | PH value(50g/L,25℃) | 3.0-5.0 | 3.0-5.0 |
| 水不溶物，w/% ≤ | Water insoluble,w/% ≤ | 0.005 | 0.02 |
| 氯化物（Cl），w/% ≤ | Chlorides(Cl),w/% ≤ | 0.001 | 0.005 |
| 磷酸盐（PO42-），w/% ≤ | Phosphates (PO42-),w/% ≤ | 0.0005 | 0.002 |
| 锰（Mn），w/% ≤ | Manganese(Mn), w/% ≤ | 0.05 | ———— |
| 高铁（Fe），w/% ≤ | Iron(Fe),w/% ≤ | 0.01 | 0.02 |
| 铜（Cu），w/% ≤ | Copper(Cu),w/% ≤ | 0.002 | 0.01 |
| 锌（Zn），w/% ≤ | Zinc(Zn),w/% ≤ | 0.003 | 0.02 |
| 铅（Pb），w/% ≤ | Lead(Pb),w/% ≤ | 0.002 | 0.004 |
| 氨水不沉淀物（以硫酸盐计）,w/% ≤ | Non-sludging in Ammonium Solution(SO4),w/%≤ | 0.1 | 0.2 |
