We give our employees a sense of corporate honor, earn the respect of our employees, and continuously meet the needs of our customers to earn the respect of our customers and the Food Grade Potassium Sorbate, Magnesium Sulfate, Manganese Acetate industry. To follow the law, which is reflected in the knowledge of good deeds and compliance with the law. Our employees are strictly trained and insist on safety and environmental protection at work.
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.

Specifications | GB /T661-2011 | |
AR | CP | |
Content((NH4)2Fe(SO4)2·6H2O),w/% ≥ | 99.5 | 99.0 |
PH value(50g/L,25℃) | 3.0-5.0 | 3.0-5.0 |
Water insoluble,w/% ≤ | 0.005 | 0.02 |
Chlorides(Cl),w/% ≤ | 0.001 | 0.005 |
Phosphates (PO42-),w/% ≤ | 0.0005 | 0.002 |
Manganese(Mn), w/% ≤ | 0.05 | ———— |
0.01 | 0.02 | |
Copper(Cu),w/% ≤ | 0.002 | 0.01 |
Zinc(Zn),w/% ≤ | 0.003 | 0.02 |
Lead(Pb),w/% ≤ | 0.002 | 0.004 |
Non-sludging in Ammonium Solution(SO4),w/%≤ | 0.1 | 0.2 |

Facing the future, we will always carry forward the spirit of striving for first-class, stand out in the market competition, and create more high-quality Preparation of Ferrous Ammonium Sulfate. Looking forward to the future, we firmly believe that we will continue to move forward with scientific strategic planning and meticulous and forward-looking R&D innovation. We insist that development is for the employees, development relies on the employees, and the fruits of development are shared by the employees.
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