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Specifications
| Grade | Reagent grade |
| Appearance | Light bluish-green crystalline powder |
| Assay | 99.5% min |
| Appearance of solution | Comply with the standard |
| pH | 3.0 to 5.0 |
| Water Insoluble | 0.005% max |
| Chloride (Cl) | 0.001% max |
| Phosphate | 0.0005% max |
| Manganese (Mn) | 0.05% max |
| Iron (Fe) | 0.01% max |
| Copper (Cu) | 0.002% max |
| Zinc (Zn) | 0.005% max |
| Non-sludging to ammonia water (as SO4) | 0.1% max |
Transport Information
|
Parameter |
Specification |
|
UN Number |
2796 |
|
Class |
8 |
|
Packing Group |
II |
|
H.S. Code |
2842909090303 |
|
Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
|
Storage |
Keep container tightly closed in a dry and well-ventilated place. |
|
Condition to Avoid |
|
|
Package |
Applications
Ammonium iron(II) sulfate is widely used in chemical laboratories, industrial processes, and analytical applications due to its stable iron(II) content and water solubility. It is commonly applied as a standard in redox titrations, particularly for determining oxidizing agents, and in the calibration of analytical instruments. The compound is also used in the preparation of iron-based chemicals, pigments, and precursors for ferrites and other inorganic materials. In research, it serves as a source of ferrous ions for studying coordination chemistry, electron transfer processes, and catalytic reactions. Additionally, it is applied in water treatment studies, metal ion analysis, and experimental synthesis protocols where controlled iron(II) availability is required.
Benefits
Ammonium iron(II) sulfate offers several practical benefits, including high purity, solubility, and predictable stoichiometry. Its crystalline form provides ease of handling, accurate weighing, and long-term stability under standard storage conditions. The compound's water solubility enables convenient solution preparation for titrations, assays, and chemical reactions. Its consistent iron(II) content ensures reliable reproducibility in quantitative experiments and industrial applications. Additionally, the ammonium counterion contributes to improved solubility and reduced side reactions compared with other ferrous salts, making it a versatile and dependable reagent for laboratory and industrial use.
Conclusion
Ammonium iron(II) sulfate is a versatile iron salt with broad applications in analytical chemistry, industrial processes, and research studies. Its benefits, including high solubility, stability, and reproducible iron(II) content, make it a valuable compound for titrations, chemical synthesis, and experimental investigations. The compound continues to support accurate quantitative analysis, controlled chemical reactions, and the development of iron-based materials.
