Ferrous sulfate monohydrate
[CAS# 17375-41-6]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Metal sulfides and sulfates
• Name: Ferrous sulfate monohydrate
• Synonyms: Sulfuric acid iron(2+) salt monohydrate
• Molecular Formula: FeSO₄^.H₂O
• Molecular Weight: 169.92
• CAS Registry Number: 17375-41-6
• EC Number: 603-840-1
• SMILES: O.[O-]S(=O)(=O)[O-].[Fe+2]

Safety Data

• Hazard Symbols: GHS07 Warning
• Hazard Statements: H302-H315-H319
• Precautionary Statements: P264-P264+P265-P270-P280-P301+P317-P302+P352-P305+P351+P338-P321-P330-P332+P317-P337+P317-P362+P364-P501

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H302
Skin irritation	Skin Irrit.	2	H315
Eye irritation	Eye Irrit.	2	H319
Specific target organ toxicity - single exposure	STOT SE	3	H335

Discovory and Applicatios

Ferrous sulfate monohydrate, also known as iron (II) sulfate monohydrate, was discovered in the 19th century and is a compound formed by the combination of iron, sulfur, and oxygen. Its crystal structure (each iron sulfate unit contains a water molecule) gives it unique properties that are valuable in many applications.

The main applications of ferrous sulfate monohydrate are in the health and nutrition fields. Iron, an essential mineral in ferrous sulfate monohydrate, plays an important role in various physiological processes, including oxygen transport, energy metabolism, and DNA synthesis. Iron deficiency is characterized by low levels of iron in the body and can lead to anemia, a condition characterized by fatigue, weakness, and impaired cognitive function.

As a source of iron supplementation, ferrous sulfate monohydrate can be used to prevent and treat iron deficiency anemia. It is often used as a dietary supplement for people with low iron levels, including pregnant women, infants, and people with certain medical conditions. Ferrous sulfate monohydrate is an easily absorbed iron supplement that can replenish the body's iron stores and relieve symptoms of anemia.

Ferrous sulfate monohydrate can also be used to fortify foods and beverages. Iron-fortified foods, such as cereals, breads, and fortified milk, are enriched with ferrous sulfate monohydrate to increase their iron content and improve nutritional value. This fortification strategy helps address iron deficiency in populations, especially in areas where iron-rich foods are limited or dietary intake is inadequate.

In addition to its role in health care, ferrous sulfate monohydrate is used in agriculture and horticulture. Iron is an essential trace element for plants and plays a vital role in photosynthesis, chlorophyll synthesis, and enzyme activation. Ferrous sulfate monohydrate can be used as a soil conditioner and fertilizer additive to correct iron deficiency in crops and promote plant growth and productivity.

Ferrous sulfate monohydrate has industrial applications in a variety of processes and products. In wastewater treatment, it is used as a coagulant and flocculant to remove pollutants and impurities from water. It forms insoluble iron hydroxide complexes that help precipitate suspended particles and purify water for safe disposal or reuse.

In addition, ferrous sulfate monohydrate is used as a reducing agent and catalyst in chemical synthesis reactions. It is used in the production of pigments, dyes, and inks to help facilitate the coloring process and improve product quality. Ferrous sulfate monohydrate can be used in the manufacture of steel and ferroalloys, helping to improve the metallurgical and other properties of the final product.

References

2024. Red mud utilisation for sustainable construction and soil improvement: a comprehensive review. Discover Sustainability, 2(1).
DOI: 10.1007/s43621-024-00619-2

2024. Sustainable Valorization of Jarosite as a Concrete Material Investigation of Hydration, Mechanical, and Durability Properties. Journal of Sustainable Metallurgy, 10(5).
DOI: 10.1007/s40831-024-00936-w

2024. Properties of Powders Synthesized from Aqueous Solutions of Sodium Silicate and Iron Sulfate. Glass and Ceramics, 81(7-8).
DOI: 10.1007/s10717-024-00684-z.