Ferrous sulfate monohydrate
Ferrous sulfate monohydrate is ferric sulfate hydrate; Chinese alias: ferrous sulfate; ferrous sulfate (Monohydrate); ferrous sulfate, dry products, alum, jarosite, iron fertilizer
Physical and chemical properties
CAS No.: 13463-43-9
EINECS No.: 231-753-5
Customs Code: 28332910
Molecular formula: feso4.h2o
Molecular weight: 169.9229
Melting point: 64 ℃
Boiling point: 330 ° C at 760 mmHg
Steam pressure: 3.35e-05mmhg at 25 ° C
Chemical properties of ferrous sulfate monohydrate
Soluble in water (1g / 1.5ml, 25 ℃ or 1g / 0.5ml boiling water). Insoluble in ethanol. It has reducibility. It is decomposed by high temperature and gives off poisonous gas. In the laboratory, it can be obtained by the reaction of copper sulfate solution with iron. It will be weathered in dry air. In humid air, it is easy to oxidize into brown yellow basic ferric sulfate which is difficult to dissolve in water. 10% aqueous solution is acidic to litmus (pH value is about 3.7). When the temperature is above 73 ℃ to 70 ℃, the molecular weight of iron is lost.
Function and use
It is used for making iron salt, iron oxide pigment, mordant, water purifying agent, antiseptic, disinfectant, etc;
In medicine, it can be used as anti anemia drug, local astringent and blood tonic agent, and can be used for chronic blood loss caused by hysteromyoma;
Iron fortifier as feed additive;
In agriculture, it can be used as pesticide to control wheat smut, scab of apple and pear, and rot disease of fruit tree; edible grade can be used as nutritional supplement, such as iron fortifier, fruit and vegetable coloring agent.
It can be used as fertilizer to remove moss and lichen from tree trunks. It is the raw material of magnetic iron oxide, iron oxide red and iron blue inorganic pigment, iron catalyst and polyferric sulfate.
In addition, it is also used as chromatographic analysis reagent.
Technical parameters of ferrous sulfate monohydrate
Ferrous sulfate (FeSO4 · H2O),% ≥ 91.0
Iron (FE) content,% ≥ 30.0
Lead (PB), content,% ≤ 0.002
Arsenic (as), content,% ≤ 0.0002
Cadmium (CD), content,% ≤ 0.0005
Fineness (passing 180 μ m test sieve) ≥ 95
Packaging and storage
The outer packages are: 50kg and 25kg woven bags, both with lining.
Storage note: store in cool and ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. The package must be sealed and protected from dampness. It should be stored separately from oxidants and alkalis, and should not be mixed. The storage area should be equipped with suitable materials to contain the leakage.