Ferrous sulfate heptahydrate
Ferrous sulfate heptahydrate, commonly known as chlorite, has a chemical formula of FeSO4 · 7H2O and a molecular weight of 278.05. It is irritant to human respiratory tract and causes cough and shortness of breath when inhaled. Irritating to eyes, skin and mucous membrane. It can cause weakness, abdominal pain, nausea, hematochezia, lung and liver damage, shock, coma, etc.
Physicochemical properties of ferrous sulfate heptahydrate
Appearance and character: light blue green monoclinic crystal
Melting point (℃): 64 (- 3H2O)
No boiling point (℃)
Relative density (water = 1): 1.897 (15 ℃)
Solubility: soluble in water, glycerin, insoluble in ethanol.
Main uses: used as water purifier, gas purifier, mordant, herbicide, ink, pigment, etc.
Other physical and chemical properties: high temperature decomposition 2feso4 · 7H2O = = high temperature = = Fe2O3 + SO2 ↑ + SO3 ↑ + 14h2o
Use of ferrous sulfate heptahydrate
In industry, it is used to produce iron salt, ink, iron oxide red and indigo, mordant, tanning agent, water purifying agent, wood preservative and disinfectant, etc.; in agriculture, it is used as chemical fertilizer, herbicide and pesticide.
In agriculture, ferrous sulfate heptahydrate, also known as alum, is commonly used as chemical fertilizer, pesticide and herbicide, mainly for the treatment of wheat smut.
Agricultural grade ferrous sulfate is used to adjust the pH value of soil, which can make the soil with high alkalinity become less large, and can supplement iron to plants. It can also be used as pesticide to control the disease of wheat and fruit trees
Ferrous sulfate heptahydrate can also be used as fertilizer. It is a catalyst for plant to produce green pigment and plays an important role in plant absorption. Because of the lack of iron, plants are easy to yellowing, which can be combined with watering and fertilization. Ferrous sulfate is used in gardening to kill mosses.
Ferrous sulfate heptahydrate The outer bag should be tightly sealed with a net weight of 50kg. Bulk products should be placed in a cool place, not easy to be exposed to sunlight and rain, and should not be mixed with toxic and harmful substances.