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CAS number：13463-43-9
molecular formula：FeH2O5S
molecular weight：169.92
EINECS number：603-840-1
Ferrous Sulphate Monohydrate（Powder / Granular）;Sulfuric acid iron(II)/hydrate,(1:x) salt;Ferrous sulfate hydrate, unspecified (FeSO4.xH2O);Dried Ferrous Sulfate, Powder, USP;Iron(Ⅱ) sulfate hydrate;Sulfuric acid, iron(II) salt (1:1), hydrate;Iron(II) sulfate hydrate puriss., meets analytical specification of Ph. Eur., BP, exsiccated, 86.0-89.0% FeSO4 basis;IRON (II) SULPHATE HYDRATED
Food Additives; Inorganic Salts (Minerals); Nutritional Enhancers (Nutrition Supplements; Inorganic Chemicals; Inorganic Salts; Biochemical Reagents; Rare Earths; Inorganic Compounds and Salts; Inorganic Chemical Raw Materials; Chemical Raw Materials; Catalysis and Inorganic Chemistry; Chemical Synthesis; Iron Salts ;Metal and Ceramic Science;Salts;Industry grade;Standards
Off-white to beige powder. Astringent. It is mainly composed of FeSO4?H2O, and contains a small amount of FeSO4?4H2O. Difficult to oxidize and easier to store than crystalline ferrous sulfate. The aqueous solution was acidic and turbid, and a yellow-brown precipitate formed gradually. Absorbs water in humid air to form heptahydrate salts. Heated to 120 ℃ without losing water. It can be converted into basic sulfate by boiling with water. It is slowly dissolved in cold water (26.6g/100ml, 20°C), and rapidly dissolved when heated. Insoluble in ethanol. Almost insoluble in 50% sulfuric acid.
| Melting point | 64 °C |
| Density | 1.9 g/mL at 25 °C(lit.) |
| Vapor Pressure | 14.6 mm Hg ( 25 °C) |
Storage conditions | 2-8°C |
| Solubility | Slowly but freely soluble in water, very soluble in boiling water, practically insoluble in ethanol (96 per cent). |
| Shape | solid |
| PH value | 3.0-4.0 (20℃, 5%) |
Merck | 13,4091 |
| CAS database | 13463-43-9(CAS DataBase Reference) |
Off-white to beige powder. Astringent. It is mainly composed of FeSO4?H2O, and contains a small amount of FeSO4?4H2O. Difficult to oxidize and easier to store than crystalline ferrous sulfate. The aqueous solution was acidic and turbid, and a yellow-brown precipitate formed gradually. Absorbs water in humid air to form heptahydrate salts. Heated to 120 ℃ without losing water. It can be converted into basic sulfate by boiling with water. It is slowly dissolved in cold water (26.6g/100ml, 20°C), and rapidly dissolved when heated. Insoluble in ethanol. Almost insoluble in 50% sulfuric acid.
● Nutritional supplements (fortification with iron). Use the same as ferric lactate. It is used as a coloring agent for black beans, candied broad beans (addition amount of 0.02% to 0.03%), kelp, etc.
● Other uses are the same as "Ferrous Sulfate (01215)".
It is a blood tonic for raising livestock, which can promote the growth and development of animals, and can also be used to make pigments such as iron oxide re
● It is obtained by drying crystalline ferrous sulfate at 40°C into powder. When heated to 45～50℃, it dissolves in crystal water and liquefies, and slowly evaporates crystal water while stirring. The limit of weight loss on drying is 35% to 36%, and it generates fine powder in the state of small particles, which is made into powder and sealed for storage.
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