Specification
Synonyms
iron (II) sulfate heptahydrate; Iron( cento) sulfate heptahydrate; MFCD00149719; Iron(II) sulfate heptahydrate, puriss., meets analytical specification of Ph. Eur., BP, USP, FCC, 99.5-104.5% (manganometric); Iron(II) sulfate heptahydrate, plant cell culture tested, >=99%; Iron protosulfate; Iron sulfate heptahydrate; D01725; iron sulphate heptahydrate; J-521365;
IUPAC Name
iron(2+);sulfate;heptahydrate;
Canonical SMILES
O.O.O.O.O.O.O.[O-]S(=O)(=O)[O-].[Fe+2];
InChI
InChI=1S/Fe.H₂O4S.7H₂O/c;1-5(2,3)4;;;;;;;/h;(H2,1,2,3,4);7*1H2/q+2;;;;;;;;/p-2;
InChI Key
SURQXAFEQWPFPV-UHFFFAOYSA-L;
Application
In manufacture of Fe, Fe Compounds, other sulfates; in Fe electroplating baths; in fertilizer; as food and feed supplement; in radiation dosimeters; as reducing agent in chemical processes; as wood preservative; as weed-killer; in prevention of chlorosis in plants; in other pesticides; in writing ink; in process engraving and lithography; as dye for leather; in etching aluminum; in water treatment; in qualitative analysis ("brown ring" test for nitrates); as polymerization catalyst. As analytical reagent; as raw material for ferrite; raw material to produce magnetic iron oxide, iron(III) oxide and iron blue inorganic pigment, iron catalyst and poly iron sulfate; as chromatographic reagent. In agriculture, it is used as pesticide in agriculture to control wheat smut, scab of apple and bear, fruit tree decay; as fertilizer to remove moss and lichen of food trunk. Medically it is used as local astringent, blood tonic and anti-anemia. Ferrous sulfate heptahydrate (feed grade) can be used as the iron fortifier for feed additive. Ferrous sulfate heptahydrate (food grade) is used as nutrition supplements, such as iron fortifier, coloring agent for fruit and vegetable. According to Chinese regulation, it can be used in following foods and with allowed amounts:
Sweets with filling and salt: 3000~6000 mg/kg;
Cereals with high iron content and corresponding products (maximum daily consumption 50g): 860~960 mg/kg;
Dairy and infant foods: 300-500 mg/kg;
Cereals and corresponding products: 120~140 mg/kg;
Beverages: 50~100 mg/kg. It is used to produce iron salt, iron oxide pigment, mordant, water purifier, preservatives, disinfectant, etc.
Covalently-Bonded Unit Count
9
Monoisotopic Mass
277.961g/mol
Topological Polar Surface Area
95.6A^2