Main page (Russian)
Search in database (English)
Properties of substance:
iron(II) sulfate heptahydrate
Group of substances:
inorganic
Physical appearance:
bluish green monoclinic crystalsEmpirical formula (Hill's system for organic substances):
H14FeO11SStructural formula as text:
FeSO4 * 7H2OMolar/atomic mass: 278.01
Melting point (°C):
64Decomposition temperature (°C):
56.8Solubility (g/100 g of solvent):
water: 15.8 (0°C) [Ref.]
water: 20.8 (10°C) [Ref.]
water: 26.3 (20°C) [Ref.]
water: 32.8 (30°C) [Ref.]
water: 40.1 (40°C) [Ref.]
water: 48.4 (50°C) [Ref.]
water: 55.3 (63.7°C) [Ref.]
water: 43.7 (80°C) [Ref.]
Density:
1.898 (18°C, g/cm3)
Refractive index (nD):
1.478 (20°C)
Standard molar enthalpy (heat) of formation ΔfH0 (298.15 K, kJ/mol):
-3016 (s)Standard molar Gibbs energy of formation ΔfG0 (298.15 K, kJ/mol):
-2512 (s)Standard molar entropy S0 (298.15 K, J/(mol·K)):
409.1 (s)Molar heat capacity at constant pressure Cp (298.15 K, J/(mol·K)):
394.5 (s)LD50 (mg/kg):
533 (rats, oral)
References:
- Seidell A. Solubilities of inorganic and metal organic compounds. - 3ed., vol.1. - New York: D. Van Nostrand Company, 1940. - pp. 539-541
- Рабинович В.А., Хавин З.Я. Краткий химический справочник. - Л.: Химия, 1977. - pp. 63 [Russian]
- Реми Г. Курс неорганической химии. - Т.2. - М., 1966. - pp. 299 [Russian]
- Справочник по растворимости. - Т.1, Кн.1. - М.-Л.: ИАН СССР, 1961. - pp. 351 [Russian]
What information do you need?
© Collected Ruslan Anatolievich Kiper, burewestnik@mail.ru