Sulfates
Iron(II) sulfate heptahydrate (31236)
analytical reagent, Reag. ACS, Reag. ISO, Reag. Ph. Eur., component in the production of capacitors, assay (manganometric) 99.0 - 103.4%
Overview
-sulfate-7782-63-0-1)
Specifications
General Information
- CAS Number
- 7782-63-0
- Linear Formula
- FeSO4 x 7H2O
- Molar Mass
- 278.01 g/mol
Physical Properties
- Color
- Blue Green
- Vapor Pressure
- No data available hectopascal
- Density
- 1.9 g/cm3 (20 °C)
- pH
- 2.5 to 4.0 at 50 g/l (20 °C)
- Melting Point/Range
- Elimination of water of crystallisation, 64 °C
- Odor
- Odorless
- Boiling Point/Range
- No data available
- Physical Form
- Crystalline powder
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Flammability
- The product is not flammable.
- Incompatible Materials
- Strong oxidizing agents, Air
International Transportation
- Harmonized System Code
- 28332980
General Information
- CAS Number
- 7782-63-0
- Linear Formula
- FeSO4 x 7H2O
- Molar Mass
- 278.01 g/mol
Physical Properties
- Color
- Blue Green
- Vapor Pressure
- No data available hectopascal
- Density
- 1.9 g/cm3 (20 °C)
- pH
- 2.5 to 4.0 at 50 g/l (20 °C)
- Melting Point/Range
- Elimination of water of crystallisation, 64 °C
- Odor
- Odorless
- Boiling Point/Range
- No data available
- Physical Form
- Crystalline powder
Safety Information
- Chemical Stability
- Stable under recommended storage conditions.
- Flammability
- The product is not flammable.
- Incompatible Materials
- Strong oxidizing agents, Air
International Transportation
- Harmonized System Code
- 28332980
- CAS Number : 7782-63-0
- Linear Formula : FeSO4 x 7H2O
- Molar Mass : 278.01 g/mol
- Color : Blue Green
- Vapor Pressure : No data available hectopascal
- Density : 1.9 g/cm3 (20 °C)
- pH : 2.5 to 4.0 at 50 g/l (20 °C)
- Melting Point/Range : Elimination of water of crystallisation, 64 °C
- Odor : Odorless
- Boiling Point/Range : No data available
- Physical Form : Crystalline powder
- Chemical Stability : Stable under recommended storage conditions.
- Flammability : The product is not flammable.
- Incompatible Materials : Strong oxidizing agents, Air
- Harmonized System Code : 28332980
Property
Value
assay (manganometric)
99.0 - 103.4 %
water insoluble matter
Max. 0.01 %
pH (5 %, 20°C)
3.0 - 4.0
arsenic (As)
Max. 0.0002 %
calcium (Ca)
Max. 0.005 %
chromium (Cr)
Max. 50 ppm
copper (Cu)
Max. 10 ppm
iron (III)
Max. 0.025 %
potassium (K)
Max. 0.002 %
magnesium (Mg)
Max. 0.002 %
manganese (Mn)
Max. 0.05 %
sodium (Na)
Max. 0.002 %
nickel (Ni)
Max. 50 ppm
lead (Pb)
Max. 0.0005 %
zinc (Zn)
Max. 20 ppm
sub.not precip.b.NH4OH(SO4)
Max. 0.05 %
chloride (Cl)
Max. 10 ppm
phosphate (PO4)
Max. 0.001 %
total N
Max. 0.001 %
