Sulfates
Magnesium sulfate heptahydrate (13142)
extra pure, meets analytical specification of Ph. Eur., BP, USP, FCC, assay (calc. to the dried substance) 99.5 - 100.5%
Overview
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Specifications
General Information
- Linear Formula
- MgSO4
- Molar Mass
- 246.47 g/mol
- CAS Number
- 10034-99-8
- Grade
- Extra pure
Physical Properties
- Physical Form
- Crystalline powder
- Melting Point/Range
- 1,124 °C (Decomposes before melting)
- Odor
- Odorless
- Vapor Pressure
- Not applicable hectopascal
- Density
- 1.68 g/cm3 (20 °C)
- pH
- 5.0 to 9.2 (25 °C)
- Color
- Colorless
- Boiling Point/Range
- Not Determined
Safety Information
- Flammability
- The product is not flammable.
- Chemical Stability
- Stable under normal conditions.
- Thermal Decomposition
- Loss of water of crystallization on heating.
- Incompatible Materials
- None known
- Self Ignition
- Not auto-flammable
International Transportation
- Harmonized System Code
- 2833210000
General Information
- Linear Formula
- MgSO4
- Molar Mass
- 246.47 g/mol
- CAS Number
- 10034-99-8
- Grade
- Extra pure
Physical Properties
- Physical Form
- Crystalline powder
- Melting Point/Range
- 1,124 °C (Decomposes before melting)
- Odor
- Odorless
- Vapor Pressure
- Not applicable hectopascal
- Density
- 1.68 g/cm3 (20 °C)
- pH
- 5.0 to 9.2 (25 °C)
- Color
- Colorless
- Boiling Point/Range
- Not Determined
Safety Information
- Flammability
- The product is not flammable.
- Chemical Stability
- Stable under normal conditions.
- Thermal Decomposition
- Loss of water of crystallization on heating.
- Incompatible Materials
- None known
- Self Ignition
- Not auto-flammable
International Transportation
- Harmonized System Code
- 2833210000
- Linear Formula : MgSO4
- Molar Mass : 246.47 g/mol
- CAS Number : 10034-99-8
- Grade : Extra pure
- Physical Form : Crystalline powder
- Melting Point/Range : 1,124 °C (Decomposes before melting)
- Odor : Odorless
- Vapor Pressure : Not applicable hectopascal
- Density : 1.68 g/cm3 (20 °C)
- pH : 5.0 to 9.2 (25 °C)
- Color : Colorless
- Boiling Point/Range : Not Determined
- Flammability : The product is not flammable.
- Chemical Stability : Stable under normal conditions.
- Thermal Decomposition : Loss of water of crystallization on heating.
- Incompatible Materials : None known
- Self Ignition : Not auto-flammable
- Harmonized System Code : 2833210000
Property
Value
assay (calc. to the dried substance)
99.5 - 100.5 %
loss on drying (450°C)
48.0 - 52.0 %
pH (5 %, 25 °C)
5.0 - 9.2
free acid (as H2SO4)
Max. 0.01 %
free alkali (as MgO)
Max. 0.004 %
acidity or alkalinity
complying
arsenic (As)
Max. 2 ppm
iron (Fe)
Max. 20 ppm
lead (Pb)
Max. 4 ppm
selenium (Se)
Max. 30 ppm
heavy metals (as Pb)
Max. 10 ppm
chloride (Cl)
Max. 100 ppm
residual solvents
complying
appearance of the solution
complying
