Phosphates
di-Potassium hydrogen phosphate (04248)
extra pure, meets analytical specification of E 340, assay (calc. to the dried substance) min. 98.0%
Overview
Specifications
General Information
- Synonyms
- Dipotassium hydrogenphosphate, Dipotassium phosphate, Potassium phosphate dibasic, sec.-Potassium phosphate
- Linear Formula
- K2HPO4
- CAS Number
- 7758-11-4
- Grade
- Extra pure
Physical Properties
- Boiling Point/Range
- No data available
- Physical Form
- Crystalline powder
- Vapor Pressure
- No data available hectopascal
- Color
- Colorless
- Odor
- Odorless
- pH
- 8.7 to 9.4 (20 °C)
Safety Information
- Flammability
- The product is not flammable.
- Chemical Stability
- Stable under recommended storage conditions.
- Thermal Decomposition
- Loss of water of crystallization on heating.
- Self Ignition
- Not auto-flammable
- Incompatible Materials
- Strong acids and strong bases
International Transportation
- Harmonized System Code
- 28352400
General Information
- Synonyms
- Dipotassium hydrogenphosphate, Dipotassium phosphate, Potassium phosphate dibasic, sec.-Potassium phosphate
- Linear Formula
- K2HPO4
- CAS Number
- 7758-11-4
- Grade
- Extra pure
Physical Properties
- Boiling Point/Range
- No data available
- Physical Form
- Crystalline powder
- Vapor Pressure
- No data available hectopascal
- Color
- Colorless
- Odor
- Odorless
- pH
- 8.7 to 9.4 (20 °C)
Safety Information
- Flammability
- The product is not flammable.
- Chemical Stability
- Stable under recommended storage conditions.
- Thermal Decomposition
- Loss of water of crystallization on heating.
- Self Ignition
- Not auto-flammable
- Incompatible Materials
- Strong acids and strong bases
International Transportation
- Harmonized System Code
- 28352400
- Synonyms : Dipotassium hydrogenphosphate, Dipotassium phosphate, Potassium phosphate dibasic, sec.-Potassium phosphate
- Linear Formula : K2HPO4
- CAS Number : 7758-11-4
- Grade : Extra pure
- Boiling Point/Range : No data available
- Physical Form : Crystalline powder
- Vapor Pressure : No data available hectopascal
- Color : Colorless
- Odor : Odorless
- pH : 8.7 to 9.4 (20 °C)
- Flammability : The product is not flammable.
- Chemical Stability : Stable under recommended storage conditions.
- Thermal Decomposition : Loss of water of crystallization on heating.
- Self Ignition : Not auto-flammable
- Incompatible Materials : Strong acids and strong bases
- Harmonized System Code : 28352400
Property
Value
assay (calc. to the dried substance)
Min. 98.0 %
loss on drying (105°C, 4 h)
Max. 2.0 %
pH (1 %,20°C)
8.7 - 9.4
water insoluble matter
Max. 0.01 %
arsenic (As)
Max. 1 ppm
cadmium (Cd)
Max. 1 ppm
iron (Fe)
Max. 0.001 %
mercury (Hg)
Max. 0.0001 %
sodium (Na)
Max. 1 %
lead (Pb)
Max. 1 ppm
heavy metals (as Pb)
Max. 0.0005 %
chloride (Cl)
Max. 0.002 %
fluoride (F)
Max. 10 ppm
sulfate (SO4)
Max. 0.01 %
residual solvents
complying
