Phosphates
di-Sodium hydrogen phosphate dihydrate (04272)
extra pure, meets analytical specification of Ph. Eur., BP, assay (calc. to the dried substance) 98.5 - 101.0%
Overview
Specifications
General Information
- Linear Formula
- Na2HPO4
- CAS Number
- 10028-24-7
- Grade
- Extra pure
Physical Properties
- Physical Form
- Crystalline powder
- Vapor Pressure
- No data available hectopascal
- pH
- 9.0 to 9.2 at 50 g/l
- Boiling Point/Range
- No data available
- Color
- Colorless
- Odor
- Odorless
Safety Information
- Thermal Decomposition
- 95 °C
- Flammability
- The product is not flammable.
- Incompatible Materials
- None
- Chemical Stability
- Stable under normal conditions.
International Transportation
- Harmonized System Code
- 2835220000
General Information
- Linear Formula
- Na2HPO4
- CAS Number
- 10028-24-7
- Grade
- Extra pure
Physical Properties
- Physical Form
- Crystalline powder
- Vapor Pressure
- No data available hectopascal
- pH
- 9.0 to 9.2 at 50 g/l
- Boiling Point/Range
- No data available
- Color
- Colorless
- Odor
- Odorless
Safety Information
- Thermal Decomposition
- 95 °C
- Flammability
- The product is not flammable.
- Incompatible Materials
- None
- Chemical Stability
- Stable under normal conditions.
International Transportation
- Harmonized System Code
- 2835220000
- Linear Formula : Na2HPO4
- CAS Number : 10028-24-7
- Grade : Extra pure
- Physical Form : Crystalline powder
- Vapor Pressure : No data available hectopascal
- pH : 9.0 to 9.2 at 50 g/l
- Boiling Point/Range : No data available
- Color : Colorless
- Odor : Odorless
- Thermal Decomposition : 95 °C
- Flammability : The product is not flammable.
- Incompatible Materials : None
- Chemical Stability : Stable under normal conditions.
- Harmonized System Code : 2835220000
Property
Value
assay (calc. to the dried substance)
98.5 - 101.0 %
assay of NaH2PO4 (calc.to dried subst.)
Max. 1.0 %
loss on drying (130°C)
19.5 - 21.0 %
pH (1 %,20°C)
9.0 - 9.4
arsenic (As)
Max. 2 ppm
iron (Fe)
Max. 10 ppm
heavy metals (as Pb)
Max. 10 ppm
chloride (Cl)
Max. 50 ppm
sulfate (SO4)
Max. 0.01 %
appearance of the solution
complying
reducing impurities
complying
residual solvents
complying
