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di- Sodium hydrogen phosphate dihydrate BioChemica
Synonym
Disodium phosphate, Na2HPO4 · 2H2O, sec.-Sodium
phosphate Solubility (20°C)
93 g/L (H2O) Thermal dec.
95°C Formula
HNa2O4P · 2H2O M
177.99 g/mol CAS-No.:
10028-24-7 HS-No.:
28352200 EC-No.:
231-448-7 Storage:
RT LGK:
10 - 13 Disposal:
14 WGK:
1 Specification
Assay (titr.)
min. 99.5 % pH (5 %; H2O)
8.8 - 9.4 (20°C) Heavy metals (as Pb)
max. 0.001 % Insoluble matter
complies Chloride
max. 0.001 % Fluoride
max. 0.0001 % Sulfate
max. 0.005 % A (1 cm/0.1 M in H2O)
260 nm
max. 0.05 280 nm
max. 0.05 A3905