SODIUM PHOSPHATE DIBASIC DODECAHYDRATE
SODIUM PHOSPHATE DIBASIC DODECAHYDRATE Extra Pure
Short Name: SODIUM PHOSPHATE DIBASIC DODECAHYDRATE
Synonym: sec-Sodium phosphate; Sodium phosphate dibasic; Disodium phosphat; Sodium hydrogen phosphate dodecahydrate
Basic Details
Article No.
LG4241
Grade
Extra Pure
Purity
98.5%
CAS No.
10039-32-4
HS Code
2835.2990
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
Colorless crystals
Odour
Odorless
pH value
8.4 - 9.6 at 36 g/l at 25 °C
Melting point/ Freezing point [°C]
34°C
Density [g/cm3]
1.5
Solubility in water [% weight]
35.8 g/l at 20 °C
Chemical Specifications
Appearance
Colourless crystals
Assay (acidimetric)
98.5 - 100.5%
pH (5% solution in water)
9.0 - 9.3
Chloride (Cl)
Max. 0.01%
Sulphate (SO4)
Max. 0.01%
Sodium dihydrogen phosphate (NaH2PO4)
Max. 1.0%
Heavy metal (as Pb)
Max. 0.001%
Iron (Fe)
Max. 0.001%
Arsenic (As)
Max. 0.0001%
Substance reducing KMnO4 (as O)
Max. 0.02%
Loss on drying (at 130°C)
57 - 61%
Water (by KF)
57 - 61%
Safety Information & Hazard Symbols