SODIUM PHOSPHATE DIBASIC DODECAHYDRATE Extra Pure

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC1635 Extra Pure 98.50% 10039-32-4 Na2HPO4.12H2O 358.14 2835.2990 60 Months

Packings

500 g,25 Kg,50 Kg

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

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 and Hazard Symbols

Symbol
Signal Word
UN No.
IMCO Class No.
Packing Group
Hazardous Statement
Precaution Statement
Risk Statement
Safety Statement
Revision Date : 22-Jan-2016