SODIUM PHOSPHATE DIBASIC DODECAHYDRATE Extra Pure

sec-Sodium phosphate; Sodium phosphate dibasic; Disodium phosphat; Sodium hydrogen phosphate dodecahydrate

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Article No.
05975
Grade
Extra Pure
Purity
98.5%
CAS No.
10039-32-4
Molecular Formula
Na2HPO4.12H2O
Molecular Weight
358.14
H.S. Code
2835.2990
Shelf Life
60 Months
MSDS
 

 

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

Packings

  • 1PW1200500

    500 g (00500)

  • 1PDL00030K

    25 Kg (0025K)

  • 1PDLP0065K

    50 Kg (0050K)

 

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%

Revision Date : 22-Jan-2016
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