SODIUM PHOSPHATE DIBASIC DODECAHYDRATE

SODIUM PHOSPHATE DIBASIC DODECAHYDRATE Extra Pure

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

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

Certificate of Analysis (COAs)

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

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