SODIUM PHOSPHATE MONOBASIC LR (DIHYDRATE)

SODIUM PHOSPHATE MONOBASIC LR (DIHYDRATE) SODIUM PHOSPHATE MONOBASIC LR (DIHYDRATE)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
S0191205000 LR 98% 13472-35-0 NaH2PO4·2H2O 156.01 2835.2200
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

4.2 - 4.5

Melting Point/ Freezing point [°C]

60°C

Density [g/cm3]

1.92

Solubility in water [% weight]

Soluble in water

Specifications

Appearance:

 Colourless crystals or a white powder

Chloride (Cl):

 Max 0.025%

Sulphate (SO4):

 Max 0.03%

Heavy metal (as Pb):

 Max 0.001%

Arsenic (As):

 Max 0.0002%

Iron (Fe):

 Max 0.002%

Assay:

 98-100.5%

Substance reducing KMnO4 (as O):

 Passes test

Identifications:

 Passes test

Appearance of solution:

 Passes test

pH (5% solution in water):

 4.2 - 4.5

Disodium phosphate:

 Passes test

Loss on drying (at 130°C):

 21.5 - 24%
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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