DI-SODIUM TARTRATE AR (DIHYDRATE)

DI-SODIUM TARTRATE AR (DIHYDRATE)
Article No. Grade Purity Cas no. Molecular Formula Molecular Weight H.S. Code Shelf Life
S0198105000 AR 99.0% 6106-24-7 C4H4Na2O6.2H2O 230.08 2918.1390
60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Slight tartaric odor

pH value

7 - 9 at 50 g/l at 20 °C

Melting Point/ Freezing point [°C]

120°C

Density [g/cm3]

1.82

Viscosity at 40°C [mm2/s]

29 g/100 g water at 60C

Solubility in water [% weight]

29 g/100 g water at 60C

Specifications

Appearance:

 White crystalline powder

Identity (IR):

 Passes test

Chloride (Cl):

 Max 0.0005%

Sulphate (SO4):

 Max 0.005%

Heavy metal (as Pb):

 Max 0.0005%

Iron (Fe):

 Max 0.001%

Calcium (Ca):

 Max 0.01%

Ammonium (NH4):

 Max 0.003 %

Assay (by HClO4 titration):

 99.0-101.0%

Phosphate (PO4):

 Max 0.0005%

pH (5% solution in water; 25°C):

 7.0 - 9.0

Insoluble matter (10% in water):

 Max 0.005%

Optical rotation (c = 10%; H2O):

 +25.0° to +27.0°

Loss on drying (150°C to constant weight):

 15.61 - 15.71 %
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Globally Harmonized System of classification and Labelling of Chemicals (GHS)

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