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POTASSIUM SODIUM TARTRATE TETRAHYDRATE AR/ACS
Rochelle salt
MSDS
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KO
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COAs
Packings
500 g
(00500)
25 Kg
(0025K)
50 Kg
(0050K)
Print friendly version
Article No.
05446
Grade
AR/ACS
Purity
99%
CAS No.
6381-59-5
Molecular Formula
C
4
H
4
KNaO
6
.4H
2
O
Molecular Weight
282.22
H.S. Code
2918.1390
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
Colorless crystalline
Odour
Odorless
pH value
7.0 - 8.5
Melting point/ Freezing point [°C]
70°C
Boiling point [°C]
220°C
Density [g/cm3]
1.79
Solubility in water [% weight]
Soluble in water
Specifications
Appearance
Colorless crystalline powder
Assay
99 - 102%
Insoluble matter
Max 0.005%
pH (5% solution in water; 20°C)
7 - 8.5
Chloride (Cl)
Max 0.0005%
Sulphate (SO4)
Max 0.005%
Phosphate (PO4)
Max 0.001%
Ammonium (NH4)
Max 0.002%
Heavy metal (as Pb)
Max 0.0005%
Iron (Fe)
Max 0.0005%
Copper (Cu)
Max 0.0005%
Calcium (Ca)
Max 0.004%
Safety Information and Hazard Symbols
Safety Statement: 22-24/25
Revision Date:
25-Apr-2017
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POTASSIUM SODIUM TARTRATE TETRAHYDRATE