CAS No:50-81-7
ITEMS
Specifications
Appearance
White crystalline powder
Identification
Positive reaction
Melting point
About 190 ºC
Specific rotation
+20.5 --- +21.5 º
PH value
2.1 - 2.6
Clarity of solution
Clear
Colour of solution
BY7 max
Heavy metals
10 ppm max
Copper
5 ppm max
Iron
2 ppm max
Assay(on dried basis)
99.0 - 100.5%
Residue on ignition
0.1% max
Organic volatile impurities
Conforms
Oxalic Acid
0.2% max
Sorbic Acid
Sodium Benzoate
Potassium Sorbate Granular
Potassium Benzoate
Benzoic Acid
Milk Thistle Extract - Silymarin
Green Tea Extract
Black Tea Extract
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