Item Specification Result
Assay 99-101% 99.55%
Identification Complies of BP98 Complies
Appearance a white, crystalline Complies
Appearance of solution The solution is clear and
colourless
Complies
Ammoniumsalts ppm ≤25 16.5
Arsenic ppm ≤3 1.6
Melting point of isolated
saccharin
226-230oC 227.1-228.5 oC
Benzoate and salicylate No precipitate or violet color
appears
Complies
Benzoic acid-sulfonamide ≤25 ppm 20 ppm
Free acid or alkali Complies with BP2000 Complies
Readily carbonizable substances Not more than intensely
colored than reference
Complies
Acidity or alkalinity 4.5-5.5ml 5.1ml
0-and p-Toluenesulphonamide ≤10ppm 7 ppm of each
Heavymetals ≤10 ppm 6.7ppm
Loss on drying% ≤15.0 14.02
Selenium ppm ≤30 6
PHvalue Complies with BP2000 7.0
Mesh size 8-16 mesh, 20-40mesh, 10-20