| ITEM | STANDARD |
| Identification | Positive |
| Melting point of insolated saccharin ℃ | 226-230 |
| Appearance | White crystals |
| Content? % | 99.0-101.0 |
| Loss on drying % | =<15 |
| Ammonium salts? ppm | =<25 |
| Arsenic? ppm | =<3 |
| Benzoate and salicylate | No precipitate or violet color appears |
| Heavy metals? ppm | =<10 |
| Free acid or alkali | Complies with BP /USP/DAB |
| Readily carbonizable substances | Not more intensely colored than reference |
| P-toluene sulfonamide | =<10ppm |
| O-toluene sulfonamide | =<10ppm |
| Selenium? ppm | =<30 |
| Related substance | Complies with DAB |
| Clarity and color solution | Color less clear |
| Organic volatiles | Complies with BP |
| PH value | Complies with BP/USP |
| Benzoic acid-sulfonamide | =<25ppm |