Saccharin is an artificial sweetener with effectively no food energy which is about 300–400 times as sweet as sucrose or table sugar, but has a bitter or metallic aftertaste, especially at high concentrations. It is used to sweeten products such as drinks, candies, cookies, medicines, and toothpaste.
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| IUPAC name 2H-1λ6,2-Benzothiazol-1,1,3-trione |
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| Other names
Benzoic sulfimide |
| CAS Number | 81-07-2 |
| ChEBI | CHEBI:32111 |
| ChEMBL | ChEMBL310671 |
| ChemSpider | 4959 |
| IUPHAR/BPS | 5432 |
| Jmol interactive 3D | Image |
| KEGG | D01085 |
| PubChem | 5143 |
| UNII | FST467XS7D |
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| Chemical formula | C7H5NO3S |
| Molar mass | 183.18 g·mol−1 |
| Appearance | White crystalline solid |
| Density | 0.828 g/cm3 |
| Melting point | 228.8 to 229.7 °C (443.8 to 445.5 °F; 501.9 to 502.8 K) |
| Solubility in water | 1 g per 290 mL |
| Acidity (pKa) | 1.6[2] |