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| CAS No.: | Food Grade |
|---|---|
| Formula: | C7h9nnao5s |
| EINECS: | 204-886-1 |
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| Testing Item | Standard | Result |
| Identification | Positive | Complies |
| Melting point of | 2 2 6 -2 3 0°C | 227.1-229.5°C |
| Appearance | White crystal | White crystal |
| Content | 99.0-101.0 % | 99.62 % |
| Loss on drying | ≤15 % | 13.89 % |
| Ammonium Salts | ≤25ppm | 15ppm |
| Arsenic | ≤2ppm | 0.1ppm |
| Lead | ≤2ppm | 0.1ppm |
| Benzoate and salicylate | No precipitate or violet color appears | Complies |
| Heavy metals | ≤10ppm | 5ppm |
| Free acid or alkali | Complies with BP/USP/EP | Complies |
| Readily carbonizable substances | Not more intensely colored than reference | Complies |
| P-Toluene sulfonamide | ≤10ppm | 5ppm |
| O-Toluene sulfonamide | ≤10ppm | 5ppm |
| Selenium | ≤30 ppm | 5ppm |
| Related substance | Complies with BP/USP/EP | Without |
| Clarity and color of solution. | Colorless, clear | Colorless, clear |
| Organic volatiles | Complies with BP/USP/EP | Without |
| PH value | Complies with BP/USP/EP | 6.5 |
| Benzoic acid- sulfonamide | ≤25ppm | 15ppm |


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