Customization: | Available |
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CAS No.: | 6155-57-3 |
Formula: | C7h4o3nsna.2H2O |
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Audited by an independent third-party inspection agency
Items of inspection | Standard |
Melting point of °C | 226-230 |
Appearance | White crystal |
Content % | 99.0-101.0 |
Water % | ≤15 |
Ammonium Salts | ≤25ppm |
Heavy metals | ≤10ppm |
Arsenic | ≤2ppm |
Lead | ≤2ppm |
Free acid or alkali | Complies with BP/USP/EP |
Benzoate and salicylate | No precipitate or violet color appears |
Readily carbonizable substances | Not more intensely colored than reference |
P-Toluene sulfonamide | ≤10ppm |
O-Toluene sulfonamide | ≤10ppm |
Selenium | ≤30 ppm |
Benzoic acid-sulfonamide | ≤25ppm |
Solubility | Freely soluble in water, sparingly soluble in ethanol |
Clarity and color of solution | Colorless, clear |