Appearance | White to pale white Flakes or Crystalline Solid. | Passes |
Assay | Min 98% | 99% |
2% Methanol Solution | Clear and Colourless | Passes |
10% Aqueous Solution | Clear and Colourless | Passes |
UV Transmission | ||
At 200 nm | Min 70% transmission | 78.3% |
At 220 nm | Min 90% transmission | 91.4% |
At 250 nm | Min 98% transmission | 99% |
At 280 nm | Min 99% transmission | 99.5% |
Loss on drying (at 120 deg C) | Max 2% | 0.56% |
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