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DL-METHIONINE For Biochemistry (Confirms to BP) (±)-2-Amino-4-(methylmercapto)butyric acid; DL-2-Amino-4-(methylthio)butanoic acid
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Warranty 1 year
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Description
| Article No. | 04606 | Grade | For Biochemistry |
| Purity | 99% | CAS No. | 59-51-8 |
| Molecular Formula | C5H11NO2S | Molecular Weight | 149.21 |
| H.S. Code | 2930.4000 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White granular | ||||
| Melting point/ Freezing point [°C] | 280 °C | Boiling point [°C] | 186 °C | ||||
| Density [g/cm3] | 1.34 | Solubility in water [% weight] | Soluble in water | ||||
Specifications
| Appearance | White to almost white, crystalline powder or small flakes, melt at 270°C | Assay (Potentiometric; on anhydrous basis) | 99.0-101.0% |
| Solubility | Sparingly soluble in water, very slightly soluble in alcohol. It dissolves in dilute acids and in dilute solutions of the alkali hydroxides | Identifications | To comply BP test |
| Appearance of solution | To comply BP test | Loss on drying (at 105°C; 3 hrs) | Max 0.5% |
| pH (2% solution in water) | 5.4 to 6.1 | Chlorides | Max 0.02% |
| Sulphates | Max 0.02% | Heavy metal (as Pb) | Max 0.002% |
| Sulphated ash | Max 0.1% | Related Substances ( by TLC) |
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