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LC4996 L-Serinesuitable for use as excipient |
| Order number | Packaging | Quantity | Price € |
| AC31996 | Plastic bottle | 1 kg | Inquire |
| Product information | |
| Synonyms | 3-Hydroxy-L-alanine |
| Hill Formula | C3H7NO3 |
| HS Code | 2922 50 00 |
| EC number | 200-274-3 |
| Molar mass | 105.09 g/mol |
| CAS number | 56-45-1 |
| Chemical and physical data | |
| Solubility | 364 g/l (20 °C) |
| Melting point | 215 – 225 °C decomposes |
| Molar mass | 105.09 g/mol |
| Bulk density | 570 kg/m3 |
| pH value | 5 – 6 (100 g/l, H2O, 20 °C) |
| Safety information | |
| RTECS | VT8100000 |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | WGK 1 slightly water endangering |
| Disposal | 3 Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C. |
| Specifications | |
| Assay (perchloric acid titration, calculated on dried substance) | 98.5 – 101.0 % |
| Identity (IR-spectrum) | passes test |
| Appearance | white to almost white or colorless, needle-shaped crystals |
| Appearance of solution (50 g/l; water) | clear and not more intense in color than reference solution BY6 |
| Spec. rotation – α 20/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance |
+14.0 to +16.0° |
| – α 25/D, 100 g/l, hydrochloric acid 2 mol/l, calc. on dried substance | +14.0° to +15.6° |
| Chloride (Cl) | ≤ 0.02 % |
| Sulfate (SO4) | ≤ 0.03 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| Fe (Iron) | ≤ 0.001 % |
| NH4 (Ammonium) | ≤ 0.02 % |
| Ninhydrin – positive substances (total (TLC)) | ≤ 0.5 % |
| Residual solvents (Ph.Eur./USP/ICH) class 2 (Methanol) | ≤ 0.3 % |
| Other residual solvents (Ph. Eur./USP/ICH) | excluded by manufacturing process |
| Organic volatile impurities (according to USP) | conforms |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Loss on drying (105 °C; 3 h) | ≤ 0.2 % |
| Bacterial endotoxins | ≤ 2.0 I.U./g |
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