| send us an inquiry |
LC244 L-Aspartic acidextra pure Ph Eur,BP,USP |
| Order number | Packaging | Quantity | Price € |
| AC27244 | Plastic bottle | 100 g | inquire |
| AC27244 | Plastic bottle | 1 kg | inquire |
| AC27244 | Plastic drum | 25 kg | inquire |
| Product information | |
| Grade | Ph Eur,BP,USP |
| Synonyms | L-a-Aminosuccinic acid |
| Hill Formula | C4H7NO4 |
| HS Code | 2922 49 85 |
| EC number | 200-291-6 |
| Molar mass | 133.1 g/mol |
| CAS number | 56-84-8 |
|
Chemical and physical data |
|
| Solubility | 4 g/l (20 °C) |
| Melting point | 269 – 271 °C (decomposition) |
| Molar mass | 133.1 g/mol |
| Bulk density | 430 kg/m3 |
| pH value | 2.5 – 3.5 (4 g/l, H2O, 20 °C) |
| Safety information | |
| Storage class | 10 – 13 Other liquids and solids |
| WGK | NWG not 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 (acidimetric; calculated on dried substance) | 98.5 – 101.5 % |
| Identity (IR-spectrum) | passes test |
| Appearance | White crystalline powder or colorless crystals. |
| Appearance of solution (50 g/l; hydrochloric acid 1 mol/l) | Clear and not more intense in color than reference solution BY6 (Ph. Eur.). |
| Spec. rotation (α 20/D, 80 g/l, hydrochloric acid 250 g/l, calc. on dried substance) | +24.0 ° to +26.0 ° |
| Chloride (Cl) | ≤ 0.02 % |
| Sulfate (SO4) | ≤ 0.03 % |
| Heavy metals (as Pb) | ≤ 0.001 % |
| NH4 (Ammonium) | ≤ 0.02 % |
| Fe (Iron) | ≤ 0.001 % |
| Residual solvents (Ph. Eur./USP/ICH) | excluded by manufacturing process |
| Organic volatile impurities (according to USP) | conforms |
| Ninhydrin – positive substances (TLC) | passes test |
| Sulfated ash (600 °C) | ≤ 0.1 % |
| Loss on drying (105 °C) | ≤ 0.5 % |
| Corresponds to Ph. Eur., BP, USP. | |
 |