Description
(S)-(+)-Aminosuccinic acid, (S)-Aminobutanedioic acid
L-ASPARTIC ACID 98.5% For Biochemistry
| Article No. | 01571 | Grade | For Biochemistry |
| Purity | 98.5% | CAS No. | 56-84-8 |
| Molecular Formula | C4H7NO4 | Molecular Weight | 133.10 |
| H.S. Code | 2922.4990 | Shelf Life | 60 Months |
Physical Properties
| Physical state at 20 °C | Solid | Colour | White crystalline | ||||
| pH value | 2.8 | Melting point/ Freezing point [°C] | > 300 °C | ||||
| Density [g/cm3] | 1.661 | Solubility in water [% weight] | Slightly soluble in water | ||||
| Partition coefficient Log Pow octanol / water at 20°C | -3.9 | ||||||
Specifications
| Appearance | White crystalline powder | Assay | 98.5 – 101.5% |
| Specific optical rotation ([α]20/D) | +24 deg to +26 deg | Residue on ignition | Max 0.1% |
| Identification | Passes test | Chloride (Cl) | Max 0.02% |
| Sulphate (SO4) | Max 0.03% | Iron (Fe) | Max 0.001% |
| Lead (Pb) | Max 0.001% | Loss on drying (at 105°C ; 3 hrs) | Max 0.5% |