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L-Aspartic Acid
Specifications
| Item | Index |
| Identification | Conforms |
| State Of Solution | ≥98.0% |
| Specific Rotation | +24.8° ~ +25.8° |
| pH | 2.5 ~ 3.5 |
| Chloride(CL) | ≤0.020% |
| Sulfate(SO4) | ≤0.020% |
| Ammonium(NH4) | ≤0.02% |
| Heavy Metals(Pb) | ≤10ppm |
| Iron(Fe) | ≤10ppm |
| Arsenic(As2O3) | ≤1ppm |
| Other Amino Acids | Conforms |
| Loss On Drying | ≤0.20% |
| Residue On Ignition | ≤0.10% |
Packing & Storage
| Packing | In 25kg bag |
| Storage | 20℃, 2 years. |
| Shipping | Room temperature in China; may vary elsewhere |
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General Information
Chemical & Physical Information
Safety Information
Synthetic Route
Chemical & Physical Information
| Common Names | L-Aspartic acid | asparagic acid | 1-amino-1,2-carboxyethane | ||
| Structure |  | ||
| CAS No. | 56-84-8 | Boiling Point (℃) | 264.1±30.0 °C |
| Molecular Weight | 133.1 | Melting Point (℃) | >300 °C |
| Appearance | White powder | Vapor Specific Gravity | 1.5±0.1 |
| HS Code | 2922491990 | Flash Point (℃) | 113.5±24.6 °C |
| Solubility | Water soluble 5 g/L (25°C) | Autoignition Temperature (℃) | / |
Safety Information
| Safety Phrases | / | ||
| RIDADR | / | ||
| WGK Germany | / | ||
| Packaging Group | / | ||
| Hazard Class | / | ||
| SYMPTOMS | PREVENTION | FIRST AID | |
| Inhalation | Cough. Sore throat. | Use local exhaust or breathing protection. | Fresh air, rest. |
| Skin | Redness. Burning sensation. Itching. | Protective gloves. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
| Eyes | Redness. Pain. | Wear safety goggles. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
| Ingestion | Abdominal pain. Nausea. Vomiting. | Do not eat, drink, or smoke during work. Wash hands before eating. | Rinse mouth. Induce vomiting (ONLY IN CONSCIOUS PERSONS!). Refer for medical attention. |
Synthetic Route
