L-alanine CAS 338-69-2
L-alanine CAS 338-69-2
Packing: 25kg/drum
Expiry Date: 2 year
Standard: USP36
Free sample: 100g.
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Expiry Date: 2 year
Standard: USP36
Free sample: 100g.
| Items | Specifications |
| Appearance | White crystals or crystalline powder |
| Assay | 98.5~101.5% |
| Residue on ignition | ≤0.15% |
| Chloride(Cl) | ≤0.05% |
| Sulfate(SO4) | ≤0.03% |
| Iron（Fe） | ≤30ppm |
| Heavy metals(Pb) | ≤15ppm |
| Organic Impurities | Not more than 0.5% of any individual impurity is found；Not more than 2.0% of total impurities is found |
| Specific rotation [α]D25 | +13.7°~+15.1° |
| PH | 5.5~7.0 |
| Loss on drying | ≤0.2% |
