L-Proline
Product Description
| Product | L-Proline |
| CAS | 147-85-3 |
| Formula | C5H9NO2 |
| Synonym | Proline, L-2-Pyrrolidinecarboxylic Acid, L-Proline |
Typical Product Specifications
| Assay | 98.5 - 101.5% |
| Identification | To pass IR test |
| Specific Rotation | -84.3ยฐ to -86.3ยฐ |
| Loss on Drying | not more than 0.4% |
| Residue on Ignition | not more than 0.4% |
| Chloride | 0.05% max |
| Sulfate | 0.03% max |
| Iron | 0.003% |
| Heavy Metals | 0.0015% |
| Insolubility | in ether |
| Color | colorless or white crystal or crystal powder |
| Melting Point | 220-222 c with dec. |
| Molecular weight | 115.13 |
| Solubility | alcohol, water |
| Chemical Structure | ![]() |
| Class | Vitamins - Nutritional Ingredients - Amino Acids, Green Chemicals - Eco-Friendly |

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