Molekula L-Proline
Specification & product details.
L-Proline is a non-essential amino acid used in peptide synthesis, pharmaceuticals, and as a catalyst in organic reactions.
CAS number: 147-85-3
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Specifications
| Property | Value |
| Appearance | White powder |
| Specific rotation | -84.5° to -86.0° |
| Heavy metals | ≤ 15ppm |
| Identification | Conforms to reference |
| pH | 5.9 - 6.9 |
| Loss on Drying | ≤ 0.3% |
| Chloride (Cl-) | ≤ 0.050% |
| Assay | 99.0 - 101.0% |
| Residue on Ignition | ≤ 0.10% |
| Iron (Fe) | ≤ 30ppm |
| Arsenic (As) | ≤ 1ppm |
| Ammonium (NH4+) | ≤ 0.02% |
| Sulphates (SO4)(2-) | ≤ 0.050% |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | White crystals or crystalline powder |
| Odour | Odorless |
| Melting Point | 220-222 °C, decomposes |
| Solubility (other solvents) | Very soluble in water, alcohol; insoluble in ether |
| log P (octanol/water) | -2.54 |
Identification
| Property | Value |
| SKU | 13422892 |
| CAS Number | 147-85-3 |
| IUPAC Name | (2S)-pyrrolidine-2-carboxylic acid |
| EC Number | 205-702-2 |
| Molecular Formula | C5H9NO2 |
| Molecular Weight | 115.13 |
| Exact Mass | 115.0633 |
| SMILES | O=C(O)C1NCCC1 |
| InChIKey | ONIBWKKTOPOVIA-BYPYZUCNSA-N |
| InChI | InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m0/s1 |
| PubChem CID | 145742 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29339980 |
| Tariff Code | 2933998090 |
Safety & GHS
Precautionary statements
- P264Wash thoroughly after handling
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P308+313IF exposed or concerned: Get medical advice/attention
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Alternative names
(-)-(S)-Proline; (2S)-pyrrolidine-2-carboxylic acid; (S)-2-Pyrrolidinecarboxylic acid; (S)-Pyrrolidine-2-carboxylic acid; 2-pyrrolidinecarboxylic acid; L-alpha-Pyrrolidinecarboxylic acid; L-Prolin; prolina; proline; Prolinum
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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