Molekula L-Phenylalanine
Specification & product details.
L-Phenylalanine is an essential amino acid used in protein synthesis and as a precursor for neurotransmitters like dopamine and norepinephrine.
CAS number: 63-91-2
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Specifications
| Property | Value |
| Appearance | White crystalline powder |
| Water | Report |
| Specific rotation | -20.4 to -35.2° |
| Heavy metals | ≤ 0.002% |
| pH | 5.4 - 6 |
| Loss on Drying | ≤ 0.40% |
| Assay | 98.5 - 101.5% |
| Residue on Ignition | ≤ 0.10% |
| Lead (Pb) | ≤ 10mg/kg |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Appearance | Prisms form water |
| Odour | Slight |
| Melting Point | 283 °C decomposes |
| Boiling Point | 295 °C at 760 mmHg (sublimes) |
| Water Solubility | 26.4 g/L at 25 °C |
| Solubility (other solvents) | Soluble in water; Slightly soluble in dilute mineral acid and alkali hydroxide solutions |
| Vapour Pressure | 0.00000005 mmHg |
| pKa | pKa = 1.24 (at 25 °C) |
| log P (octanol/water) | -1.38 |
Identification
| Property | Value |
| SKU | 14133876 |
| CAS Number | 63-91-2 |
| IUPAC Name | (2S)-2-amino-3-phenylpropanoic acid |
| EC Number | 200-568-1 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 |
| Exact Mass | 165.079 |
| SMILES | C1=CC=C(C=C1)C\[C@@H\](C(=O)O)N |
| InChIKey | COLNVLDHVKWLRT-QMMMGPOBSA-N |
| InChI | InChI=1S/C9H11NO2/c10-8(9(11)12)6-7-4-2-1-3-5-7/h1-5,8H,6,10H2,(H,11,12)/t8-/m0/s1 |
| PubChem CID | 6140 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| Tariff Code | 29224985 |
Safety & GHS
Precautionary statements
- P280Wear protective gloves/protective clothing/eye protection/face protection
- P410Protect from sunlight
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Alternative names
(2S)-2-amino-3-phenylpropanoic acid; (S)-2-Amino-3-phenylpropanoic acid; (S)-2-Amino-3-phenylpropionic acid; (S)-Phenylalanine; 3-Phenyl-L-alanine; 3-Phenylalanine; Antibiotic FN 1636; beta-Phenyl-L-alanine; L-Alanine, phenyl-; phenylalanine
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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