Molekula DL-Methionine
Specification & product details.
DL-Methionine is an essential amino acid used in animal feed, pharmaceuticals, and nutritional supplements to support protein synthesis and metabolic functions.
CAS number: 59-51-8
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Specifications
| Property | Value |
| Appearance | White to off-white crystal |
| Grade | EP7.0 |
| Identification | IR |
| pH | 5.4 - 6.1 |
| Loss on Drying | 0.5% max |
| Assay | 99 - 101% |
| Sulphated Ash | 0.1% max |
| Related Substances | 0.2% max |
| Lead (Pb) | 20ppm max |
| Sulphates (SO4)(2-) | 200ppm max |
| Chlorine (Cl) | 200ppm max |
Storage & handling
| Property | Value |
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
| Melting Point | 281 °C |
| Boiling Point | 300 to 301 °C at 760 mmHg |
| Density | 1.3 (relative, water = 1) |
| Solubility (other solvents) | Soluble in water; Insoluble in ether |
Identification
| Property | Value |
| SKU | 13855549 |
| CAS Number | 59-51-8 |
| IUPAC Name | 2-amino-4-methylsulfanylbutanoic acid |
| EC Number | 200-432-1 |
| Molecular Formula | CH3S(CH2)2CH(NH2)COOH |
| Molecular Weight | 149.21 |
| Exact Mass | 149.051 |
| SMILES | CSCCC(C(=O)O)N |
| InChIKey | FFEARJCKVFRZRR-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8) |
| PubChem CID | 876 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 2930400000 |
| Tariff Code | 2930409000 |
Safety & GHS
Precautionary statements
- P264Wash thoroughly after handling
- P280Wear protective gloves/protective clothing/eye protection/face protection
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Alternative names
(+-)-Methionine; 2-amino-4-methylsulfanylbutanoic acid; Acimetion; DL-Methioninum; FEMA No. 3301; Lobamine; Methionine, amorphous; Methionine, DL-; Racemethionine; Urimeth
Product documentation
Product specification PDF. Batch-specific certificates of analysis and safety data sheets are available on request.
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