L-Methionine
CAS: 63-68-3
Molecular Formula: CH3SCH2CH2CH(NH2)CO2H
Molecular Weight: 149.21
Product Detail
| Product Code | 11504183 | ||||
| Product Name | L-Methionine | ||||
| Categories | Amino Acids | ||||
| CAS | 63-68-3 | ||||
| Molecular Formula | CH3SCH2CH2CH(NH2)CO2H | ||||
| Molecular Weight | 149.21 | ||||
| Storage Details | Ambient | ||||
| Harmonised Tariff Code | 29304010 |
Product Specification
| Conclusion | |||||
| Identification | Meets the requirement | ||||
| pH | 5.6 – 6.1 | ||||
| Loss on Drying | ≤ 0.3% | ||||
| Sulfate (SO4) | ≤ 0.03% | ||||
| Assay | 98% – 101.5% | ||||
| Iron | ≤ 0.003% | ||||
| Residue on Ignition | ≤ 0.4% | ||||
| Chloride | ≤ 0.05% | ||||
| Appearance | White crystals or crystalline powder | ||||
| Heavy Metal | ≤ 0.0015% | ||||
| Chromotograhic Purity | Not more than 2.0% of total impurities is found | ||||
| Specific rotation [ α ] D 2 5 | +22.4º ~ +24.7º |
Safety Information
| Pictograms |
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| Signal word | None | ||||
| Hazard statements | H315: Causes skin irritation
H319: Causes serious eye irritation H335: May cause respiratory irritation |
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| Precautionary statements | P260: Do not breathe dust/fume/gas/mist/vapours/spray
P280: Wear protective gloves/protective clothing/eye protection/face protection P303+361: IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower P305+351+338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing P308+313: IF exposed or concerned: Get medical advice/attention |