L-Methionine 7005-18-7

L-Methionine

Chemical Identity:

• Chemical Name: L-Methionine
• CAS Number: 7005-18-7
• Molecular Formula: C₅H₁₁NO₂S
• Molecular Weight: 149.21 g/mol

Physical Properties:

• Appearance: White to off-white crystalline powder
• Odor: Characteristic sulfurous odor
• Melting Point: Approximately 281 °C (538 °F) (decomposes)
• Solubility: Soluble in water (approximately 5 g/100 mL at 20 °C); slightly soluble in alcohol.

Chemical Properties:

• pH: Approximately 5.0 to 6.5 in solution.
• Reactivity: Stable under normal conditions but sensitive to oxidation and may degrade when exposed to light and moisture.

Applications:

• Nutritional Supplement: An essential amino acid used in animal feed, aquaculture, and dietary supplements for humans.
• Pharmaceuticals: Used in formulations for liver health, detoxification, and as a source of sulfur.
• Food Industry: Acts as a flavor enhancer and is used in protein fortification.
• Biochemistry: Involved in the synthesis of other amino acids, such as cysteine and taurine, and plays a role in various metabolic processes.

Safety and Handling:

• Safety Precautions: Generally recognized as safe (GRAS) when used as directed. Avoid excessive exposure. Use gloves and goggles when handling.
• Storage: Store in a cool, dry place, away from light and moisture, in a tightly closed container.

Regulatory Information:

• L-Methionine is approved for use in food, pharmaceuticals, and dietary supplements in many regions. Always check local regulations for specific guidelines regarding its use.

Additional Information:

• Synthesis: Can be produced through fermentation processes or chemical synthesis.
• Biological Role: Plays a crucial role in protein synthesis and acts as a precursor to various biomolecules.

If you need further details or have specific questions, feel free to ask!