L-Methionine 98+%
Plastic bottle, 2,5 kg
Supplier: Thermo Fisher Scientific
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Product Details & Documents
Synonyms: (S)-(-)-2-Amino-4-(methylthio)butyric acid, (S)-(-)-Methionine, L(-)-Methionine, (S)-(-)-2-Amino-4-(methylthio)butanoic acid, H-Met-OH, Methionine, (S)-2-Amino-4-(methylthio)butanoic acid
- CAS Number:63-68-3
- Formula:C₅H₁₁NO₂S
- MDL Number:MFCD00063097
- Molecular Weight:149.21 g/mol
- Merck Index:13,06004
- Boiling Pt:278 °C (1013 hPa)
- Melting Pt:276…279 °C (dec.)
- Density:1,373 g/cm³ (20 °C)
- Storage Temperature:Refrigerator
- EINECS:200-562-9
Specifications
Specification Test Results
- Appearance:White Crystalline powder or crystals
- Infrared spectrum:Conforms
- Loss on drying:≤0.5 % (1 g, 105°C)
- Sulfated ash:≤0.4 %
- TLC:≤0.5 % of any individual impurity
- pH:5.5 to 6.5 (1 % in water)
- Specific optical rotation:+22.4° to +24.7° (20°C, 589 nm) (c=2, 6 N HCl)
- Titration with HClO4:98.0 to 102.0 % (on dried basis)
- Chloride (Cl):≤500 ppm
- Sulfate (SO4):≤300 ppm
- Iron (Fe):≤30 ppm
- Heavy metals (as Pb):≤15 ppm
Specifications
- Pack type:Plastic bottle
- Pk:2,5 kg
Specifications
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