Thermo Scientific Chemicals L-Methionine, 98+%

Description

This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Specifications

• Melting Point: 276.0°C to 279.0°C
• Ammonium: 300ppm max.
• pH: 5.5 to 6.5 (aq. soln. 1 in 100)
• Color: White
• Chloride: 500ppm max.
• Heavy Metals (as Pb): 15ppm max.
• Assay Percent Range: 98+%
• Individual Impurity: 0.5% max. of any individual impurity
• Infrared Spectrum: Authentic
• Linear Formula: CH₃SCH₂CH₂CH(NH₂)CO₂H
• Iron (Fe): 30ppm max.
• Beilstein: 04, II, 938
• Loss on Drying: 0.5% max. (1 g, 105°C)
• Merck Index: 15, 6047
• Packaging: Plastic Bottle
• Solubility Information: Solubility in water: soluble in water: 53.7g/L (20°C). Other solubilities: insoluble in abs.alcohol, ether, petr.ether,, benzene,acetone, ethanol, diethylether, soluble in mineral acids, soluble in warm, dilute alcohol
• IUPAC Name: (2S)-2-amino-4-(methylsulfanyl)butanoic acid
• Specific Rotation: + 23.25
• Sulfate: 300ppm max.
• Formula Weight: 149.21
• Percent Purity: ≥98%
• Sulfated Ash: 0.1% max.
• Specific Rotation Condition: +23.25° (20°C c=2,6N HCl)
• Quantity: 100 g
• Physical Form: Crystalline Powder or Crystals
• Chemical Name or Material: L-Methionine, 98+%

Safety and Handling

Hazard Category	AIR SENSITIVE
EINECSNumber	200-562-9
RTECSNumber	PD0457000
TSCA	TSCA

SDS

RUO – Research Use Only