Substance
ID:353911
Names and Identifiers
IUPAC Traditional name
L-methionine
IUPAC name
(2S)-2-amino-4-(methylsulfanyl)butanoic acid
Synonyms
L-2-Amino-4-(methylthio)butanoic acid(S)-2-氨基-4-(甲硫基)丁酸L-2-氨基-4-(甲硫基)丁酸L-MethionineL-甲硫氨酸(S)-2-Amino-4-(methylmercapto)butyric acid
Registration numbers
Beilstein Number
CAS Number
MDL Number
EC Number
Properties
Product Information
Antion Traces
sulfate (SO42-): ≤50 mg/kg
chloride (Cl-): ≤50 mg/kg
Cation Traces
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Ca: ≤10 mg/kg
Cr: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Fe: ≤5 mg/kg
Pb: ≤5 mg/kg
NH4+: ≤100 mg/kg
Cu: ≤5 mg/kg
Na: ≤100 mg/kg
Ni: ≤5 mg/kg
Zn: ≤5 mg/kg
K: ≤50 mg/kg
Ignition Residue
≤0.1% (as SO4)
Loss on Drying
≤0.1% loss on drying, 110 °C
Purity
≥99.0% (NT)
Impurities
≤0.5% foreign amino acids
Linear Formula
CH3SCH2CH2CH(NH2)CO2H
Safety Information
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
MSDS Link
RTECS
PD0457000
German water hazard class
1
Physical Property
Melting Point
284 °C (dec.)(lit.)
Optical Rotation
[α]20/D +23.7±0.5°, c = 5% in 5 M HCl
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
No Data Available
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