Substance
ID:353503
Names and Identifiers
IUPAC Traditional name
L-threonine
IUPAC name
(2S,3R)-2-amino-3-hydroxybutanoic acid
Synonyms
(2S,3R)-2-氨基-3-羟基丁酸L-ThreonineL-苏氨酸(2S,3R)-2-Amino-3-hydroxybutyric acid
Registration numbers
MDL Number
EC Number
Beilstein Number
CAS Number
Properties
Product Information
Cation Traces
Cd: ≤5 mg/kg
K: ≤50 mg/kg
Cr: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤50 mg/kg
Cu: ≤5 mg/kg
Ca: ≤50 mg/kg
Mg: ≤5 mg/kg
Fe: ≤5 mg/kg
NH4+: ≤500 mg/kg
Co: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg
Antion Traces
sulfate (SO42-): ≤50 mg/kg
chloride (Cl-): ≤50 mg/kg
Linear Formula
CH3CH(OH)CH(NH2)CO2H
Purity
≥99.0% (NT)
Loss on Drying
≤0.5% loss on drying, 110 °C
Impurities
≤0.5% foreign amino acids
Ignition Residue
≤0.1% (as SO4)
Physical Property
Melting Point
256 °C (dec.)(lit.)
Optical Rotation
[α]20/D -28.5±0.5°, c = 5% in H2O
Safety Information
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
German water hazard class
1
MSDS Link
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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