Substance
ID:351826
Names and Identifiers
IUPAC Traditional name
L-proline
IUPAC name
(2S)-pyrrolidine-2-carboxylic acid
Synonyms
(S)-吡咯烷-2-羧酸L-脯氨酸(S)-Pyrrolidine-2-carboxylic acidL-Proline
Registration numbers
Beilstein Number
CAS Number
EC Number
MDL Number
PubChem SID
Properties
Safety Information
MSDS Link
German water hazard class
1
Personal Protective Equipment
Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
RTECS
TW3584000
Product Information
Cation Traces
Fe: ≤5 mg/kg
As: ≤0.1 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Mg: ≤5 mg/kg
Mo: ≤5 mg/kg
Ba: ≤5 mg/kg
Al: ≤5 mg/kg
Bi: ≤5 mg/kg
Cr: ≤5 mg/kg
Li: ≤5 mg/kg
NH4+: ≤20 mg/kg
Ni: ≤5 mg/kg
Cu: ≤5 mg/kg
Mn: ≤5 mg/kg
Pb: ≤5 mg/kg
Ca: ≤10 mg/kg
K: ≤50 mg/kg
Na: ≤50 mg/kg
Zn: ≤5 mg/kg
Sr: ≤5 mg/kg
Ignition Residue
≤0.1%
Impurities
≤0.3% foreign amino acids
insoluble matter, passes filter test
Antion Traces
chloride (Cl-): ≤100 mg/kg
sulfate (SO42-): ≤100 mg/kg
λ
1 M in H2O
Product Line
BioUltra
Empirical Formula (Hill Notation)
C5H9NO2
Purity
≥99.5% (NT)
Loss on Drying
≤0.1% loss on drying, 20 °C (HV)
Physical Property
Solubility
H2O: soluble1 M at 20 °C, clear, colorless
Absorption Wavelength
λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
pH
6.0-7.0 (25 °C, 1 M in H2O)
Melting Point
228 °C (dec.)(lit.)
Optical Rotation
[α]20/D -85.0±1.0°, c = 5% in H2O
Molecule Details
Other Notes
Protects enzymes against heat inactivation1; Growth requirement of various microorganisms2
Protects enzymes against heat inactivation1; Growth requirement of various microorganisms2
Molecular Spectra
No Data Available
Click here to submit data
References
No Data Available
Click here to submit data