1.07434
L-Proline
for biochemistry
Synonym(s):
L-Proline, Pro
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About This Item
CAS Number:
Molecular Weight:
115.13
UNSPSC Code:
12352209
EC Index Number:
205-702-2
NACRES:
NA.21
MDL number:
Quality Level
form
solid
potency
>5110 mg/kg LD50, oral (Rat)
pH
5-7 (20 °C, 100 g/L in H2O)
mp
220-222 °C (decomposition)
solubility
1500 g/L
density
1.35-1.38 g/cm3 at 25 °C
bulk density
500 kg/m3
storage temp.
2-25°C
SMILES string
[N+H2]1C(CCC1)C(=O)[O-]
InChI
1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)
InChI key
ONIBWKKTOPOVIA-UHFFFAOYSA-N
General description
for biochemistry
Application
L-Proline for biochemistry. CAS 147-85-3, pH 5 - 7 (100 g/l, H₂O, 20 °C).
Analysis Note
Assay (perchloric acid titration, calculated on dried substance)≥ 99.0 %Identity (IR-spectrum)passes testAppearancewhite or almost white, crystalline powder or colorless crystalsAppearance of solution (50 g/l; water)clear and colorlessSpec. rotation (α 20/D, 40 g/l, water, calc. on dried substance) -84.0 bis -86.0Chloride (Cl)≤ 0.02 %Sulfate (SO₄)≤ 0.03 %Heavy metals (as Pb)≤ 0.001 %Ninhydrin-positive substances (LC)(any ninhydrin-positive impurity)≤ 0.2 %Ninhydrin-positive substances (LC) (ammonium (570 nm))≤ 0.02 %Ninhydrin-positive substances (LC)(total impurities)≤ 0.5 %Loss on Drying (105 °C)≤ 0.4 %
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Storage Class
13 - Non Combustible Solids
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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