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Merck
CN

1.07434

L-Proline

for biochemistry

Synonym(s):

L-Proline, Pro

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About This Item

CAS Number:
147-85-3
Molecular Weight:
115.13
UNSPSC Code:
12352209
EC Index Number:
205-702-2
NACRES:
NA.21
MDL number:
MFCD00064318

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Product Name

L-Proline, for biochemistry

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

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.

2-30°C

Quality Level

100

Related Categories

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 %

Application

L-Proline for biochemistry. CAS 147-85-3, pH 5 - 7 (100 g/l, H₂O, 20 °C).

General description

for biochemistry

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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