L-Proline CAS:147-85-3

L-proline is one of the essential amino acids for the human body, playing a key role in protein synthesis. It has a sweet taste and is highly soluble in water, and is widely used in the fields of medicine and food. ‌
Basic information
L-Proline is a cyclic imine with the chemical formula C₅H₉NO₂ and a molecular weight of 115.13. At room temperature, it is a colorless to white crystal or powder with a slight odor and a slightly sweet taste. It is readily soluble in water and ethanol, but insoluble in organic solvents such as ether and butanol. Its melting point is 228-233℃, and its boiling point is 252.2℃ (760mmHg).

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Model:
147-85-3
Brand:
bosschemical
Code:
147-85-3

Product Description

L-Proline Basic information
Product Name:	L-Proline
CAS:	147-85-3
MF:	C5H9NO2
MW:	115.13
EINECS:	205-702-2
Mol File:	147-85-3.mol
L-Proline Chemical Properties
Melting point	228 °C (dec.) (lit.)
alpha	-85.5 º (c=4, H2O)
Boiling point	215.41°C (rough estimate)
density	1.35
FEMA	3319 \| L-PROLINE
refractive index	-85 ° (C=4, H2O)
storage temp.	2-8°C
solubility	H2O: 50 mg/mL
pka	1.95, 10.64(at 25℃)
form	powder
color	White
PH	6.0-7.0 (25℃, 1M in H2O)
optical activity	[α]20/D 85.0±1.0°, c = 5% in H2O
Water Solubility	soluble
λmax	λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05
Sensitive	Hygroscopic
JECFA Number	1425
Merck	147,780
BRN	80810
Stability:	Stable. Incompatible with strong oxidizing agents.
InChIKey	ONIBWKKTOPOVIA-UHFFFAOYSA-N
CAS DataBase Reference	147-85-3(CAS DataBase Reference)
NIST Chemistry Reference	Proline(147-85-3)
EPA Substance Registry System	L-Proline (147-85-3)