D-Proline

Catalog	BBC344252
CAS	344-25-2
Structure
Synonyms	D-Pyrrolidine-2-carboxylic acid
IUPAC Name	(2R)-Pyrrolidine-2-carboxylic acid
Molecular Weight	115.13
Molecular Formula	C5H9NO2
Canonical SMILES	C1CC(NC1)C(=O)O
InChI	InChI=1S/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m1/s1
InChI Key	ONIBWKKTOPOVIA-SCSAIBSYSA-N
Boiling Point	215.41 °C
Melting Point	223 °C(lit.)
Flash Point	106.3 °C
Purity	99%
Density	1.36 g/cm³
Solubility	Solubility in 100 mL of water: 127 g at 0 deg C; 162 g at 25 deg C; 206.7 g at 50 deg C; 239 g at 65 deg C;Solubility in alcohol: 1.55% at 35 deg C; insoluble in ether, butanol, isopropanol;Very soluble in water, alcohol; insoluble in ether;Very soluble in water; slightly soluble in ethanol, acetone, benzene; insoluble in ether, propanol;
Appearance	Solid
Application	proline is a skin-conditioning agent. An amino acid found in the collagen molecule.
Storage	Inert atmosphere, room temperature
EC Number	206-452-7
pKa	1.952(at 25 °C)
Refractive Index	85 ° (C=4, H₂O)
Solubility in Water	>1000 g/L
Vapor Pressure	3.02X10-8 mm Hg at 25 deg C (est);