Proline (data page)

The complete data for Proline (v)
	General informationChemical formula: C5H9N O2 Molar mass: 115.13 g·mol−1 Systematic name: (S)-Pyrrolidine-2-carboxylic acid Abbreviations: P, Pro Synonyms: ?
Database data
SMILES: C1CCNC1C(=O)O InChI=1/C5H9NO2/c7-5(8)4-2-1-3-6-4/h4,6H,1-3H2,(H,7,8)/t4-/m1/s1/f/h7H ATC: N/ACAS: 147-85-3DrugBank: N/AEINECS: 205-702-2 aPubChem: 614 (L) a, 8988 (D)a
ATC: N/A	CAS: 147-85-3	DrugBank: N/A	EINECS: 205-702-2 a	PubChem: 614 (L) a, 8988 (D)a
Physical properties
StructureCrystal dataSpectral dataUV–VisIRNMRMS - Masses of main fragments:Phase behaviorSolid properties Tm: 221 °CLiquid propertiesGas properties
Structure	Crystal data	Spectral dataUV–VisIRNMRMS - Masses of main fragments:


UV–Vis	IR	NMR	MS - Masses of main fragments:
Phase behavior	Solid properties Tm: 221 °C	Liquid properties	Gas properties
Hazard properties
MSDS N/AMain hazards:- N/ANFPA 704Flash point- N/ARTECS number: N/A
MSDS N/A	Main hazards:- N/A	NFPA 704	Flash point- N/A	RTECS number: N/A
Chemical properties
XLogP: -0.04pI: 6.30pKa: 1.95, 10.47Tautomers:Hydrogen bond: donor - 2; acceptor - 3
XLogP: -0.04	pI: 6.30	pKa: 1.95, 10.47	Tautomers:	Hydrogen bond: donor - 2; acceptor - 3
Pharmacological properties