4-Hydroxypipecolic acid (14228-16-1)

Identification
Name:	4-Hydroxypipecolic acid
Synonyms:	4-Hydroxy-2-piperidinecarboxylic acid
CAS:	14228-16-1
Molecular Formula:	C₆H₁₁NO₃
Molecular Weight:	0
InChI:	InChI=1/C6H11NO3/c8-4-1-2-7-5(3-4)6(9)10/h4-5,7-8H,1-3H2,(H,9,10)
Molecular Structure:
Properties
Flash Point:	163°C
Boiling Point:	346°Cat760mmHg
Density:	1.299g/cm³
Refractive index:	1.522
Specification:	4-Hydroxypipecolic acid (CAS NO.14228-16-1), its Synonyms are 4-Hydroxy-2-piperidinecarboxylic acid ; t-Hpis ; trans-4-Hydroxy-(S)-pipecolic acid-4-sulfate ; 2-Piperidinecarboxylic acid, 4-hydroxy- . A new method for the determination of naturally occurring imino acids in plants which comprises the formation of dinitrophenyl derivatives and their measurement by HPLC was devised. The determination limits were 100 pmol for 4-Hydroxypipecolic acid (HPA) and proline (Pro) and 10 pmol for pipecolic acid (Pip).
Flash Point:	163°C
Safety Data