3-Hydroxypicolinic acid

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3-Hydroxypicolinic acid
Skeletal formula of 3-hydroxypicolinic acid
Ball-and-stick model of the 3-hydroxypicolinic acid molecule
Preferred IUPAC name
3-Hydroxypyridine-2-carboxylic acid
Other names
3-Hydroxypicolinic acid
3-Hydroxy-2-pyridinecarboxylic acid
3D model (JSmol)
ECHA InfoCard 100.011.690
Molar mass 139.109
Appearance Light yellow needles
Melting point 208 to 212 °C (406 to 414 °F; 481 to 485 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

3-Hydroxy picolinic acid is a picolinic acid derivative and is a member of the pyridine family. It is used as a matrix for nucleotides in MALDI mass spectrometry analyses.[1]

See also[edit]


  1. ^ Wu KJ, Steding A, Becker CH (1993). "Matrix-assisted laser desorption time-of-flight mass spectrometry of oligonucleotides using 3-hydroxypicolinic acid as an ultraviolet-sensitive matrix". Rapid Commun. Mass Spectrom. 7 (2): 142–6. doi:10.1002/rcm.1290070206. PMID 8457722.