384305
6-Hydroxypyridine-2-carboxylic acid
95%
Synonym(s):
6-Hydroxypicolinic acid, 6-Hydroxypyridine-2-carboxylic acid
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About This Item
Empirical Formula (Hill Notation):
C6H5NO3
CAS Number:
Molecular Weight:
139.11
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
115842
Assay:
95%
Form:
solid
Quality Segment
assay
95%
form
solid
mp
270 °C (dec.) (lit.)
functional group
carboxylic acid
SMILES string
OC(=O)c1cccc(O)n1
InChI
1S/C6H5NO3/c8-5-3-1-2-4(7-5)6(9)10/h1-3H,(H,7,8)(H,9,10)
InChI key
VRCWSYYXUCKEED-UHFFFAOYSA-N
General description
6-Hydroxypyridine-2-carboxylic acid (6HPA, 6-Hydroxypicolinic acid) is a picolinic acid derivative. It has been reported to exhibit enol-keto tautomerism. It is a chelating ligand exhibiting potential complexing ability (via N,O-chelation or N,O,O-chelation). Intramolecular proton transfer (IPT) in tautomeric forms of 6HPA has been investigated by density functional theory (DFT) calculations.
Application
6-Hydroxypyridine-2-carboxylic acid may be used in the preparation of ruthenium(II) complex, [RuH(CO)(6-OH-py-2-COO)(PPh3)2].
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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