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22468-26-4 - 4-Hydroxypyridine-2-carboxylic acid, 97% - 4-Hydroxypicolinic acid - H34262 - Alfa Aesar

H34262 4-Hydroxypyridine-2-carboxylic acid, 97%

CAS Number
4-Hydroxypicolinic acid

Size Price ($) Quantity Availability
250mg 54.60
1g 152.00
5g 505.00
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4-Hydroxypyridine-2-carboxylic acid, 97%


Chemical Properties

Formula Weight
Melting point
ca 280° dec.
slightly soluble in water.


It is an important raw material and intermediate used in organic synthesis, pharmaceuticals, agrochemicals and dyestuffs.


Store at room temperature. Incompatible with strong oxidizing agents.

Literature References

Daniela V. Šoji?.; Vesna B. Anderluh.; Dejan Z. Orči?.; Biljana F. Abramovi?. Photodegradation of clopyralid in TiO2 suspensions: Identification of intermediates and reaction pathways.J. Hazard. Mater. . 2009, 168 (1),94-101.

Chedly Tizaouia.; Khaled Mezughi.; Roger Bickley. Heterogeneous photocatalytic removal of the herbicide clopyralid and its comparison with UV/H2O2 and ozone oxidation techniques. Desalination. 2011, 273 (1),197-204.

GHS Hazard and Precautionary Statements

Hazard Statements: H315-H319-H335

Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P312-P321-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. Call a POISON CENTER or doctor/physician if you feel unwell. Specific treatment (see label). Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


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