6-Hydroxypyridine-2-carboxylic acid
6-Hydroxypyridine-2-carboxylic acid (CAS: 19621-92-2), with the molecular formula C6H5NO3, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of pyridine derivatives and related heterocyclic systems. Its structural features lend themselves to further functionalisation and incorporation into more complex molecular architectures for various research and development purposes in organic chemistry.
- IUPAC
- 6-Hydroxypyridine-2-carboxylic acid,6-Hydroxypicolinic acid
- Synonyms
- 6-Hydroxypicolinic acid

Organic Synthesis Intermediate
6-Hydroxypyridine-2-carboxylic acid is utilised as a key intermediate in the synthesis of diverse organic molecules. Its pyridine core and functional groups allow for various chemical transformations.
Heterocyclic Chemistry Research
This compound is employed in research laboratories focused on heterocyclic chemistry, enabling the exploration of new pyridine-based structures and their properties.
Building Block for Complex Molecules
It functions as a fundamental building block for constructing more elaborate chemical entities, including potential pharmaceutical intermediates and novel materials.
| Molecular weight | 139.11 |
|---|---|
| Empirical formula | C6H5NO3 |
| Assay | 95% |
| Melting point | 270 °C (dec.)(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 6-Hydroxypyridine-2-carboxylic acid used for?
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6-Hydroxypyridine-2-carboxylic acid is primarily used as a building block in organic synthesis and research within heterocyclic chemistry, particularly for creating pyridine derivatives.
What are the CAS number and molecular formula for 6-Hydroxypyridine-2-carboxylic acid?
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The CAS number is 19621-92-2, and the molecular formula is C6H5NO3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 6-Hydroxypyridine-2-carboxylic acid with an assay of 95%. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
What are the safety precautions for handling 6-Hydroxypyridine-2-carboxylic acid?
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This compound is classified as a Warning with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves, should be worn. Handle in a well-ventilated area.
How is 6-Hydroxypyridine-2-carboxylic acid typically packed and shipped?
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Products are carefully packed according to safety regulations for domestic and international shipment, ensuring safe transit to our global customers.
How can I request a quote or sample?
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Please contact our sales team or use the online form on our website to request a quotation or a sample of 6-Hydroxypyridine-2-carboxylic acid.
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