Molekula
6-Hydroxynicotinic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
6-Hydroxynicotinic acid is a heterocyclic organic compound used in pharmaceutical and agrochemical research. It serves as an intermediate in the synthesis of bioactive molecules. Available with a CAS number of 5006-66-6, its molecular formula is C6H5NO3 and molecular weight is 139.11 g/mol. It should be stored at ambient temperature and is classified with a warning signal word. Molekula supplies 6-Hydroxynicotinic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
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25 g — £30.90 per pack ex VAT · £37.08 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 310 °C |
Source: PubChem CID 72924 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 42642662 |
| CAS Number | 5006-66-6 |
| IUPAC Name | 6-oxo-1H-pyridine-3-carboxylic acid |
| EC Number | 225-682-9 |
| Molecular Formula | C6H5NO3 |
| Molecular Weight | 139.11 |
| Exact Mass | 139.0269 |
| SMILES | C1=CC(=O)NC=C1C(=O)O |
| InChIKey | BLHCMGRVFXRYRN-UHFFFAOYSA-N |
| InChI | InChI=1S/C6H5NO3/c8-5-2-1-4(3-7-5)6(9)10/h1-3H,(H,7,8)(H,9,10) |
| PubChem CID | 72924 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2933.79.8500 |
| Tariff Code | 2933790090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- 2-Hydroxy-5-pyridinecarboxylic acid
- 2-Hydroxypyridine-5-carboxylic acid
- 2-Pyridone-5-carboxylic acid
- 3-Pyridinecarboxylic acid, 1,6-dihydro-6-oxo-
- 6-hydroxyniacin
- 6-Hydroxynicotinate
- 6-hydroxypyridine-3-carboxylic acid
- 6-oxo-1,6-dihydropyridine-3-carboxylic acid
- 6-oxo-1H-pyridine-3-carboxylic acid
- 6-oxonicotinic acid
Frequently asked questions
What is 6-Hydroxynicotinic acid used for?
It is primarily used as an intermediate in the synthesis of pharmaceuticals and agrochemicals.
What is the chemical formula and molecular weight of 6-Hydroxynicotinic acid?
The formula is C6H5NO3 with a molecular weight of 139.11 g/mol.
How should 6-Hydroxynicotinic acid be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for 6-Hydroxynicotinic acid?
It is available in technical grade; custom purity levels may be requested.
Can Molekula supply 6-Hydroxynicotinic acid in bulk?
Yes, bulk quantities are available upon request; please contact our sales team for details.
What documentation comes with an order of 6-Hydroxynicotinic acid?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.