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Molekula

Molekula

Nicotinic acid

SKU 26080855 CAS 59-67-6 C6H5NO2 MW 123.11 In stock Bulk quantities on request

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

Nicotinic acid, also known as niacin, is a water-soluble B-vitamin used in nutritional supplements and pharmaceuticals to support metabolic health and manage lipid levels. Beyond supplements and medicines, it is widely used to enrich flour, bread and other grain-based foods and as a vitamin additive in animal feed. It is available in powder form with a molecular weight of 123.11 g/mol, a molecular formula of C6H5NO2, and a CAS number of 59-67-6. Stored at ambient temperatures, it carries a warning signal word due to potential irritant properties. Molekula supplies Nicotinic acid from research to bulk quantities with full documentation and ISO 9001:2015 traceability.

Expect a response within hours Speak to a chemist: +44 (0) 3302 000333

Example image for illustration only. Other packaging and pack sizes are available.

Pricing & pack sizes

Pack sizes & pricing

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.

Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.

  • 10 g — £20.00 per pack ex VAT · £24.00 inc. VAT
  • 100 g — £23.10 per pack ex VAT · £27.72 inc. VAT

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Specifications

Property Value
Appearance White crystalline powder
Heavy metals ≤ 0.002%
Identification Conforms to reference
Loss on Drying ≤ 1.0%
Chloride (Cl-) ≤ 0.02%
Assay 99%~101%
Residue on Ignition ≤ 0.1%

Storage & handling

Property Value
Storage Temperature Ambient
Flash Point 193 °C
Acidity Acid

Literature values

Published physical properties of the substance, not batch specifications.

Property Value
Appearance Colorless needles
Odour Odorless
Melting Point 237 °C
Density 1.473 g/cm³ at 25 °C
Water Solubility 18 g/L at 20 °C
Solubility (other solvents) Slightly soluble in ethanol, ethyl ether
Vapour Pressure 0.0000057 mmHg
pKa pKa = 4.75 (at 25 °C)
log P (octanol/water) 0.36

Source: PubChem CID 938 (HSDB, Haz-Map, DrugBank)

Identification

Property Value
SKU 26080855
CAS Number 59-67-6
IUPAC Name pyridine-3-carboxylic acid
EC Number 200-441-0
Molecular Formula C6H5NO2
Molecular Weight 123.11
Exact Mass 123.032
SMILES C1=CC(=CN=C1)C(=O)O
InChIKey PVNIIMVLHYAWGP-UHFFFAOYSA-N
InChI InChI=1S/C6H5NO2/c8-6(9)5-2-1-3-7-4-5/h1-4H,(H,8,9)
PubChem CID 938
REACH Code Y113
TSCA Listed Yes
HTS Code 2936292000
Tariff Code 2936290000

Safety & GHS

Warning
  • GHS pictogram — Health Hazard Health Hazard GHS07

Hazard statements

  • H319 Causes serious eye irritation

Precautionary statements

  • P280 Wear protective gloves/protective clothing/eye protection/face protection
  • 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

  • 3-Carboxypyridine
  • 3-pyridinecarboxylic acid
  • Akotin
  • Apelagrin
  • Daskil
  • Efacin
  • niacin
  • Pellagrin
  • Pyridine-3-carboxylic acid
  • wampocap

Frequently asked questions

What is nicotinic acid used for?

Nicotinic acid is itself niacin, a form of vitamin B3. It is primarily used as a vitamin in nutritional supplements and as an antilipemic drug in pharmaceutical applications.

What is the chemical formula and molecular weight of nicotinic acid?

The chemical formula is C6H5NO2 and the molecular weight is 123.11 g/mol.

How should nicotinic acid be stored?

Nicotinic acid should be stored at ambient temperature, protected from moisture and light.

What grade of nicotinic acid does Molekula supply?

Molekula supplies nicotinic acid in reagent grade, suitable for laboratory and industrial applications.

Can Molekula supply nicotinic acid in bulk?

Yes, Molekula can supply nicotinic acid in bulk quantities—please contact our sales team for pricing and availability.

What documentation comes with a purchase of nicotinic acid?

Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.

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