Isonicotinic acid, 99%

Name: Isonicotinic acid, 99%
Brand: Vaqora Chemicals
SKU: VQ-011867

About Isonicotinic acid, 99%

Listed under CAS 55-22-1, Isonicotinic acid is a pyridine derivative available from Vaqora Chemicals with a typical assay of 99%. The compound has the formula C6H5NO2, corresponding to a molecular weight of 123.11 g/mol. Its systematic (IUPAC) name is pyridine-4-carboxylic acid. Alternative names: 4-Picolinic acid and 4-Pyridinecarboxylic acid.

It is supplied as a white to off-white powder. Key physical data: a melting point of ≥300 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span organic synthesis and API synthesis. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Isonicotinic acid in 100 g, 500 g, 5 kg and 25 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Isonicotinic acid, 99%
Catalogue No.	VQ-011867
CAS Number	55-22-1
IUPAC name	pyridine-4-carboxylic acid
Molecular formula	C₆H₅NO₂
Molecular weight	123.11 g/mol
Exact mass	123.032
Purity / assay	99%
HSN code	29333919
InChIKey	TWBYWOBDOCUKOW-UHFFFAOYSA-N
SMILES	C1=CN=CC=C1C(=O)O
PubChem CID	5922

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	≥300 °C
LogP (XLogP3)	0.4
H-bond donors / acceptors	1 / 3
TPSA	50.2 Å²
Synonyms	4-Picolinic acid, 4-Pyridinecarboxylic acid, 4-Carboxypyridine, gamma-Picolinic acid, p-Pyridinecarboxylic acid, gamma-Pyridinecarboxylic acid, Acid, Isonicotinic, .gamma.-Picolinic acid, Acide iso-nicotinique, 1,4-Dihydroisonicotinic acid, .gamma.-pyridinecarboxylic acid, pyridine, 4-carboxy-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Isonicotinic acid, 99%?

The CAS Registry Number of Isonicotinic acid, 99% is 55-22-1. It is also known as 4-Picolinic acid, 4-Pyridinecarboxylic acid, 4-Carboxypyridine.

What is the molecular formula and molecular weight of Isonicotinic acid, 99%?

Isonicotinic acid, 99% has the molecular formula C6H5NO2 and a molecular weight of 123.11 g/mol. Its IUPAC name is pyridine-4-carboxylic acid.

Which grade and pack sizes of Isonicotinic acid, 99% can I order?

We supply Isonicotinic acid, 99% in (99%) grade, in 100 g, 500 g, 5 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Isonicotinic acid, 99%?

Yes. Every lot of Isonicotinic acid, 99% is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Isonicotinic acid, 99% be shipped internationally?

Yes. Isonicotinic acid, 99% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.