Citrazinic acid, 98%

About Citrazinic acid, 98%

Citrazinic acid is a pyridine derivative in Synthesis grade carrying the CAS registry number 99-11-6 with a typical assay of 98%. With the molecular formula C6H5NO4, it has a molar mass of 155.11 g/mol. The IUPAC name is 2-hydroxy-6-oxo-1H-pyridine-4-carboxylic acid. Common synonyms include 2,6-Dihydroxyisonicotinic acid and 2,6-Dihydroxypyridine-4-carboxylic acid.

The product is provided as a solid. Key physical data: a melting point of above 300 °C. Solubility: insoluble in water. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 25 g, 100 g, 1 kg and 4 x 25 kg packs, Citrazinic acid is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Citrazinic acid, 98%
Catalogue No.	VQ-011860
CAS Number	99-11-6
IUPAC name	2-hydroxy-6-oxo-1H-pyridine-4-carboxylic acid
Molecular formula	C₆H₅NO₄
Molecular weight	155.11 g/mol
Exact mass	155.0219
Grade	Synthesis
Purity / assay	98%
HSN code	29333919
InChIKey	CSGQJHQYWJLPKY-UHFFFAOYSA-N
SMILES	C1=C(C=C(NC1=O)O)C(=O)O
PubChem CID	7425

Physical properties
Physical form	Solid
Appearance	Solid
Melting point	>300 °C
Solubility	Insoluble in water.
LogP (XLogP3)	-0.7
H-bond donors / acceptors	3 / 4
TPSA	86.6 Å²
Synonyms	2,6-Dihydroxyisonicotinic acid, 2,6-Dihydroxypyridine-4-carboxylic acid, 2,6-Dihydroxy-4-carboxypyridine, 2,6-Dihydroxy-4-pyridinecarboxylic acid, 4-Pyridinecarboxylic acid, 1,2-dihydro-6-hydroxy-2-oxo-, Isonicotinic acid, 1,2-dihydro-6-hydroxy-2-oxo-, Kyselina citrazinova, 2,6-Dihydroxyisonicotinate, 6-Hydroxy-2-oxo-1,2-dihydropyridine-4-carboxylic acid, 4-Pyridinecarboxylic acid, 2,6-dihydroxy-, 6-Hydroxy-2-oxo-1,2-dihydro-pyridine-4-carboxylic acid, Isonicotinic acid, 2,6-dihydroxy-

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 Citrazinic acid, 98%?

The CAS Registry Number of Citrazinic acid, 98% is 99-11-6. It is also known as 2,6-Dihydroxyisonicotinic acid, 2,6-Dihydroxypyridine-4-carboxylic acid, 2,6-Dihydroxy-4-carboxypyridine.

What is the molecular formula and molecular weight of Citrazinic acid, 98%?

Citrazinic acid, 98% has the molecular formula C6H5NO4 and a molecular weight of 155.11 g/mol. Its IUPAC name is 2-hydroxy-6-oxo-1H-pyridine-4-carboxylic acid.

Which grade and pack sizes of Citrazinic acid, 98% can I order?

We supply Citrazinic acid, 98% in Synthesis (98%) grade, in 25 g, 100 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Citrazinic acid, 98%?

Yes. Every lot of Citrazinic acid, 98% 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 Citrazinic acid, 98% be shipped internationally?

Yes. Citrazinic acid, 98% 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.