2-Hydroxy-3-nitropyridine, 98%

Name: 2-Hydroxy-3-nitropyridine, 98%
Brand: Vaqora Chemicals
SKU: VQ-011741

About 2-Hydroxy-3-nitropyridine, 98%

2-Hydroxy-3-nitropyridine is a pyridine derivative carrying the CAS registry number 6332-56-5, specified at 98% purity. Its molecular formula is C5H4N2O3 and its molecular weight is 140.1 g/mol. Its systematic (IUPAC) name is 3-nitro-1H-pyridin-2-one. Common synonyms include 3-Nitro-2-pyridinol 3-Nitro-2(1H)-pyridone and 2-H-3-NPy.

The material typically appears as a light yellow to yellow to orange solid. Literature values give a melting point of 224-228 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

Typical applications include organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 2-Hydroxy-3-nitropyridine in 5 g and 25 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	2-Hydroxy-3-nitropyridine, 98%
Catalogue No.	VQ-011741
CAS Number	6332-56-5
IUPAC name	3-nitro-1H-pyridin-2-one
Molecular formula	C₅H₄N₂O₃
Molecular weight	140.1 g/mol
Exact mass	140.0222
Purity / assay	98%
HSN code	29420090
InChIKey	BOAFCICMVMFLIT-UHFFFAOYSA-N
SMILES	C1=CNC(=O)C(=C1)[N+](=O)[O-]
PubChem CID	22793

Physical properties
Physical form	Solid
Appearance	Light yellow to yellow to orange solid
Melting point	224-228 °C
LogP (XLogP3)	0.2
H-bond donors / acceptors	1 / 3
TPSA	74.9 Å²
Synonyms	3-Nitro-2-pyridinol 3-Nitro-2(1H)-pyridone, 2-H-3-NPy, 3-Nitropyridin-2-ol, 3-Nitro-2-pyridinol, 3-nitropyridin-2(1H)-one, 2(1H)-Pyridinone, 3-nitro-, Pyridine, 2-hydroxy-3-nitro, 3-Nitro-2-hydroxypyridine, 3-nitro-1,2-dihydropyridin-2-one, 3-nitro-pyridin-2-ol, 2-Hydroxy-3-nitropyridine, 98%, 3-nitrohydropyridin-2-one

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 2-Hydroxy-3-nitropyridine, 98%?

The CAS Registry Number of 2-Hydroxy-3-nitropyridine, 98% is 6332-56-5. It is also known as 3-Nitro-2-pyridinol 3-Nitro-2(1H)-pyridone, 2-H-3-NPy, 3-Nitropyridin-2-ol.

What is the molecular formula and molecular weight of 2-Hydroxy-3-nitropyridine, 98%?

2-Hydroxy-3-nitropyridine, 98% has the molecular formula C5H4N2O3 and a molecular weight of 140.1 g/mol. Its IUPAC name is 3-nitro-1H-pyridin-2-one.

Which grade and pack sizes of 2-Hydroxy-3-nitropyridine, 98% can I order?

We supply 2-Hydroxy-3-nitropyridine, 98% in (98%) grade, in 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 2-Hydroxy-3-nitropyridine, 98%?

Yes. Every lot of 2-Hydroxy-3-nitropyridine, 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 2-Hydroxy-3-nitropyridine, 98% be shipped internationally?

Yes. 2-Hydroxy-3-nitropyridine, 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.