4-Nitroquinoline n-oxide, 98%

Name: 4-Nitroquinoline n-oxide, 98%
Brand: Vaqora Chemicals
SKU: VQ-012075

About 4-Nitroquinoline n-oxide, 98%

4-Nitroquinoline n-oxide (CAS 56-57-5) is a quinoline derivative offered by Vaqora Chemicals at a purity of ≥98%. With the molecular formula C9H6N2O3, it has a molar mass of 190.16 g/mol. Its systematic (IUPAC) name is 4-nitro-1-oxidoquinolin-1-ium. Common synonyms include 4-NQO and 4-Nitroquinoline 1-oxide.

The material typically appears as yellow to brown powder or crystals. Literature values give a melting point of 154-156 °C and a density of ~1.42 g/cm3 (Predicted). Store in a tightly closed container in a cool, dry and well-ventilated place. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

It is commonly used for organic synthesis and API synthesis. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer 4-Nitroquinoline n-oxide in 1 g, 5 g and 25 g packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Organic synthesis
API synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	4-Nitroquinoline n-oxide, 98%
Catalogue No.	VQ-012075
CAS Number	56-57-5
IUPAC name	4-nitro-1-oxidoquinolin-1-ium
Molecular formula	C₉H₆N₂O₃
Molecular weight	190.16 g/mol
Exact mass	190.0378
Purity / assay	≥98%
HSN code	29420090
InChIKey	YHQDZJICGQWFHK-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C(=CC=[N+]2[O-])[N+](=O)[O-]
PubChem CID	5955

Physical properties
Physical form	Crystalline
Appearance	Yellow to brown powder or crystals
Melting point	154-156 °C
Density	~1.42 g/cm3 (Predicted)
LogP (XLogP3)	1.1
H-bond donors / acceptors	0 / 3
TPSA	71.3 Å²
Synonyms	4-NQO, 4-Nitroquinoline 1-oxide, 4-Nitroquinoline-1-oxide, Nitrochin, Quinoline, 4-nitro-, 1-oxide, 4-Nitroquinoline oxide, 4 NQO, Quinoline, 4-nitro-, oxide, 4-Nitrochinolin N-oxid, 4NQO, 4 Nitroquinoline N oxide, 4 Nitroquinoline 1 oxide

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H350May cause cancer

Precautionary statements: P203, P280, P318, 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 4-Nitroquinoline n-oxide, 98%?

The CAS Registry Number of 4-Nitroquinoline n-oxide, 98% is 56-57-5. It is also known as 4-NQO, 4-Nitroquinoline 1-oxide, 4-Nitroquinoline-1-oxide.

What is the molecular formula and molecular weight of 4-Nitroquinoline n-oxide, 98%?

4-Nitroquinoline n-oxide, 98% has the molecular formula C9H6N2O3 and a molecular weight of 190.16 g/mol. Its IUPAC name is 4-nitro-1-oxidoquinolin-1-ium.

Which grade and pack sizes of 4-Nitroquinoline n-oxide, 98% can I order?

We supply 4-Nitroquinoline n-oxide, 98% in (≥98%) grade, in 1 g, 5 g, 25 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4-Nitroquinoline n-oxide, 98%?

Yes. Every lot of 4-Nitroquinoline n-oxide, 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 4-Nitroquinoline n-oxide, 98% be shipped internationally?

Yes. 4-Nitroquinoline n-oxide, 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.