Skip to Content
MilliporeSigma
All Photos(1)

Documents

495212

Sigma-Aldrich

4-Hydroxy-3-nitropyridine

98%

Synonym(s):

3-Nitro-4-pyridinol

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C5H4N2O3
CAS Number:
Molecular Weight:
140.10
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

98%

mp

285 °C (dec.) (lit.)

SMILES string

Oc1ccncc1[N+]([O-])=O

InChI

1S/C5H4N2O3/c8-5-1-2-6-3-4(5)7(9)10/h1-3H,(H,6,8)

InChI key

YUWOLBZMQDGRFV-UHFFFAOYSA-N

General description

4-Hydroxy-3-nitropyridine can be synthesized by the nitration of 4-hydroxypyridine.

Application

4-Hydroxy-3-nitropyridine may be used in the synthesis of 4-ethoxy-3-nitropyridine by treating with phosphorus pentachloride (PCl5) followed by ethanol. It may also be used to prepare 4-chloro-3-nitropyridine by treating with PCl5-POCl3 (phosphorus oxychloride).

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Unambiguous structural assignment of monoanils of 3,4-pyridinediamine via regioselective synthesis.
Dubey PK, et al.
ARKIVOC (Gainesville, FL, United States), 13, 137-144 (2008)
Use of the Graebe-Ullmann reaction in the synthesis of 8-methyl-γ-carboline and isomeric aromatic aza-γ-carbolines.
Alekseev RS, et al.
Chemistry of Heterocyclic Compounds, 48(8), 1235-1250 (2012)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service