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495212

4-Hydroxy-3-nitropyridine

Name: 4-Hydroxy-3-nitropyridine
Brand: ALDRICH

98%

Synonym(s):

3-Nitro-4-pyridinol

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About This Item

Empirical Formula (Hill Notation):

C₅H₄N₂O₃

CAS Number:

5435-54-1

Molecular Weight:

140.10

NACRES:

NA.22

PubChem Substance ID:

329757469

UNSPSC Code:

12352100

MDL number:

MFCD00128874

Assay:

98%

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Properties

Quality Segment

200

assay

98%

mp

285 °C (dec.) (lit.)

functional group

nitro

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

Description

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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

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