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Merck
CN

82800

Pyridine hydrochloride

purum, ≥98.0% (AT)

Synonym(s):

Pyridinium chloride

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About This Item

Empirical Formula (Hill Notation):
C5H5N · HCl
CAS Number:
Molecular Weight:
115.56
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
211-027-4
Beilstein/REAXYS Number:
3615340
MDL number:
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Product Name

Pyridine hydrochloride, purum, ≥98.0% (AT)

InChI key

AOJFQRQNPXYVLM-UHFFFAOYSA-N

InChI

1S/C5H5N.ClH/c1-2-4-6-5-3-1;/h1-5H;1H

SMILES string

Cl[H].c1ccncc1

grade

purum

assay

≥98.0% (AT)

form

powder

bp

222-224 °C (lit.)

mp

143-147 °C
145-147 °C (lit.)

Quality Level

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Application

Pyridine hydrochloride can be used:
  • As an acid-base catalyst in the conversion of 4-pyridyl propargylic alcohols to the (E)-propenones and propynones.
  • As a reagent in the synthesis of 2-arylindene-1-ones , baicalein , pinosylvin derivatives.
  • As a reagent in O-demethylation reaction under microwave irradiation.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk

WGK 3

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Recent advances in ether dealkylation
Weissman SA and Zewge D
Tetrahedron, 61(33), 7833-7863 (2005)
Estrogen receptor ligands: design and synthesis of new 2-arylindene-1-ones
McDevitt RE, et al.
Bioorganic & Medicinal Chemistry Letters, 15(12), 3137-3142 (2005)
Total synthesis of baicalein
Chen D-Z, et al.
Journal of Asian natural products research, 12(2), 124-128 (2010)
Synthesis and inhibitory effects of pinosylvin derivatives on prostaglandin E2 production in lipopolysaccharide-induced mouse macrophage cells
Park E-J, et al.
Bioorganic & medicinal chemistry letters, 14(23), 5895-5898 (2004)
Facile conversion of pyridine propargylic alcohols to enones: stereochemistry of protonation of allenol
Erenler R, et al.
Tetrahedron Letters, 46(34), 5683-5685 (2005)

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