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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:
628-13-7
Molecular Weight:
115.56
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
329769265
EC Number:
211-027-4
Beilstein/REAXYS Number:
3615340
MDL number:
MFCD00012802
Assay:
≥98.0% (AT)
Form:
powder
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grade

purum

Quality Segment

200

assay

≥98.0% (AT)

form

powder

bp

222-224 °C (lit.)

mp

143-147 °C, 145-147 °C (lit.)

SMILES string

Cl[H].c1ccncc1

InChI

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

InChI key

AOJFQRQNPXYVLM-UHFFFAOYSA-N

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.

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pictograms

Exclamation mark
GHS07

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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