MilliporeSigma
All Photos(1)

82800

Sigma-Aldrich

Pyridine hydrochloride

purum, ≥98.0% (AT)

Synonym(s):
Pyridinium chloride
Empirical Formula (Hill Notation):
C5H5N · HCl
CAS Number:
Molecular Weight:
115.56
Beilstein:
3615340
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

grade

purum

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

Looking for similar products? Visit Product Comparison Guide

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

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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