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82800 Sigma-Aldrich

Pyridine hydrochloride

purum, ≥98.0% (AT)

Synonym: Pyridinium chloride

  • CAS Number 628-13-7

  • Empirical Formula (Hill Notation) C5H5N · HCl

  • Molecular Weight 115.56

  •  Beilstein/REAXYS Number 3615340

  •  EC Number 211-027-4

  •  MDL number MFCD00012802

  •  PubChem Substance ID 329769265

  •  NACRES NA.22

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Properties

Related Categories Building Blocks, C5, Chemical Synthesis, Heterocyclic Building Blocks, Pyridines More...
Quality Level   200
grade   purum
assay   ≥98.0% (AT)
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

Description

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.

Safety & Documentation

Safety Information

Symbol 
GHS07  GHS07
Signal word 
Warning
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3
RTECS 
UT4375000

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Protocols & Articles
Peer-Reviewed Papers
15

References

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