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Merck

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

Key Documents

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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

200

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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
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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

82800-BULK: + 82800-VAR: + 82800-20KG: + 82800-500G: + 82800-INTR: + 82800-100G: + 82800-25KG:

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN1628
BCCN1137
BCCM8371
BCCL7906
BCCL8812

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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)
Total synthesis of baicalein
Chen D-Z, et al.
Journal of Asian natural products research, 12(2), 124-128 (2010)
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)
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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