All Photos(4)
Synonym(s):
Pyridinium chloride
Empirical Formula (Hill Notation):
C5H5N · HCl
CAS Number:
Molecular Weight:
115.56
Beilstein:
3615340
EC Number:
MDL number:
UNSPSC Code:
12352100
eCl@ss:
39151701
PubChem Substance ID:
NACRES:
NA.22
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Quality Level
Assay
98%
bp
222-224 °C (lit.)
mp
145-147 °C (lit.)
solubility
ethanol: soluble 50 mg/mL, clear, colorless to light yellow
SMILES string
Cl[H].c1ccncc1
InChI
1S/C5H5N.ClH/c1-2-4-6-5-3-1;/h1-5H;1H
InChI key
AOJFQRQNPXYVLM-UHFFFAOYSA-N
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General description
Pyridine hydrochloride is an acidic type demethylating agent used as a catalyst in deprotection of aromatic methyl ethers.
Application
Pyridine hydrochloride (pyridine hydrochloride) was used in the demethylation of 4,5-dimethyl-7-methoxy-1-tetralone.
Signal Word
Warning
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2
WGK
WGK 3
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Certificates of Analysis (COA)
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Microwave Mediated Dearylation of 2-Aryloxy-5-Nitropyridine
Kher S et al.
Research Journal of Chemical Sciences, 2231, 606X-606X (2011)
Demethylation of methyl aryl ethers using pyridine hydrochloride in solvent-free conditions under microwave irradiation.
Kulkarni PP, et al.
J. Chem. Res. Synop., 6, 394-395 (1999)
Tatyana N Sevastyanova et al.
Molecular pharmacology, 86(5), 492-504 (2014-08-13)
Metabotropic glutamate receptors (mGluRs) function as dimers. Recent work suggests that mGluR1 and mGluR5 may physically interact, but the nature and functional consequences of this relationship have not been addressed. In this study, the functional and pharmacological consequences of this
Wen Zhou et al.
Inorganic chemistry, 52(5), 2271-2273 (2013-02-20)
The reaction of 2,2'-bipyridine (bpy) with monomeric chromium(II) precursors was used to prepare the S = 1 complexes Cr(tBu-acac)2(bpy) (1) and (η(5)-Cp)(η(1)-Cp)Cr(bpy) (3), as well as the S = 2 compound Cr[N(SiMe3)2]2(bpy) (4). The crystallographically determined bond lengths indicate that
Vandana Bhalla et al.
Dalton transactions (Cambridge, England : 2003), 42(13), 4450-4455 (2013-01-26)
Nanoaggregates of a supramolecular ensemble of triphenylene derivative 3 and Cu(2+) ions exhibit 'turn-on' response towards CN(-) ions in an aqueous medium and can detect the trace amount of inorganic cyanide ions (NaCN) in tap water and blood serum milieu.
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