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243086

Pyridine hydrochloride

Name: Pyridine hydrochloride
Brand: ALDRICH

98%

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

NACRES:

NA.22

PubChem Substance ID:

24854598

eCl@ss:

39151701

UNSPSC Code:

12352100

EC Number:

211-027-4

MDL number:

MFCD00012802

Beilstein/REAXYS Number:

3615340

Assay:

98%

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Properties

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

Description

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.

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pictograms

GHS07

signalword

Warning

hcodes

H302,H315,H319

pcodes

P264 - P280 - P301 + P312 - P302 + P352 - P305 + P351 + P338 - P332 + P313

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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