Substance
ID:714540
Names and Identifiers
IUPAC Traditional name
pyridine hydrochloride
IUPAC name
pyridine hydrochloride
Synonyms
Pyridinium chloridePyridine hydrochloride吡啶盐酸盐
Registration numbers
EC Number
Beilstein Number
CAS Number
MDL Number
Properties
Safety Information
GHS Pictograms
Acute toxicity (oral, dermal, inhalation), category 4
Skin irritation, category 2
Eye irritation, category 2
Skin sensitisation, category 1
Specific Target Organ Toxicity – Single exposure, category 3
GHS Precautionary statements
P261-P305+P351+P338-P302+P352-P321-P405-P501A
TSCA Listed
是
GHS Hazard statements
H302-H315-H319-H335
RTECS
UT4375000
Storage Warning
Hygroscopic
Risk Statements
22-36/37/38
Safety Statements
26-36/37-60
European Hazard Symbols
Harmful (X)Physical Property
Boiling Point
222-224°C
Melting Point
ca 145°C
Product Information
Purity
98%
Molecule Details
No Data Available
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Molecular Spectra
No Data Available
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References
• Mild acid catalyst, e.g. in the formation of acetals with ethylene glycol: J. Org. Chem., 31, 26 (1966), or 1,3-propanediol: Bull. Soc. Chim. Fr., 2287 (1972); and in the Fischer indole synthesis for acid-sensitive substrates: Synthesis, 645 (1977).
• Demethylation of methyl aryl ethers can also be carried out under solvent-free conditions with microwave irradiation: J. Chem. Res. (Synop.), 394 (1999).
• Classical reagent for cleavage of aryl methyl ethers at 200-220 o : Ber ., 75, 445 (1942), avoiding the strongly acidic or basic conditions of some alternative methods; see, e.g.: J. Org. Chem., 27, 4660 (1962):
• In DMF, has been used for the conversion of alkyl tosylates to chlorides at room temperature: J. Am. Chem. Soc., 80, 2726 (1958).
• Cleaves N-trityl groups from histidine residues in peptide synthesis: Tetrahedron Lett., 28, 6031 (1987).
• Epoxides at ambient temperature in chloroform give chlorohydrins: Synth. Commun., 11, 287 (1981).