2-Mercaptopyridine

CAS No. 2637-34-5

Formula: C5H5NS
Basic Info

2-Mercaptopyridine is an organosulfur compound with the formula HSC5H4N. This yellow crystalline solid is a derivative of pyridine. The compound and its derivatives serve primarily as acylating agents. A few of 2-mercaptopyridine’s other uses include serving as a protecting group for amines and imides as well as forming a selective reducing agent. 2-Mercaptopyridine oxidizes to 2,2’-dipyridyl disulfide.

Formula
C5H5NS
Molecular Weight
111.165
Exact Mass
111.014
LogP
1.3703
PSA
51.69
Synonyms

2-pyridinethiol

WR 608

pyridine-2-thio

2-Pyridyl Mercaptan

mercaptopyridine

2-Pyridinethiol,2-Pyridyl mercaptan

thiopyridone-2

Pyrid-2-thione

2-Thiopyridone

2-pyridinylthiol

2-Thiopyridine

pyridine-2-thiol

Alrithiol-2

2(1H)-Pyridinethione

pyridine-2(1H)-thione

2-mercapto-pyridine

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Properties
Appearance & Physical State
yellow crystalline powder
Density
1.2g/cm3
Boiling Point
184.9ºC at 760 mmHg
Melting Point
127-130ºC
Flash Point
125ºC
Refractive Index
1.653
Water Solubility
50 g/L (20 ºC)
Stability
Stable. Incompatible with strong bases, strong oxidizing agents.
Storage Condition
2-8°C
Vapor Pressure
0.716mmHg at 25°C
Safety Info
RTECS
UT9600000
Safety Statements
S22-S26-S28
WGK Germany
3
Risk Statements
R22; R36/38
HS Code
2933399090
Caution Statement
P261; P305 + P351 + P338
Hazard Codes
Hazard Declaration
Caution Statement
Spectrum
NMR Spectrum Predict 1H proton NMR
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Mass Spectrum Mass spectrum (electron ionization)
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UV Spectrum UV/Visible spectrum
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Related Compound Information

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