2-Pyridinethione CAS 2637-34-5

2(1H)-PYRIDINETHIONE;2-PYRIDYL MERCAPTAN;2-PYRIDINETHIOL;2-MERCAPTOPYRIDINE;MERCAPTO(2-)PYRIDINE;2-mercapto;2-Pyridinethione;2-Thiopyridine

2-Mercaptopyridine Basic information
Product Name:	2-Mercaptopyridine
CAS:	2637-34-5
MF:	C5H5NS
MW:	111.16
EINECS:	220-131-9
Mol File:	2637-34-5.mol
2-Mercaptopyridine Chemical Properties
Melting point	127-130 °C(lit.)
Boiling point	184.9±23.0 °C(Predicted)
density	1.161 (estimate)
refractive index	1.5605 (estimate)
Fp	125°C
storage temp.	2-8°C
solubility	Slightly soluble in chloroform, methanol and dimethyl sulfoxide.
form	Crystalline Powder
pka	pK1:-1.07(+1);pK2:10.00(0) (20°C)
color	Yellow to brownish
Water Solubility	50 g/L (20 ºC)
Sensitive	Air Sensitive
BRN	105758
Stability:	Stable. Incompatible with strong bases, strong oxidizing agents.
InChIKey	WHMDPDGBKYUEMW-UHFFFAOYSA-N
CAS DataBase Reference	2637-34-5(CAS DataBase Reference)
NIST Chemistry Reference	2(1H)-Pyridinethione(2637-34-5)
EPA Substance Registry System	2-Mercaptopyridine (2637-34-5)

Item	Specifications	Results
Appearance	Light yellow to yellow crystalline powder	Conform
Assay %	≥ 98.0	99.27 %
Loss on drying	≤ 1.0 %	0.36 %
Identification	Conform	Conform
Conclusion	The results conforms with enterprise standards

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Mass Spectrometry Analysis

GC-MS / LC-MS/MS: Qualitative and Quantitative Analysis
ICP-MS: Trace Metal Elements (ppb Level)
TOF-MS: Precise Molecular Weight Determination

Thermal Analysis Methods

Thermogravimetric Analysis (TGA)
Differential Scanning Calorimetry (DSC)
Differential Thermal Analysis (DTA)