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4-Mercaptopyridine Structure

4-Mercaptopyridine

Product Name4-Mercaptopyridine

CAS4556-23-4

CBNumberCB2748207

MFC5H5NS

MW111.16

EINECS224-926-1

MDL NumberMFCD00006422

MOL File4556-23-4.mol

MSDS FileSDS

Chemical Properties

Melting point 182-189 °C
Boiling point 194.0±13.0 °C(Predicted)
Density  1.161 (estimate)
refractive index  1.5605 (estimate)
storage temp.  2-8°C
solubility  DMSO, Methanol
pka pK1:1.43(+1);pK2:8.86(0) (20°C)
form  Crystalline Powder
color  Yellow to yellow-green or brown
InChIKey FHTDDANQIMVWKZ-UHFFFAOYSA-N
CAS DataBase Reference 4556-23-4(CAS DataBase Reference)
NIST Chemistry Reference 4-Pyridinethiol(4556-23-4)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39-24/25
WGK Germany  3
RTECS  UT8578000
HS Code  29333990

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