1121-31-9

Name 2-Pyridinethiol 1-oxide
CAS 1121-31-9
EINECS(EC#) 214-329-4
Molecular Formula C5H5NOS
MDL Number MFCD00006196
Molecular Weight 127.16
MOL File 1121-31-9.mol

Chemical Properties

Appearance off-white powder
Melting point  69-72 °C (lit.)
Boiling point  350.2±15.0 °C(Predicted)
density  1.255 (estimate)
refractive index  1.5480 (estimate)
storage temp.  Refrigerator
solubility  Soluble in tris-hydrochloric acid.
form  Powder, Crystals, and/or Chunks
pka 5.40±0.50(Predicted)
color  Off-white to beige or yellow to yellow-greenish or grayish-green
Stability: Stable. Incompatible with strong bases, strong oxidizing agents.
Sensitive  Air & Light Sensitive
Merck  14,7994
BRN  906983
CAS DataBase Reference 1121-31-9(CAS DataBase Reference)
NIST Chemistry Reference 2-Mercaptopyridine-n-oxide(1121-31-9)
EPA Substance Registry System 1121-31-9(EPA Substance)

Safety Data

Symbol(GHS)  Skull and Crossbones (GHS06)
GHS06
Signal word  Danger
Hazard statements  H301-H315-H319-H335
Precautionary statements  P301+P310+P330-P302+P352-P305+P351+P338
Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R22:Harmful if swallowed.
R63:Possible risk of harm to the unborn child.
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S24/25:Avoid contact with skin and eyes .
S36/37:Wear suitable protective clothing and gloves .
S22:Do not breathe dust .
RIDADR  2811
WGK Germany  3
RTECS  UT8999000
F  8-10-13-23
TSCA  Yes
HS Code  29333990

Hazard Information

Material Safety Data Sheet(MSDS)

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