2-Mercaptobenzimidazole CAS NO.583-39-1

2-Mercaptobenzimidazole Chemical Properties
Melting point     300-304 °C (lit.)
Boiling point     270.6±23.0 °C(Predicted)
density     1.42
refractive index     1.5500 (estimate)
Fp     >250°C
storage temp.     Refrigerator, Under Inert Atmosphere
solubility     0.3g/l
pka    10.24±0.10(Predicted)
form     Powder
color     White to beige
Water Solubility     <0.1 g/100 mL at 23.5 ºC
Merck     14,1082
BRN     119867
Stability:    Stable. Incompatible with strong oxidizing agents.
CAS DataBase Reference    583-39-1(CAS DataBase Reference)
NIST Chemistry Reference    2-Mercaptobenzimidazole(583-39-1)
EPA Substance Registry System    2-Mercaptobenzimidazole (583-39-1)               

2-Mercaptobenzimidazole Basic information
Description Reference
Product Name:    2-Mercaptobenzimidazole
Synonyms:    2-Mercaptobenzimidazole Joyce;Rabeprazolesodium EP Impurity F;Rabeprazole Mercapto Impurity 2;Rabeprazole-1;2,3-dihydrobenzimidazol-2-thione;Rabeprazole Impurity 33（Rabeprazole EP Impurity F）;1,3-dihydro-2h-benzimidazole-2-thion;1,3-Dihydro-2H-benzimidazole-2-thione
CAS:    583-39-1
MF:    C7H6N2S
MW:    150.2 

Safety Information
Hazard Codes     Xn
Risk Statements     20/21/22-36/37/38-22
Safety Statements     26-36-24/25
RIDADR     UN 2811 6.1/PG 3
WGK Germany     2
RTECS     DE1050000
Autoignition Temperature    480 °C
TSCA     Yes
HazardClass     6.1
PackingGroup     III
HS Code     29339910
Toxicity    LD50 orally in Rabbit: 300 mg/kg