2-Mercaptobenzimidazole CAS#583-39-1

2-Mercaptobenzimidazole CAS#583-39-1

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Versatile Industrial Intermediate:Antioxidant MBI (2-mercaptobenzimidazole) is an important pharmaceutical intermediate widely used in medicine, pesticides, chemicals, and related industries.

High Thermal Stability:With a melting point of ≥285 °C, MBI offers excellent thermal stability, making it suitable for high-temperature processing and demanding applications.

Favorable Chemical Solubility Profile:It is soluble in common organic solvents such as ether, acetone, and ethyl acetate, facilitating formulation and chemical synthesis, while remaining insoluble in water.

Safe and Stable Solid Form:Supplied as a white to light yellow fine crystalline powder, MBI is non-toxic and easy to handle, store, and transport for industrial and research use.
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Product Description

Melting point300-304 °C (lit.)
Boiling point270.6±23.0 °C(Predicted)
Density1.42
Vapor pressure0-0.001Pa at 25℃
Refractive index1.5500 (estimate)
Fp>250°C
Storage temp2-8°C
Solubility0.3g/l
FormPowder
Pka10.24±0.10(Predicted)
ColorWhite to beige
Water Solubility<0.1 g/100 mL at 23.5 ºC
Merck141,082
BRN119867
StabilityStable. Incompatible with strong oxidizing agents.
LogP0.88-1.66 at 20-25℃
CAS DataBase Reference583-39-1(CAS DataBase Reference)
NIST Chemistry Reference2-Mercaptobenzimidazole(583-39-1)
EPA Substance Registry System2-Mercaptobenzimidazole (583-39-1)

Safety Information

Hazard CodesXn
Risk Statements20/21/22-36/37/38-22
Safety Statements26-36-24/25
RIDADRUN 2811 6.1/PG 3
WGK Germany2
RTECSDE1050000
Autoignition Temperature480 °C
TSCAYes
HazardClass6.1
PackingGroupIII
HS Code29339910
ToxicityLD50 orally in Rabbit: 300 mg/kg


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