2-Mercaptobenzimidazole CAS#583-39-1
Products Description of 2-Mercaptobenzimidazole CAS#583-39-1
Antioxidant MBI, 2-mercaptobenzimidazole, is a thiol-substituted nitrogen heterocyclic compound and an important class of pharmaceutical intermediates, widely used in medicine, pesticides, chemicals and other fields. The pure product is white or light yellow fine powder crystals, non-toxic, bitter, with a relative density of 1.40-1.44, a melting point of not less than 285°C, soluble in ether, acetone and ethyl acetate, difficult to dissolve in petroleum ether, dichloromethane, insoluble in carbon tetrachloride, benzene and water.
2-mercaptobenzimidazole Chemical Properties
Melting point | 300-304 °C (lit.) |
Boiling point | 270.6±23.0 °C(Predicted) |
density | 1.42 |
vapor pressure | 0-0.001Pa at 25℃ |
refractive index | 1.5500 (estimate) |
Fp | >250°C |
storage temp. | 2-8°C |
solubility | 0.3g/l |
form | Powder |
pka | 10.24±0.10(Predicted) |
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. |
LogP | 0.88-1.66 at 20-25℃ |
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) |
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 |
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 |
Product Application of 2-Mercaptobenzimidazole CAS#583-39-1
2-Mercaptobenzimidazole is used as a rubber antioxidant in natural rubber, synthetic rubber, and latex. It has moderate efficacy against oxygen, climate aging, and static aging. It can also prevent adverse effects caused by over-sulfurization during product vulcanization. At the same time, 2-Mercaptobenzimidazole is also an important pharmaceutical intermediate. Because it is soluble in alkaline solutions, M is used as a copper plating brightener to make the coating bright and have a leveling effect. It can also increase the working current density and is often used in conjunction with N, SPS, etc. In addition, this product is also suitable for the manufacture of transparent, white, and bright-colored products, heat-resistant and foam products. This product does not change color and is not contaminated. This product can also be used as a copper plating brightener to make the coating bright and have a leveling effect. It can also increase the working current density and is often used in conjunction with copper plating brighteners N, SP, etc.
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2-Mercaptobenzimidazole CAS#583-39-1
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