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2-Mercaptobenzimidazole CAS#583-39-1

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Chemical Name:2-Mercaptobenzimidazole

CAS No.583-39-1

Molecular Formula:C7H6N2S

Molecular weight: 150.2

Sample: Available

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Product Details

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

Product Application of 2-Mercaptobenzimidazole CAS#583-39-1

Antioxidant MB is the main non-polluting antioxidant in the rubber industry, which can reduce the discoloration of rubber during vulcanization. This product is suitable for making transparent, white and bright-colored products, heat-resistant and foam products. This product does not change color and is not polluted.

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