Chemical name:

2-Mercaptobenzimidazole

Structural formula:

Molecular formula:

C₇H₆N₂S

Molecular weight:

150.2

Properties:

light yellow or white fine powdery crystal. with bitter taste, Specific gravity 1.42±0.02, soluble in ethanol, acetone and ethyl acetate, sparingly soluble in petroleum ether and dichloromethane, insoluble in carbon tetrachloride, benzene and water, non-toxic.

Uses:

Non-discoloring rubber antioxidant, used in transparent, light or bright-colored rubber products, foam latex, electric cable (0.5%), rubber accelerator stabilizer (0.5-1.5%), thermal stabilizer in natural rubber or butadiene rubber (1-2%). It is not suitable for food-contact rubber products.

Appearance:

off-white or light yellow powder

Melting point:

≥290¡æ

Loss on heat:

≤0.4%

Ash:

≤0.4%

Residue on Sieve(100mesh):

≤0.03%

Packing:

PE film bag lined PP woven bag or laminated kraft bag, Net wt 25kg.

Storage:

Stored in dry and ventilating place