Antioxidant MMB

intro:
  Chemical Name:2-Mercaptomethylbenzimidazole
 
  Molecular Formula:C₆H₈N₂S
 
  Structural Formula:
 
  Molecular Weight:164.22
 
  CAS RN:53988-10-6

  Properties:Gray-white powder. No smell but taste bitter. The density   is 1.33. Soluble in alcohol, acetone, ethyl acetate, slightly soluble in   petroleum ether, CH₂Cl₂,  insoluble in CCL4,   benzene and water. Good stabilization storage ability. As second   anti-degradant without poison.
 
  Application:It can be used for natural and synthetic rubbers; when it   is used for non sulfur curing system, it can achieve good heat resistance;   also used as vulcanizing accelerator for chloroprene rubber and as size heat   sensitizing agent for size. It can not only be used for white or   light-colored products, but also all rubber products; should not be used for   food processing.
 
  Packing:25kg plastic woven bag, paper with plastic film bag, kraft   paper bag.
 
  Storage:The product should be stored in the dry and cooling place   with good ventilation, avoiding exposure of the packaged product to direct   sunlight. The validity is 2 year.
 
  Remark:Super-fine powder can be produced upon clients' demands.

Appearance (visual inspection)

Gray-white powder(granule)

Initial M.P. ^oC ≥

270.0

270.0

heating loss % ≤

0.50

0.50

Ash % ≤

0.50

0.50

Residues on sieve 150μm % ≤

0.10

0.10

Residues on sieve 63 μm % ≤

0.50

0.50

Additive %

\

1.0-2.0