Antidegradants MB | CAS 583-39-1
- CAS No.: 583-39-1
- EINECS No.: 209-502-6
- Molecular Formula: C7H6N2S
- Chemical Name: 2-Mercaptobenzimidazole
- Synonyms: 2-Benzimidazolethiol, Benzimidazole-2-thiol, Rubber Antidegradants MB
- Molecular Weight: 105.20
|Initial M.P. ℃ ≥||290.0||290.0||290.0|
|Assay % ≥||95.0||95.0||95.0|
|Density at 20℃(g/cm3)||1.42||1.42||\|
|Loss on drying % ≤||0.30||0.50||0.30|
|Ash % ≤||0.30||0.30||0.30|
|Residue on 150μm sieve % ≤||0.10||0.10||\|
|Residue on 63μm sieve % ≤||0.50||0.50||\|
|Granule Diameter mm||\||\||2.50|
Properties: White powder. No smell but taste biller. The density is 1.42. Soluble in alcohol, acetone, ethyl acetate, slightly soluble in petroleum ether, CH2CI2, insoluble in CCI4, benzene and water. Good stabilization storage ability. As second anti-degradant without poison.
Application: A non-staining secondary antioxidant for natural rubber, CR, SBR, NBR and EPR etc. Especially effective against heat oxidation in combination with amine. Also an intermediate in the synthesis of Rabeprazole.
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 years.
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