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Rubber Antioxidant MB
Identification:
Chemical Name: 2-Mercaptobenzimidazole
Synonym: Antidegradants MB; Anitiegene MB; MBI; Antigen MB; 2-Benzimidazolethione
CAS NO.: 583-39-1
Structural Formula:
Molecular Formula: C7H6N2S
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.
Specifications:
Item | Powder | Oiled powder | Granule |
Appearance | White powder(granule) | ||
Initial M.P. ℃ ≥ | 290.0 | 290.0 | 290.0 |
Loss on drying % ≤ | 0.30 | 0.50 | 0.30 |
Ash % ≤ | 0.30 | 0.30 | 0.30 |
Residue on 150μm sieve % ≤ | 0.10 | 0.10 | \ |
Granule Diameter mm | \ | \ | 2.50 |
Application: A non-staining secondary antioxidant for natural rubber, CR, SBR, NBR and EPR etc. Especially effective against heat oxidation in combination with amine. Used in producing transparent, white and bright products.
Packing& Storage:
25kg plastic woven bag, paper with plastic film bag, kraft paper bag.
Stored in the dry and cooling place with good ventilation, avoiding exposure of the packaged product to direct sunlight. The validity is 2 years.