Di-tert-butyl polysulfide;TBPS;Chevron Phillips TBPS 454;Tertiary-Butyl Polysulfide 454;dimethyl disulfide substitute;Alternatives to DMDS
Chevron Phillips TBPS 454
Appearance: brown-black liquid Solubility: insoluble in water, soluble in hydrocarbons, ether, organic sulfide sulfur content (%, wt/wt): 54-56
It is an ideal substitute for the widely used dimethyl disulfide, which is comparable to similar foreign products. It is widely used as a pre-sulfiding agent for hydrogenation catalysts in hydrogenation units and as an anti-coking agent for ethylene cracking units. This compound is the most prominent. Features: high sulfur content, high purity of organic polysulfides, no impurities, no metal ions, no catalyst poisoning when used as a pre-vulcanizing agent; wide molecular weight distribution, wide decomposition temperature range during vulcanization, and catalyst concentration can be avoided when vulcanizing the catalyst Exothermic, does not sinter the catalyst, and facilitates the sulfidation operation. At the same time, since the decomposition products are small molecular hydrocarbons, the catalyst will not be polluted by carbon deposition. Another outstanding feature is its small odor, non-volatile, safe to use, and easy to store and transport.
200L steel-plastic drum or IBC drum. This product should be stored in a cool, ventilated and dry place.
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