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LITHIUM TETRAFLUOROBORATE CAS14283-07-9Mild Lewis acid, used in Diels - Alder reaction; Ethylene oxide catalyst ammonia solution.
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2-Mercaptobenzothiazole CAS149-30-4As the universal promoter, is mainly used in tires, rubber shoes, adhesive tape and other rubber products. Because have a bitter taste, the rubber products can not be used in food packaging