Sodium ethyl xanthate Sodium ethyl xanthate Sodium ethyl xanthate (SEX) is an organosulfur compound with the chemical formula CHCHOCSNa. It is a pale yellow powder, which is usually obtained as the dihydrate. Sodium ethyl xanthate is used in the mining industry as a flotation agent. A closely related potassium ethyl xanthate (KEX) is obtained as the anhydrous salt. As with most xanthates, sodium ethyl xanthate can be prepared by treating sodium ethoxide with carbon disulfide: Sodium ethyl xanthate is a pale yellow powder. It is relatively stable in water at high pH if not heated. It rapidly hydrolyses at pH <9 at 25
Ethyl caffeate Ethyl caffeate Ethyl caffeate is an ester of an hydroxycinnamic acid, a naturally occurring organic compound. It can be found in "Bidens pilosa", in "Polygonum amplexicaule var. sinense". It is also found in Huáng bǎi, one of the fifty fundamental herbs of traditional Chinese medicine, also known also as "Cortex Phellodendri", the bark of one of two species of Phellodendron tree: "Phellodendron amurense" or "Phellodendron chinense". It is also found in wines such as Verdicchio, a white wine from Marche, Italy. Ethyl caffeate suppresses NF-kappaB activation and its downstream inflammatory mediators, iNOS, COX-2 and PGE2 "in vitro" or in mouse