Elemental sulfur, from which Pennwalt synthesizes a family of organosulfur compounds.
Think thiols. Come to unusual conclusions· tirely new useful structures. The thiol radical has a talent for the unWith the talents they have, these comusual. It could be just what you need to propounds also can give you selective solubility, duce the end-product characteristics you've extend thermal capability, provide other usebeen seeking. ful qualities. Specific biological activity, for instance. Nature madeorganosulfursunique. Pennwalt Mercaptans have become basic b u i l d i n g makes them plentiful, from constantly expandblocks for a wide range of defoliants, insectiing facilities in the U.S. and Europe. We have cides, fungicides and nematocides. They're the world's leading capacity in mercaptans, also used in synthesizing animal feed supplefrom methyl to tridecyl, cyclic sulfides, sulments such as methionine, and in making fonic acids, and derivatives. When you think active pharmaceuticals. thiols, think Pennwalt. Write for O p p o r t u n i t i e s in synthesis literature. Organic Chemicals are intriguing because sulfur Div., Pennwalt C o r p o r a t i o n , c o m p o u n d s can enter reacThree Parkway, Philadelphia, tions beyond the reach of their Pa. 19102. oxygen analogs, creating enINDUSTRIAL CHEMICALS
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In Europe: Vondelingenplaat B.V., Rotterdam, 3031, P.O. Box 7120; Telex 22419 In Japan: Pennwalt Japan Ltd., Hotel New Japan, Tokyo; Telex J26184
