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inylacctic acid and derivatives worth investigating Monsanto produces phrnylacetic acid and derivatives which have possibilities for the Research chemist. These chemicals are believed to have many undiscovered uses. They have indicated uses as intermediates for pharmaceuticals (antispasmotics, seda tives, antiseptics, anticoagulants); for per fumes; for insect repellents. Fhenylacctic acid is a versatile aralkyl acid trith a reactive methylene group. Derivatives made by Monsanto include: I'henylacctohitrile, phcnvlacetamide, beta-pheny lc thy la mine, potassium bhenylflcctate, methyl-phcnylacetatc, pbethanolphenylacetamidc, N-methylphcnylacct amide. If you wish to conduct experiments with any of these chemicals, samples will be Cnt to yon without obligation. Contact the neatest Monsanto Sales Office or mail (he coupon for prompt response. FOR METAL SURFACES top-to-bottom protection Maintenance paints for metal surfaces exposed to weather, water, acids, alkalis and other corrosive influences provide greater top-to-bottoin protection when formulated with Monsanto AKOCLOKS.* because of their protective qualities, the AROCLOKS (chlorinated biphenyl and chlorinated polyphenyls) are. used extensively in modified and synthetic rubber coatings and in laequrrs, hot-inelt strip coatings, vinyl protective coatings, maintenance paints, fire-resistant coatings, wood-scaler formulations and marine paints. For technical information, wi ite Monsanto , . . Please state uses to which you wish to put the AROCLOKS. 5 reasons for SANTOMERSE To forinulators of cleaning compounds, Snntomme'No. 1 oflm numerous advan tages in addition to its well-known effec tiveness as an all-purpose detergent and wetting agent. CON TROLLED DENSITY--Manufac tured in three densities . . . gives you bulk ing to suit your products and markets. COMPATIBILITY--Saittomcm No. 1 b compatible with other detergents and builders. EASY BLENDING--Available in flakes or granules, giving you a selection lo blend readily with other ingredients without stratifying. PROTECTED QUALITY--Santomerec No. I is shipped in wax-lined drums to pro tect quntitv in transit and storage. PROMPT SERVICE--Santomcrsc No. I ,,,. warehoused in 13 cities, coast to coast ,.. will be shipped promptly from a point near you. PLASTICIZER 0 OK for vinyls OK and available now in drum or carload lots, Monsanto IIB-40 will help you lower your vinyl production costs without any sacrifice in quality. The price is 17p per pound in less than carloads--lower in largcrquantitics. A partially hydrogenated terphenyl, HB-40 is used as a coplasticizer, or as an extender for primary plasticizers in vinyl e\trusions, vinyl pastes, vinyl slush moldings, vinyl calendering. For full information on physical properties, application and use ofHB-40, get Technical Bulletin P-104. There's a new Monsanto high-molecularweight alcohol ester--AE-1--that has definite use possibilities in industrial proc essing. Among its present and suggested applications, the following may be of inter est to you: Dcfoamcr in producing ethyl aleohol from molasses . . . dcfoamcr in producing glyc erol from fats . . . foam control in the manufacture of yeast and other fermenta tions . . . elimination of foam in certain bottle-washing operations . .. solving foam problem in polystyrene latex water disper sions . . . lubricant for vinyls that arc extruded or calendered . . . coplasticizer for rubber hydrochloride and chlorinated rubber. For more infonnalion--also samples-- contact Monsanto. Write for Technical Bulletin P-140. MONSANTO CHr.MICAL COMPANY. 1700 S. Second Street, St. Louis 4, Missouri. District Sales Offices: ttinninghain, Boston, Charlotte, Chicago, Cincinnati, Cleveland, Detroit, Los Angeles, New York, Philadelphia, Portland, Ore., San Francisco, Seattle. In Canada, Monsanto Canada Limited, Montreal. <*. V. S. rot. 03. l)i ttji/y; Chcmienl Wook, FVbiuory lf>; Chomical fc Kngineei inf> Nows. Fobvuary 25, 1952. 022273* TOWOLDMONOQ47897