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Alla Venkata Rama Rao (born 2 April 1935) is an Indian inventor and chemist, [1] known for his pioneering research in the field of drug technology. [2] He is the founder of the A. V. Rama Rao Research Foundation, a non governmental organization promoting research and doctoral studies in chemistry and Avra Laboratories, an organization dealing in intermediates and active pharmaceutical ...
Perfluorooctanoic acid (PFOA; conjugate base perfluorooctanoate; also known colloquially as C8, for its 8-carbon chain structure) is a perfluorinated carboxylic acid produced and used worldwide as an industrial surfactant in chemical processes and as a material feedstock.
Hexamethylenediamine was first reported by Theodor Curtius. [4] It is produced by the hydrogenation of adiponitrile: . NC(CH 2) 4 CN + 4 H 2 → H 2 N(CH 2) 6 NH 2. The hydrogenation is conducted on molten adiponitrile diluted with ammonia, [5] typical catalysts being based on cobalt and iron.
Chemical formula. C 7 H 6 N 4 O: Molar mass: 162.152 g·mol −1 Appearance White fine powder Melting point: 119 °C (246 °F; 392 K) Solubility in water. Reacts with ...
Avra (spring water), a Coca-Cola brand of spring water from Temeni, Greece Avra, a fictional character in Green Lantern: Emerald Knights who is the "First Lantern" Avra Laboratories, founded by A. V. Rama Rao , an Indian inventor and chemist
GenX is a Chemours trademark name for a synthetic, short-chain organofluorine chemical compound, the ammonium salt of hexafluoropropylene oxide dimer acid (HFPO-DA). It can also be used more informally to refer to the group of related fluorochemicals that are used to produce GenX.
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It would not harm the product it was cleaning, ignite with a spark or react with other chemicals. [13] It was used as a dry-cleaning solvent, introduced by Du Pont in March 1961 as " Valclene " [ 14 ] and was also marketed as the "solvent of the future" by Imperial Chemical Industries in the 1970s under the tradename Arklone .
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