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• An allyl group is an alkene hydrocarbon group with the formula H2C=CH-CH2-. It is made up of a vinyl group, CH2=CH-, attached to a methylene -CH2.
• Compounds containing the allyl group are often referred to as being allylic. Allylic carbons are sp³ hybridized, vinylic carbons are sp² hybridized.
• The site of the saturated carbon atom, where the vinyl group attaches (e.g. next to the OH in allyl alcohol) is called the allylic position or allylic site. A group, such as -OH, attached at an allylic site is sometimes described as allylic. Two examples of simple allyl compounds are allyl chloride and allyl alcohol.
• Allylic methylene groups show special reactivity such as demonstrated in allylic oxidations, ene reactions and the Trost asymmetric allylic alkylation.
• Allyl chloride is a chemical intermediate used in many applications. It is a highly versatile product due to its dual reactive sites at the double bond and the chlorine atom.
• Allyl, an unsaturated bond, imparts a characteristic odor in some compounds. An example is allyl isothiocyanate which is the main ingredient of black mustards. (white mustard consists principally of p-hydroxybenzyl isothiocyanate). Allyl isothiocyanate is called mustard oil. Allyl esters are involved in fragrance, flavor, or odor.
• In a process for production of allyl chloride whereby allyl alcohol and hydrogen chloride are reacted in the presence of a catalyst and the resulting allyl chloride is distilled off from the reaction system, the by-production of diallyl ether is suppressed by lowering the molar concentration ratio of hydrogen chloride with respect to allyl alcohol in the reaction solution.
• Allyl chloride has conventionally been produced by hot chlorination of propylene.
• The catalyst used in the production process can work at any pressure from atmospheric up to 40 bar. The active temperature range is between 400°C and 540°C.
• The most important derivative of allyl chloride is epichlorohydrin, which is produced captively and is mainly used for epoxy resin production. The largest allyl chloride market is the manufacture of quaternary ammonium flocculants for raw and potab water clarification.
• Allylbenzene and Allyl Phenyl Ether are used as a chain-transfer agents in radical polymerization.
• Monoallyl ester of glycerol (MAEG) and mixture of di- and triallyl esters of glycerol (DAEG) are useful for the production of polyesters finding their application in paint and varnish industry and laminated plastics manufacture.
• Allyl alcohol is used in the manufacture of drugs, organic chemicals, plastics, herbicides and
  pesticides.
• Demand for allyl chloride as a result of growth in the water treatment sector, with developing countries giving greater attention to their water infrastructure.
• In addition to feeding the external market, the allyl chloride expansion will allow the leading company in Texas to continue meeting its internal requirements for the manufacturing of epichlorohydrin and other important intermediates, resins and chemicals.

• About allyl alcohol
• Information about allyl alcohol
• Basic information about allyl alcohol
• General about Allyl alcohol

Production and Process

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