| 11. | Large amounts of propionic acid were once produced as a byproduct of acetic acid manufacture.
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| 12. | Products include acetic acid, propionic acid and butyric acid.
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| 13. | Propionic acid is also useful as an intermediate in the production of other chemicals, especially polymers.
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| 14. | It is the ethyl ester of propionic acid.
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| 15. | The esters of propionic acid have fruit-like odors and are sometimes used as solvents or artificial flavorings.
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| 16. | In biogas plants, propionic acid is a common intermediate product, which is formed by fermenting propionic acid bacteria.
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| 17. | The main metabolite is inactive and is called " " N "-desisopropyl propionic acid " in the literature.
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| 18. | In biogas plants, propionic acid is a common intermediate product, which is formed by fermenting propionic acid bacteria.
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| 19. | The ethyl ester of propionic acid ( "'1 "') was brominated and then converted to the Wittig reagent using triphenylphosphine.
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| 20. | "' Propionic acid "'( from the salts and esters of propionic acid are known as propionates ( or propanoates ).
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