Abstract:The synthesis of monoalkyl phosphates(MAP)has been studied based on polyphosphate acid and l-dodecanol by hybrid process,during the process,some organic solvent has been added．The ex—perimental shows that the yield of monoalkyl phosphate reaches 96.0%.when mole ratio of dodecanol
to phosphoric acid is 0.9:1.the concentration of PPA is 115% and using 7z-hexane as solvent,react 6
h at 90℃.then hydrolysised.
Key words:monoalkyl phosphates;cyclic polyphosphoric acid;dodecanol;potentiometric titration;
gas chromatography
written by: GUO C_hun-wei,L UJun-kang,TANG Hai-jiang,YIN Fu-shah
(School of Chemical and Material Ennee_rlng,Southern Yangtze University,Wuxi 214036,China)

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