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Molecular Formula C18H15P molecular weight of 262.29 CAS No. 603-35 - 0 triphenyl phosphate as a colorless crystal flake or irregular. The melting point of 79 ~ 80 ° C and 181 ° C flashpoint. The relative density d804 (liquid) 1.075; D254 (solid) 1.194. Soluble in the ether, dissolved in benzene, chloroform and acetic acid, methanol-soluble and ethanol, almost insoluble in water. purposes; Triphenyltin phosphorus is important reagents in organic synthesis, mainly for the preparation of Wittig reagent. The pharmaceutical industry is also very wide use, such as for cefprozil (Cefprozil), cefixime (Cefixime) and carboxyl benzyl ethyl cephalosporins such as the side-chain synthesis.
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