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ChemicalBook CAS DataBase List Perfluoroheptanoic acid
375-85-9

Perfluoroheptanoic acid synthesis

11synthesis methods
-

Yield:375-85-9 89 g

Reaction Conditions:

with water at 50; for 3 h;Temperature;

Steps:

3.2 Example 3
(2) The resulting product was added to the fluorination reactor at a temperature of 50 ,From the bottom of the reactor 200ml / min speed of 25% of the fluorine gas. Continued ventilation 25 hours,Sampling test, the raw material completely reacted. Receipt of 112 grams,The yield was 96%, the product of fluorination was warmed to 50 ° C, 9 g of deionized water was added,Continue stirring for 3 hours. Negative pressure distillation, to give the product 89 grams, purity 96.2%. The overall yield of 75.6%.

References:

Jinan Qifu New Materials Co., Ltd.;Zhang Liting CN106831388, 2017, A Location in patent:Paragraph 00114; 0015; 0016

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