Process for producing phosphoric esters

Details Process for producing phosphoric esters Process for producing phosphoric esters

1995-07-03

1996-10-15

Richter, Johann

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus esters

C07F 909

Patent

active

055656013

ABSTRACT:
Phosphoric esters (mono-, di- or triester) is useful as, for example, a cleaner, an emulsifier, an antistatic agent, metal-chelating agent and a lubricant for fibers. It is produced at a high yield while completely trapping the hydrogen chloride gas formed as a by-product. The reaction between a phosphorus oxyhalide and an organic hydroxyl compound to produce a phosphoric ester is effected in the presence of a metal salt of an acid having a pKa of from -5 to 13.

REFERENCES:
patent: 2938048 (1960-05-01), Odenweller et al.
patent: 4714771 (1987-12-01), Liu
Kagaku Binran, Kiso-hen 2, third revised edition, pp. 338-343, published Jun. 25, 1994.

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