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Vapor Pressures of Low-Volatile Esters of 2,4-D

Published online by Cambridge University Press:  12 June 2017

G. W. Flint ,
J. J. Alexander  and
O. P. Funderburk
G. W. Flint
Affiliation:
American Oil Company, Research and Development Department, Whiting, Indiana
J. J. Alexander
Affiliation:
American Oil Company, Research and Development Department, Whiting, Indiana
O. P. Funderburk
Affiliation:
American Oil Company, Research and Development Department, Whiting, Indiana
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Abstract

The vapor pressures of the four most common commercial low-volatile esters and a reference high-volatile ester of 2,4-dichlorophenoxyacetic acid (2,4-D) were determined by gas-liquid chromatography. The order of increasing volatility and the vapor pressure of these esters in mm of Hg at 187 C are as follows: isooctyl—2.7; 2-ethylhexyl—3.0; butoxy ethanol—3.9; propylene glycol butyl ether—3.9; and the reference, isopropyl—16.7. Extrapolations to 25 C support this ranking at working temperatures. Commercial esters of 2,4-D derived from long-chain hydrocarbon alcohols are in the same volatility range as the commercial esters containing an ether linkage.

Information

Type
Research Article
Information
Weed Science , Volume 16 , Issue 4 , October 1968 , pp. 541 - 544
Copyright
Copyright © Weed Science Society of America 

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References

Literature Cited

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