Check Product Labels Before Tank-Mixing Herbicides

FeXapan™ tank-mix partners must be approved by EPA.

DuPont™ FeXapan™ herbicide Plus VaporGrip® Technology is a low-volatility dicamba formulation. The unique formulation prevents dicamba acid from forming in solution, reducing risk of off-target herbicide movement.

Tank-Mix Guidelines

Use only certified tank-mix partners with FeXapan™ Plus VaporGrip® Technology.

FeXapan™ Tank-mix Guidelines

Dave Roome outlines best practices when tank-mixing FeXapan™
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Follow these guidelines when preparing to apply FeXapan™ Plus VaporGrip® Technology:

  • Do not use ammonium sulfate (AMS), AMS-containing products or UAN products in a tank mix with FeXapan™ herbicide Plus VaporGrip® Technology.
  • Apply a minimum of 15 gallons of spray solution per acre to ensure proper spray coverage.

All uses, all crops where FeXapan™ Plus VaporGrip® Technology are to be used must adhere to tank-mix approvals. FeXapan™ may only be tank-mixed with products that have been tested and found not to adversely affect offsite movement potential of FeXapan™ Plus VaporGrip® Technology.

To ensure effective use of FeXapan™ Plus VaporGrip® Technology, only combine it with tank-mix partners approved by the Environmental Protection Agency (EPA). EPA and DuPont Crop Protection continue to test potential tank-mix partners to show their use will not adversely affect on-target application. As additional tank-mix partners are approved, they will be listed at

Check this website no more than 7 days before application to determine which tank-mix partners are approved for use with FeXapan™ on Roundup Ready 2 Xtend® soybeans or XtendFlex® cotton. If a product brand is not listed, do not tank-mix it with FeXapan™.

Review stewardship guidelines to ensure effective weed control and to minimize risk of off-target herbicide movement.

DuPont™ FeXapan™ is a restricted-use pesticide.
DuPont™ FeXapan™ herbicide is not registered for sale or use in all states. Contact your local DuPont representative for details and availability.
Roundup Ready 2 Xtend® soybeans and Bollgard II® XtendFlex® cotton technology varieties contain genes that confer tolerance to glyphosate and dicamba. Glyphosate herbicides will kill crops that are not tolerant to glyphosate. Dicamba will kill crops that are not tolerant to dicamba.
Always read and follow all label directions and precautions for use when using any pesticide alone or in tank-mix combinations.
Roundup Ready 2 Xtend® soybeans, XtendFlex® Technology and VaporGrip® Technology are trademarks of Monsanto Technology LLC. VaporGrip® Technology is used under license from Monsanto Company. The information provided on this website is for reference only. Always refer to the product labels for complete details and directions for use.