FirstRate® herbicide for soybean



Effective, flexible and economical control

FirstRate® herbicide provides effective, flexible and economical preemergence and postemergence control of the most troublesome broadleaf weeds in soybean. These weeds include cocklebur, marestail, lambsquarters, morningglory, sicklepod, common and giant ragweed, velvetleaf and sunflower. FirstRate can be tank-mixed or applied sequentially with glyphosate to help control glyphosate-tolerant biotypes of common ragweed, lambsquarters and marestail.


Supplemental Information

To find supplemental information on this product in a registered state, please use our Label Finder tool.


Freedom and flexibility

FirstRate® herbicide offers freedom of rotation to most major crops, including corn, alfalfa and wheat, and may be applied PPI, preplant surface, preemergence or postemergence.

Tank-mix options

Tank-mixed or applied sequentially with glyphosate, FirstRate provides full-spectrum control of glyphosate-tolerant/resistant biotypes of common ragweed, lambsquarters and marestail.

Safety and convenience

FirstRate is excellent for crop safety with no leaf burn or stunting, and is packaged in convenient, premeasured water-soluble packets.



Soybean Hay (Glycine max)

Soybean, For Forage (Glycine max)

Soybean, Glyphosate Tolerant (Glycine max)

Controlled weeds

This product delivers effective weed control against the following:

  • Burcucumber
  • Carrot
  • Clover
  • Cocklebur
  • Copperleaf
  • Dandelion
  • Dayflower
  • Dock
  • Horsenettle
  • Horseweed
  • Jimsonweed
  • Lambsquarters
  • Lettuce
  • Mallow
  • Marshelder
  • Morningglory
  • Mustard
  • Nutsedge
  • Pigweed
  • Ragweed
  • Sicklepod
  • Smartweed
  • Sunflower
  • Thistle
  • Velvetleaf
  • Waterhemp
  • Weeds

Refer to the Product Label for complete product efficacy information.

Find labels for this product

State Registrations

  • Registered
  • Unregistered

Technical Specifications

  • Active Ingredient


  • Herbicide Group

    FirstRate contains cloransulam-methyl, a Group 2 herbicide (ALS inhibitor).

  • Approved Use

    For broadleaf weed control in soybean.

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For more information, download the full label for FirstRate® herbicide.
FirstRate Fact Sheet
FirstRate/Durango DMA Fact Sheet
®™Trademarks of Dow AgroSciences, DuPont or Pioneer and their affiliated companies or respective owners.  Sonic and Surveil are not registered for sale or use in all states. Contact your state pesticide regulatory agency to determine if a product is registered for sale or use in your state. Always read and follow label directions.