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Opal Insecticidal Soap

The Insecticidal Soap


Opal® Insecticidal Soap

  • Opal® Insecticidal Soap is a contact insecticide that controls a variety of common garden and crop pests. The easy-to-apply spray can be used indoors, outdoors, and in greenhouses.
  • Opal® Insecticidal Soap does not persist in the environment and can be used up to the day of harvest.

Mode of Action

  • Opal® acts in two ways: (i) suffocation and disruption of the structure and permeability of insect cell membranes, resulting in death; (ii) via direct contact with pests and has no residual insecticidal activity once the spray has dried.

Pests AFFected

  • Opal® is effective on aphids, earwigs, mealybugs, spider mites, psyllids, pear and rose slugs (sawfly larvae), soft brown scale, whitefly, and other common garden and crop pests.

Use Sites

  • Opal® can be used outdoors, indoors and in greenhouses on vegetables, fruit trees, houseplants, ornamental and shade trees, bedding plants, shrubs, and flowers.

Reduced Risk

  • Opal® may be used up to the day of harvest and does not persist in the environment.
  • Re-Entry Interval if used indoors: 12 hours
  • Pre-Harvest Interval: 0 days

Application Guidelines

  • Please review the product label for application rates and guidelines or talk to an OMEX representative.
  • The product is available in 2 × 10L cases, 200L drum and 800L IBC’s.


Control of Whitefly on zucchini, relative to the untreated check
Control of diamondback moth larvae in a lab bioassay, 2 days after treatment