General Information


PYROFOS CS is a liquid microencapsulated concentrate containing the active ingredient Chlorpyrifos for use in and around (within 6 to 10 feet) the following sites:

Calf Hutches and Calving Pens and Parlors; Cargo Holds of Ships, Empty Chicken Houses, Food and Non-Food Areas of Manufacturing, Industrial Plants and Food Processing Plants; Hog Barns; Milk rooms; Railroad Boxcars.

PYROFOS CS may be used to treat any surface which will not be damaged or marked by water. Heavy applications may leave a noticeable deposit. On some surfaces this deposit can be removed with a damp cloth or sponge.

PYROFOS CS Controls: Angoumois Grain Moths, Aphids, Ants(except carpenter, fire, harvester, and pharaoh), Bees, Beetles, Boxelder Bugs, Cadelles, Carpet Beetles, Cigarette Beetles, Clover Mites, Cluster Flies, Confused Flour Beetle, Crickets, Darkling Beetles, Dermestid Beetles, Dried Fruit Beetles, Drugstore Beetles, Earwigs, Elm Leaf Beetles, Firebrats, Flea Beetles, Flies, Gnats, Grain Mites, Indian meal Moths, Leafhoppers, Leaf Miner, Mealworms, Mediterranean Flour Moths, Millipedes, Moths, Northern Fowl Mites, Psocids, Rod Flour Beetle, Saw-toothed Grain Beetles, Scale, Silverfish, Sowbugs, Spiders(except black widow and brown recluse), Stink Bugs, Trogoderma, and Weevils (Granary Weevils and Rice Weevils).

Limitations, Restrictions, and Exceptions


PYROFOS CS may be applied in compressed air backpack or power spray equipment. Depending on type of equipment used to apply product and landscaping of perimeter, use 0.5 – 1.75 fl oz per 1,000 sq ft. For larger spray equipment, use 5 to 8.75 fl oz of product per 50 gallons of water applied at 10 gallons of dilution per 1,000 sq ft. (50 gallons will cover 5000 square feet.)


- Do not apply to lactating or food animals.

- Do not contaminate milk, food, or drinking water.

- Remove all animals prior to making application to housing.

- Do not apply or allow insecticide to drift into animals.

- Do not allow animals to enter treated areas until surfaces are dry.

For control of other pests and to help prevent infestations of buildings, treat a band of soil 6-10 ft wide around and adjacent to the building. Also treat the building foundation and sides where pest are active and may enter. Treat other insect entry points such as doors, windows, under siding and eaves of structure.