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COLFOS is a combination insecticide with active ingredients Ethion & Cypermethrin having contact & stomach action. It is effective against Bollworms on Cotton.

Trade Name: COLFOS

Common Name: Ethion 40% + Cypermethrin 5%

Formulation:40% (Ethion) + 5% (Cypermethrin) EC


  • COLFOS is highly effective against bollworms.
  • COLFOS has contact as well as stomach action against target pests.

Mode of Action

  • Ethion- Non-systemic with a predominate contact action. Acetylcholine esterase inhibitor.
  • Cypermethrin- Sodium channel modulator

Recommended Dosages:

Cotton American bollworm 1000 ml


Available in 100 ml, 250 ml, 500 ml & 1 litre packs.


Wash skin with 5% sodium bicarbonate solution. Wash the eyes with 3% sodium bicarbonate and then administer1 to 2 drops of 1% homatropine solution. Immediately inject 2mg atropine sulphate i.v. repeat if necessary at 15 min. interval until pulse is accelerated, mouth and skin becomes dry and pupil dilate.


  • Keep away from heat, food and animal feed.
  • Avoid contact with eyes and skin.

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