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Ultimate Guide to HPM Toofan (Chlorpyriphos 16% + Alphacypermethrin 1% EC)


Introduction to HPM Toofan

HPM Toofan is a powerful insecticide formulated with a dual-action combination of Chlorpyriphos (16%) and Alphacypermethrin (1%) EC. Developed by HPM Chemicals & Fertilizers Ltd., this product is known for delivering fast knockdown and extended protection against a wide range of insect pests across multiple crops.

Active Ingredients and Composition

  • Chlorpyriphos 16%: A broad-spectrum organophosphate insecticide that affects the nervous system of pests through contact and ingestion.

  • Alphacypermethrin 1%: A synthetic pyrethroid that provides a fast knockdown effect by disrupting the sodium channels in insect nerves.

Together, these components provide a synergistic effect, making Toofan highly effective against both chewing and sucking pests.

Mode of Action

  • Acts on the central nervous system of insects

  • Causes paralysis and eventual death

  • Works via contact and stomach action

  • Provides quick control and a long residual effect

Key Benefits of Using HPM Toofan

Dual Action – Combines organophosphate and pyrethroid for superior efficacy
Fast Knockdown – Quickly paralyzes pests on contact
Broad-Spectrum Control – Effective on both sucking and chewing insects
Long-Lasting Protection – Residual activity provides protection for days
Improves Crop Yield – Reduces pest pressure, allowing healthy plant growth


Target Pests Controlled

HPM Toofan is highly effective against:

  • Stem borers

  • Leaf folders

  • Thrips

  • Whiteflies

  • Aphids

  • Jassids

  • Helicoverpa armigera

  • Spodoptera litura

Recommended Crops for Application

You can safely use HPM Toofan in:

  • Cotton

  • Paddy (rice)

  • Soybean

  • Maize

  • Groundnut

  • Vegetables (Brinjal, Okra, Chilli)

  • Pulses (Urad, Moong, Arhar)

Application Guidelines

  • Dosage: 1–1.5 liters per hectare

  • Dilution: Mix with 300–400 liters of water per hectare

  • Timing: Apply at the early sign of pest infestation

  • Equipment: Use knapsack or power sprayer with fine mist nozzle

Note: Avoid spraying during high winds or rain.

Safety Precautions

  • Use personal protective equipment (mask, gloves, goggles)

  • Wash hands and exposed skin after use

  • Do not spray near water sources or bee colonies

  • Keep out of reach of children and animals

Compatibility and Resistance Management

  • Compatible with most fungicides and micronutrients

  • Always perform a jar test before mixing

  • Rotate with insecticides from different chemical groups to avoid resistance buildup


Field Performance and Farmer Reviews

“I used HPM Toofan on my paddy crop and saw visible control on leaf folder within 24 hours.”
Suresh Kumar, Bihar

“Best for Helicoverpa in cotton – saved my crop this year!”
Ravi Patel, Gujarat


Environmental and Soil Impact

  • Breaks down in soil within a reasonable period

  • Safe for non-target organisms if used as recommended

  • Avoid direct application near water bodies

Cost-Effectiveness and ROI

  • Reduces pest-related crop loss by 30–50%

  • Fewer spray rounds needed due to extended efficacy

  • Increases profit margins for farmers by boosting healthy yield

Packaging Sizes and Availability

Available in various commercial sizes such as:

  • 100 ml, 250 ml, 500 ml, 1 Litre, and 5 Litres

Available at major agri-input stores and through authorized HPM distributors across India.


❓ Frequently Asked Questions (FAQs)

1. What is the mode of action of HPM Toofan?
It works on the insect nervous system through contact and ingestion, causing paralysis and death.

2. Can it be used for vegetables?
Yes, it's suitable for brinjal, chilli, okra, and other vegetable crops.

3. Is HPM Toofan safe for humans?
When used with proper PPE and according to label instructions, it is safe for applicators and handlers.

4. How long does it protect the crop?
It provides residual activity up to 10–14 days, depending on weather and crop conditions.

5. Can it be mixed with fungicides?
Yes, it is generally compatible. Always perform a small test mix before bulk preparation.

6. What is the ideal spray timing?
Early morning or late afternoon when pest activity is high and sun is not intense.


✅ Conclusion and Expert Advice

HPM Toofan (Chlorpyriphos 16% + Alphacypermethrin 1% EC) is a trusted solution for Indian farmers seeking powerful pest control. Its broad-spectrum action, fast results, and cost-efficiency make it a valuable addition to integrated pest management programs.