
Syngenta Demand 2.5CS For The Control Of Mosquitoes, Cockroaches And Houseflies 1 L
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Syngenta Demand 2.5 CS (Lambda-cyhalothrin 2.5% CS)
The Professional's Choice for 90-Day Mosquito & Cockroach Control.
Demand 2.5 CS uses advanced iCAP™ (Micro-Encapsulation) Technology. The powerful active ingredient is sealed inside tiny capsules that stick to insects like Velcro. These capsules are not absorbed by porous surfaces (like cement or mud walls), ensuring the poison stays on the surface where bugs walk. This guarantees up to 3 months of control with a single spray.
Best For: Mosquitoes (Indoor Residual Spray), Cockroaches (Restaurants/Homes), Houseflies, and Bed Bugs.
Why Choose Demand 2.5 CS? Key Benefits
- ⏳90-Day Residual Control: The capsules release the poison slowly. One spray job lasts for 3 months, saving labor costs and re-spray efforts.
- ?Works on Porous Surfaces: Ordinary sprays soak into cement and mud walls, becoming useless. Demand's micro-capsules are too big to soak in—they stay on top, waiting for the mosquito.
- ?No Smell & No Stains: It is a water-based suspension. It does not smell like kerosene or leave oily stains on expensive furniture or wall paint.
- ?The "Domino Effect": Cockroaches pick up the capsules on their bodies and carry them back to their hiding spots (harborages), killing other roaches they touch.
- ?High Dilution Rate: You only need 10-20 ml per liter of water. One liter bottle makes up to 50-60 liters of finished spray solution.
Technical Specifications
| Parameter | Details |
|---|---|
| Brand Name | Demand 2.5 CS |
| Active Ingredient | Lambda-cyhalothrin 2.5% |
| Technology | iCAP™ (Micro-Encapsulated Suspension) |
| Chemical Group | Synthetic Pyrethroid (Type II) |
| Toxicity Label | ? Yellow (Highly Toxic) |
| Shelf Life | 2 Years |
How It Works: Mode of Action
Demand 2.5 CS acts on the insect's nervous system:
- Adhesion: The polymer capsules stick to the waxy legs of insects as they walk over treated surfaces.
- Release: The capsule breaks or releases the active ingredient upon contact.
- Knockdown: The Lambda-cyhalothrin enters the insect and causes rapid paralysis (Knockdown).
- Death: The insect dies shortly after due to nervous system failure.
Target Pests & Application Areas
| Target Pest | Application Area |
|---|---|
| Mosquitoes (Anopheles/Aedes) | Indoor walls, Ceilings, Behind curtains, Dark corners |
| Cockroaches (German/American) | Cracks & Crevices, Under sinks, Behind appliances |
| Houseflies | Garbage bins, Window sills, Entry points, External walls |
| Bed Bugs | Mattress seams, Bed frames, Baseboards |
Dosage & Mixing Guide
Pro Tip: Shake the bottle vigorously before opening to ensure capsules are evenly mixed.
Standard Dilution Rates (India)
| Infestation Level | Dose per Liter of Water | Coverage Area |
|---|---|---|
| Maintenance / Low | 10 - 15 ml | 25 Sq. Meters (approx 250 Sq. Ft.) |
| Heavy / Clean-Out | 20 ml | 25 Sq. Meters (approx 250 Sq. Ft.) |
How to Apply: Best Practices
- Equipment: Use a standard compression sprayer with a Flat Fan Nozzle for even surface coating. Avoid thermal fogging as heat destroys the capsules.
- Mixing: Fill the tank half with water. Add the dose. Shake well. Top up with water. Shake again every 15 minutes during use to keep capsules suspended.
- Technique: Spray until the surface is just wet (do not let it drip/run off). Focus on corners, cracks, and resting places.
- Safety: Do not spray on food preparation surfaces or utensils. Cover aquariums (highly toxic to fish).
Frequently Asked Questions
1. What is the price of 1 Liter Demand CS?
The market price typically ranges between ₹950 and ₹1,200. Given its high dilution rate, it is very economical per liter of spray.
2. Does it smell?
No. Demand 2.5 CS is virtually odorless, making it perfect for indoor use in homes, hospitals, and restaurants.
3. Is it safe for pets?
Once the spray is completely dry (usually 2-3 hours), it is safe for pets to re-enter. However, keep cats away during spraying as they are sensitive to pyrethroids.
4. Can I use it for thermal fogging?
No. The heat will melt the micro-capsules. Use it only as a cold spray (surface spray).
5. Does it stain walls?
No, it is a water-based suspension and does not stain or discolor painted surfaces or fabrics.
Safety & Disclaimer
DANGER: This is a Yellow Label product. It is highly toxic to fish and bees. Wear gloves and a mask. Do not inhale spray mist. In case of skin irritation (tingling), wash with cold water and soap.

