Lambda-Cyhalothrin Insecticide 25g/l EC, 10%WP, 25%WP

Product Attribute	Specification
Active Ingredient	Lambda-Cyhalothrin
CAS Number	91465-08-6
Chemical Class	Synthetic pyrethroid
IRAC Group	Group 3A
Product Type	Insecticide
Mode of Action	Sodium channel modulation
Main Activity	Contact and ingestion
Plant Movement	Non-systemic
Available Formulations	25 g/L EC, 5% EC, 10% WP, 25% WP, 4.9% CS, 9.7% CS
Main Pest Direction	Registered chewing and sucking insect pests
Main Application Direction	Agricultural foliar use and separately registered professional pest-control programs
Supply Type	Bulk supply, private label, packaging, and registration-document support
Standard MOQ	1000 L for liquid formulations or 1000 kg for solid formulations
Standard Lead Time	Approximately 20 to 30 days

The approved crop, pest, application method, rate, PHI, REI, and MRL must be confirmed from the destination-market label.

Available Lambda-Cyhalothrin Formulations

The correct Lambda-Cyhalothrin formulation should be selected according to local registration, application equipment, packaging channel, storage conditions, and buyer preference.

A higher active ingredient concentration does not automatically provide a wider pest spectrum, stronger control, or longer residual performance.

Lambda-Cyhalothrin 25 g/L EC and 5% EC

Lambda-Cyhalothrin EC is a liquid emulsifiable concentrate intended for dilution in water before application.

The 25 g/L EC specification may also be described as 2.5% EC in markets using a percentage-based concentration convention. Buyers should confirm how the concentration is expressed in the registration documents.

EC formulations may suit markets requiring:

• Liquid concentrate packaging
• Easy measurement and dilution
• Established EC registration specifications
• Retail bottles or bulk liquid drums
• Conventional foliar spray equipment

The solvent system, emulsion stability, low-temperature behavior, packaging compatibility, and storage stability should be evaluated for the final formulation.

The 5% EC specification contains more active ingredient per unit of formulated product than 25 g/L EC. It may therefore require a lower formulated product volume to deliver an equivalent registered active ingredient rate.

This concentration difference does not automatically mean that 5% EC:

• Controls more pests
• Is suitable for more crops
• Performs better under high pest pressure
• Provides longer residual activity
• Requires fewer applications

These factors depend on the approved label, delivered active ingredient rate, formulation quality, pest sensitivity, and field conditions.

Lambda-Cyhalothrin 10% WP and 25% WP

Lambda-Cyhalothrin WP is a wettable powder formulation that disperses in water before spraying.

WP products may be relevant for markets that prefer:

• Powder pesticide packaging
• Aluminum foil bags or fiber drums
• Reduced dependence on liquid solvent systems
• Existing WP registration specifications
• Compact storage and transport formats

Adequate agitation is important during mixing and application to maintain a uniform suspension.

Dust exposure should also be controlled during opening, measuring, mixing, and disposal. The exact PPE requirements must follow the product label and SDS.

Lambda-Cyhalothrin 25% WP contains more active ingredient per unit of product than 10% WP. The final choice should be based on registration, packaging size, application convenience, commercial channel, and market preference.

Lambda-Cyhalothrin 4.9% CS and 9.7% CS

CS means Capsule Suspension.

In a CS formulation, the active ingredient is contained within suspended capsules in a liquid system. This creates a different formulation profile from conventional EC and WP products.

A CS formulation may be selected when the market requires:

• A registered capsule suspension specification
• Liquid packaging
• Differentiated handling characteristics
• A distinct commercial product position
• Formulation-specific release performance supported by product data

Residual activity and rainfastness should not be assumed from the letters CS alone. These properties must be supported by formulation-specific stability, drying, rainfall, efficacy, and field-performance data.

Products containing Lambda-Cyhalothrin

Main Functions

Lambda-Cyhalothrin is used in registered programs to reduce crop damage caused by susceptible chewing and sucking insects.

Its main functions include:

• Rapid contact activity against exposed pests
• Ingestion activity after pests feed on treated material
• Knockdown of susceptible mobile insect stages
• Reduction of continued feeding and crop injury
• Protection of treated crop surfaces
• Use within an IRAC-based resistance-management program

Lambda-Cyhalothrin is non-systemic. It does not move through the complete plant vascular system or automatically protect new growth appearing after application.

Spray coverage remains important, especially when insects are located on leaf undersides, inside dense canopies, under crop residues, or within folded plant tissue.

Mode of Action

Lambda-Cyhalothrin belongs to IRAC Group 3A and acts as a sodium channel modulator in the insect nervous system.

After sufficient contact or ingestion exposure, it interferes with the normal opening and closing of voltage-gated sodium channels. This may cause:

• Repeated nerve firing
• Hyperexcitation
• Loss of coordination
• Knockdown
• Paralysis
• Death of susceptible insects

Visible knockdown may occur before complete population control is achieved.

Final performance depends on pest species, life stage, delivered dose, exposure, formulation quality, environmental conditions, and local pyrethroid resistance.

For a more detailed technical explanation, read the complete Lambda-Cyhalothrin guide.

Target Pest Directions

Lambda-Cyhalothrin may be used against different pest groups where the crop, pest, and formulation are included on the local product label.

Pest Group	Representative Pest Direction
Lepidopteran larvae	Armyworms, cutworms, bollworms, leafrollers, leaf folders, and selected borers
Sucking pests	Aphids, leafhoppers, planthoppers, whiteflies, and selected psyllids
Beetles	Flea beetles, weevils, and other registered crop beetles
Thrips	Label-listed species on approved crops
Field and turf insects	Grasshoppers, cutworms, and selected surface-active pests
Professional pest-control targets	Mosquitoes, flies, ants, cockroaches, or other pests in separately registered products

These are product-development directions rather than universal control claims.

The target pest should be confirmed by:

• Scientific or accepted common name
• Crop or treatment site
• Pest life stage
• Local susceptibility
• Resistance history
• Approved label claim

Lambda-Cyhalothrin should not be positioned as a primary miticide unless a specific product registration and efficacy data support the intended mite claim.

Suitable Crops and Application Areas

Depending on local registration, Lambda-Cyhalothrin formulations may be developed for selected programs in:

• Wheat and other cereals
• Corn
• Rice
• Cotton
• Soybean and other oilseeds
• Potatoes
• Brassica vegetables
• Fruiting vegetables
• Cucurbits
• Legumes
• Fruit crops
• Plantation crops
• Ornamentals
• Turf and non-crop areas where approved

Crop and pest combinations vary between markets.

Agricultural formulations should not automatically be promoted for residential, livestock, warehouse, veterinary, indoor, or public-health applications.

Professional sanitation and vector-control projects require separately registered formulations, use sites, application methods, safety instructions, and labels.

Buyers evaluating mosquito, fly, cockroach, or warehouse-pest projects can review the POMAIS public health pest-control products.

Application Guidance

There is no single application rate suitable for every Lambda-Cyhalothrin product.

Rates vary according to:

• Active ingredient concentration
• EC, WP, or CS formulation
• Crop
• Target pest
• Pest life stage
• Application method
• Spray volume
• Local registration
• Maximum permitted rate

A professional application program should confirm:

1. The crop or treatment site is approved.
2. The target pest is listed on the product label.
3. The pest is at a susceptible and exposed stage.
4. The sprayer is correctly calibrated.
5. The water volume can cover the target surface.
6. The application rate follows the local label.
7. The maximum application number is not exceeded.
8. The required PHI and REI are observed.
9. Domestic and export MRL requirements are considered.
10. Drift, runoff, and non-target exposure are controlled.

Early pest monitoring and correct spray placement are usually more valuable than waiting until the infestation becomes severe.

Application timing should be based on field scouting, economic thresholds, pest development, and local technical guidance rather than a fixed calendar.

Differences Between EC, WP, and CS Formulations

Comparison Factor	EC	WP	CS
Physical form	Liquid emulsifiable concentrate	Dispersible powder	Liquid capsule suspension
Dilution behavior	Forms an emulsion in water	Forms a suspended dispersion	Suspended capsules disperse in water
Main packaging	Bottles and drums	Bags and fiber drums	Bottles and drums
Handling focus	Solvent system and emulsion stability	Dust control and continuous agitation	Capsule stability and suspension behavior
Buyer consideration	Established liquid formulation and easy measurement	Powder channel and compact storage	Differentiated formulation profile
Residual performance	Formulation- and label-specific	Formulation- and label-specific	Requires formulation-specific support
Crop and pest spectrum	Determined by label	Determined by label	Determined by label
Final selection	Registration and market demand	Registration and market demand	Registration and market demand

No formulation is universally superior.

An EC may suit one market because of established registration and application practices. A WP may suit another because distributors prefer powder packaging. A CS may be selected where the commercial channel and registration require capsule suspension technology.

Product Advantages for Importers and Distributors

Multiple Formulation Options

POMAIS can evaluate EC, WP, and CS specifications according to the target market.

This allows buyers to select a formulation that fits:

• Existing registration references
• Local farmer preferences
• Retail packaging formats
• Application equipment
• Distribution channels
• Product portfolio positioning

Consistent Batch Quality

Quality-control testing may include, depending on the formulation:

• Active ingredient content
• Relevant impurity control
• Appearance
• pH
• Emulsion stability
• Suspensibility
• Wet sieve testing
• Particle-size distribution
• Pourability
• Persistent foam
• Low-temperature stability
• Accelerated storage stability
• Packaging compatibility

The final inspection plan depends on the agreed product specification.

Flexible Packaging

Liquid EC and CS formulations may be supplied in:

• 100 mL bottles
• 250 mL bottles
• 500 mL bottles
• 1 L bottles
• 5 L containers
• 20 L containers
• 200 L drums
• Other confirmed formats

WP formulations may be supplied in:

• 100 g bags
• 250 g bags
• 500 g bags
• 1 kg bags
• 5 kg packs
• 10 kg packs
• 25 kg drums
• Other confirmed formats

Packaging material, bottle type, cap, liner, seal, label, carton, pallet, and transport requirements should be confirmed before production.

Private Label and Multilingual Packaging

Support may include:

• Private label production
• Multilingual label printing
• Bottle and bag selection
• Carton design
• Barcode and QR code placement
• Tamper-evident packaging
• Shipping-mark preparation
• Market-specific warning statements

Final artwork remains subject to destination-country pesticide-label requirements and buyer approval.

Technical Document Support

Available documents may include:

• Certificate of Analysis
• Safety Data Sheet
• Technical Data Sheet
• Product specification
• Batch inspection record
• Packaging information
• Sample label
• Manufacturing and quality documents
• Registration-support files subject to project review

Document availability depends on the formulation, destination country, and registration project.

Resistance Management

Repeated use of Lambda-Cyhalothrin or other IRAC Group 3A insecticides can select resistant pest populations.

Changing from Lambda-Cyhalothrin to another pyrethroid does not create a new mode of action when the alternative remains in Group 3A.

A resistance-management program should:

• Use Lambda-Cyhalothrin only against approved pests.
• Apply at the most susceptible pest stage.
• Avoid unnecessary repeat applications.
• Follow the maximum application number on the label.
• Rotate with effective insecticides from different IRAC groups.
• Base spray windows on pest generations where possible.
• Monitor field performance.
• Integrate biological, cultural, and mechanical controls.
• Investigate control failure before increasing rate or frequency.

A mixture should not automatically be described as a resistance solution.

Each active ingredient in a mixture should be registered, effective against the target pest, and used according to local resistance-management guidance.

Tank Mix and Compatibility Guidance

Do not assume that Lambda-Cyhalothrin is compatible with every insecticide, fungicide, herbicide, fertilizer, oil, or adjuvant.

Before considering a tank mixture, confirm:

• Both labels permit the combination.
• The crop and application timing are compatible.
• The mixture is legally registered where required.
• Water quality is suitable.
• The formulation order is correct.
• Physical stability has been evaluated.
• Crop-safety data are available.
• The combined PHI, REI, and MRL requirements can be met.

A jar test may help identify visible physical incompatibility, but it does not confirm legal approval, chemical stability, biological efficacy, or crop safety.

Safety and Environmental Precautions

Lambda-Cyhalothrin products should be handled according to the exact formulation label and SDS.

General precautions include:

• Wear label-specified PPE during mixing, loading, and application.
• Avoid contact with skin, eyes, and clothing.
• Avoid inhaling spray mist or formulation dust.
• Do not eat, drink, or smoke while handling the product.
• Keep unauthorized people and animals away during application.
• Follow product-specific re-entry instructions.
• Prevent spray drift and runoff.
• Do not contaminate ponds, streams, drains, or irrigation water.
• Avoid non-target pollinator exposure according to label restrictions.
• Store the product away from food and animal feed.

Do not use a universal re-entry period across all formulations and markets.

For accidental dermal exposure, follow the exact product label and review the guide to Lambda-Cyhalothrin skin contact first aid.

Residual Performance and Weather Considerations

Residual performance varies according to:

• Formulation
• Registered active ingredient rate
• Crop or treatment surface
• Ultraviolet exposure
• Rainfall
• Irrigation
• Temperature
• Crop growth
• Surface abrasion
• Pest pressure
• Local resistance
• Spray coverage

No universal rainfast time or residual period applies to every formulation.

A higher active ingredient concentration does not automatically produce longer residual control.

Reapplication decisions should follow:

• The product-specific label
• Registered treatment interval
• Rainfall and irrigation conditions
• Crop growth
• Pest monitoring
• Formulation-specific efficacy data

Storage and Transport

Store Lambda-Cyhalothrin products:

• In the original labeled container
• With the seal intact
• In a cool, dry, and ventilated pesticide storage area
• Away from direct sunlight, heat, and ignition sources
• Away from food, feed, seed, and drinking water
• Away from unauthorized personnel
• According to the temperature limits in the specification

Do not transfer the product into food, beverage, or unmarked containers.

Shelf life should be stated according to the approved formulation specification, packaging system, stability data, and storage conditions.

Transport classification, outer packaging, pallet requirements, shipping marks, and dangerous-goods documents should be confirmed before shipment.

Registration, Documentation, and Supply Support

Before starting a Lambda-Cyhalothrin supply project, POMAIS reviews:

• Destination country
• Active ingredient approval status
• Registered or proposed formulation
• Target crops or use sites
• Target pests
• Required concentration
• Packaging format
• Label language
• Registration-document requirements
• Annual procurement volume
• Production and shipping schedule

Standard MOQ is generally:

• 1000 L for liquid formulations
• 1000 kg for powder formulations

Standard production lead time is generally 20 to 30 days after the formulation, packaging, artwork, payment, and document requirements have been confirmed.

Final MOQ and lead time may vary according to:

• Formulation
• Packaging size
• Printed packaging quantity
• Registration-document requirements
• Production schedule
• Raw material availability
• Shipment plan

Frequently Asked Questions

Request Lambda-Cyhalothrin Product Details

POMAIS works with qualified agrochemical importers, distributors, registration companies, and crop-protection brands.

To review a Lambda-Cyhalothrin project, provide:

• Destination country
• Required formulation and concentration
• Target crops or use sites
• Target pests
• Registration status
• Packaging sizes
• Label language
• Required documents
• Expected annual volume

We will evaluate the formulation, packaging, documentation, MOQ, production schedule, and supply direction for your market.

For additional active ingredients and formulations, review the POMAIS insecticide portfolio.