Responsar SC by ENVU is a professional pest-control insecticide developed for managing common crawling and flying insect pests. It can be applied as a diluted residual surface spray in locations where cockroaches hide or move and where houseflies and mosquitoes commonly rest.
The formulation works through contact and ingestion. Beta-Cyfluthrin affects the insect nervous system, producing rapid knockdown and eventual control of susceptible pests. The treatment continues working on the sprayed surface after the deposit has dried, providing residual protection when applied according to the product label.
Responsar contains no organic solvents, which gives it a very low odour compared with many conventional solvent-based insecticides. It is designed to perform on both porous and non-porous surfaces and is endorsed by HACCP International for approved applications within HACCP-based pest-management programmes.
Key Features and Benefits
- Contains Beta-Cyfluthrin 2.45% SC
- Controls cockroaches, houseflies and mosquitoes
- Broad-spectrum insect-control activity
- Provides quick knockdown action
- Offers residual performance on different surfaces
- Suitable for porous and non-porous surfaces
- No organic solvents
- Very low-odour formulation
- Economical solution for common household pests
- Suitable for approved indoor and outdoor applications
- Endorsed by HACCP International
Target Pests
Responsar SC is recommended for controlling:
- German cockroaches
- American cockroaches
- Brown-banded cockroaches
- Houseflies
- Mosquitoes
ENVU’s official product information identifies houseflies, cockroaches and mosquitoes as the principal pests controlled by Responsar SC.
Recommended Areas of Use
Responsar SC may be applied in approved locations such as:
- Houses and residential premises
- Offices and commercial buildings
- Hotels and hospitality premises
- Institutional buildings
- Approved areas in food factories
- Cockroach cracks, crevices and harbourages
- Areas behind furniture and appliances
- Wall and floor junctions
- Housefly and mosquito resting surfaces
- Other approved indoor and outdoor structural areas
Do not apply directly to food, animal feed, utensils, bedding or food-contact surfaces.
Recommended Dosage
Mix:
20 ml of Responsar SC in 1 litre of water
Apply the prepared solution uniformly over:
- 20 m² of porous surfaces, or
- 40 m² of non-porous surfaces.
Understanding Surface Types
Porous surfaces absorb more spray and may include unfinished cement, brick, plaster and similar surfaces.
Non-porous surfaces absorb less spray and may include tiles, metal, glass and sealed or painted surfaces.
Always follow the original product label because coverage may vary according to surface condition, application equipment and spray technique.
Mode of Action
Responsar acts as a contact and stomach insecticide. Beta-Cyfluthrin interferes with the normal functioning of the insect nervous system. This produces rapid knockdown, followed by paralysis and control of susceptible insects.
Mixing and Application Instructions
- Read the complete product label before opening the container.
- Wear rubber gloves, a face mask and other protective equipment specified on the label.
- Fill the spray tank partly with clean water.
- Measure the required quantity of Responsar SC.
- Add the measured product carefully to the spray tank.
- Add the remaining water and mix thoroughly.
- Apply uniformly to approved pest-resting, hiding and movement areas.
- Give particular attention to cracks, crevices and cockroach harbourages.
- Avoid excessive spraying, dripping and runoff.
- Keep people and animals away during treatment.
- Allow treated surfaces to dry completely before permitting re-entry.
Responsar SC is a residual surface insecticide and should not be used for thermal or ULV fogging unless that application is specifically approved on the product label.
Important Safety Instructions
- Do not touch or inhale the concentrated product.
- Wear rubber gloves and a suitable face mask while handling and spraying.
- Avoid contact with the eyes, skin and clothing.
- Do not eat, drink, smoke or chew during application.
- Remove or cover food, utensils, toys and animal feed before treatment.
- Keep children, pets and unauthorised people away from the treatment area.
- Wash hands, face and exposed skin thoroughly after application.
- Wash contaminated clothing separately before reuse.
- Do not allow the product or spray solution to enter drains, ponds or water bodies.
- Store securely in its original labelled container.
- Keep away from food, medicines and animal feed.
- Do not reuse empty product containers.
First Aid
In case of skin contact, remove contaminated clothing and wash the affected area thoroughly with soap and water. If the product enters the eyes, rinse carefully with clean water. Move the affected person to fresh air after inhalation exposure.
Seek medical assistance immediately if poisoning symptoms appear or if the product is swallowed. Carry the original product container or label when obtaining medical treatment. ENVU’s leaflet states that no specific antidote is known and treatment should be symptomatic.
Important Notice
Responsar SC is an insecticide intended for responsible professional pest-management use. Apply it only against pests and in locations approved on the original ENVU label. The dosage, precautions, re-entry requirements and directions printed on the original packaging must always take priority over general product information.
Sold by: Shree Agro Agencies

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