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Paraquat CAS (4685-14-7) C₁₂H₁₄Cl₂N₂, produced by Red Sun, is a broad-spectrum, fast-acting, non-selective herbicide with both contact and limited systemic activity. It effectively controls green plant tissues while leaving non-green tissues unaffected, delivering visible results within hours of application. Once applied, it quickly binds to soil particles, becoming inactivated and leaving no lasting residues.
Known for its wide weed control spectrum, rapid action, and environmental safety due to soil inactivation, this product is also highly toxic to humans, leading to its regulatory restrictions in several countries. Paraquat is widely used for weed management in both cultivated and uncultivated lands, including tea plantations, mulberry fields, fallow areas, and no-till wheat or rapeseed fields before planting. It is especially effective for inter-row weed control in crops such as sugarcane, corn, soybeans, vegetables, and cotton, offering the best results against annual and biennial weeds.
Parameter | Details |
Appearance | White crystalline solid |
Volatility | Non-volatile |
Decomposition Temperature | Above 300°C |
Vapor Pressure | < 0.1 mPa |
Density (20°C) | 1.24–1.26 |
Solubility in Water | Highly soluble |
Solubility in Alcohols | Slightly soluble in low molecular weight alcohols |
Solubility in Hydrocarbons | Insoluble |
Corrosion | Corrodes iron and aluminum; inhibitors added |
Dust Hazard | Irritates eyes and respiratory tract |
Production Form | Liquid concentrate used instead of solid raw form |
Toxicity | Highly toxic; no effective antidote |
Red Sun integrates the entire pyridine industry chain to deliver cost-effective and high-quality Paraquat CAS(4685-14-7) C₁₂H₁₄Cl₂N₂. The company focuses on raw material sourcing, industrial expansion, and technical innovation to maintain market leadership.
The company controls the chain from cassava planting to ethanol and acetaldehyde production.
This ensures stable raw material supply.
It reduces production costs and improves efficiency.
Red Sun expands along two main lines: pyridine-based herbicides such as Paraquat and chlorpyrifos, and 3-methylpyridine derivatives for products like nicotinic acid and insecticides.
This supports product diversification and market growth.
The company holds 1,186 domestic patents and 12 PCT patents.
It leads in building national and industry standards for the pyridine sector, with 22 national and 16 industry standards.
Red Sun integrates advanced production technology, strict quality systems, and large-scale capacity to supply global agricultural markets with stable and reliable products.
Complete production qualifications with full regulatory compliance.
Multiple invention patents support process innovation and product quality.
High-viscosity aqueous formulation improves product performance.
Certified under ISO standards for consistent product quality.
Annual capacity of 32,000 tons for export markets.
Dedicated facilities meet international agricultural requirements.
Red Sun provides Paraquat CAS(4685-14-7) C₁₂H₁₄Cl₂N₂ for efficient weed control across different crops and land types. Usage methods vary by growth stage and weed density.
Apply 100–200 ml of 20% solution per acre with 25 kg water.
Double dosage for weeds above 30 cm height.
Use before or after sowing, or mid-to-late growth stage.
Apply 75–200 ml of 20% solution per acre with 25 kg water.
Use protective directed spraying for inter-row weeds.
Proper safety measures and handling procedures reduce health risks and ensure workplace safety when using Paraquat CAS(4685-14-7) C₁₂H₁₄Cl₂N₂.
Use closed systems and adequate ventilation.
Prohibit smoking and open flames in work areas.
Use dry powder or alcohol-resistant foam extinguishers.
Spray water to cool containers, prevent runoff accumulation.
Wear gas masks during operation or emergencies.
Use chemical safety goggles at all times.
Wear appropriate protective clothing for work tasks.
Use chemical-resistant protective gloves.
No eating, drinking, or smoking in work areas.
Wash thoroughly, store contaminated clothing separately after cleaning.
Regulatory restrictions on Paraquat CAS(4685-14-7) C₁₂H₁₄Cl₂N₂ vary by country. Some have banned its use, while others still allow controlled applications.
China banned production and sales of Paraquat water solutions since 2014.
A full ban on soluble concentrates took effect on September 26, 2020.
Both countries have banned Paraquat use completely.
Switzerland hosts the headquarters of Syngenta, Paraquat’s original developer.
Australia proposed banning 90% of application scenarios by 2024.
Complete prohibition is still under review.
As of April 2025, Paraquat remains approved for sale and use.
It is not listed as a banned pesticide.
Red Sun ensures product quality through strict control of chemical composition, stability, and appearance for Paraquat CAS(4685-14-7) C₁₂H₁₄Cl₂N₂.
Blue-green clear liquid with no mechanical impurities or sediment.
Paraquat cation concentration ≥ 30.5%.
4,4′-Bipyridine ≤ 0.3% of Paraquat cation content.
Water-insoluble matter ≤ 0.5%.
Product pH maintained between 3.0 and 7.0.
Contains dye and pyridine odorant for safety marking.
Cold and heat storage stability tests meet required standards.
Red Sun provides Paraquat in multiple formulations with clear labeling and regulatory compliance for safe transport and delivery.
Paraquat used as the primary herbicidal component.
Available as 45%TK, 42%TK, 250g/L SL, 200g/L SL, 20%GW, 276g/L AS.
Each formulation registered with ICAMA for compliance.
Containers labeled with product type and safety instructions.
Transport follows hazardous chemical regulations for secure delivery.
Products supplied to international agricultural markets with export documentation.
Red Sun offers technical support and value-added services to ensure product performance, regulatory compliance, and customer success.
Support for adjuvant selection and viscosity optimization.
Design and analysis of multi-location field trials.
Collaboration on toxicology and residue research projects.
Label and SDS localization for target markets.
Customized production and packaging services for clients.
Online agronomy training programs for farm operators.
Technical and regulatory teams respond within 24 hours.
Track service requests and technical support online.
