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Red Sun’s Diquat Dichloride delivers versatile weed control solutions across multiple agricultural applications. In farmland settings, it efficiently manages inter-row weeds in crops such as corn, soybeans, and cotton, enabling sustainable no-tillage farming practices. For orchards and tea plantations, it prevents weeds from competing with crops like citrus and tea for essential nutrients, ensuring healthy growth and higher yields without compromising soil quality.
Beyond traditional farmland, the product accelerates pre-harvest desiccation for crops such as cotton and potatoes, significantly improving harvesting speed and mechanization efficiency. It also offers effective weed management for non-cultivated areas including grassland renovation, lawn maintenance, wastelands, and roadside vegetation, supporting both agricultural productivity and environmental sustainability.
Parameter | Details |
Product Name | Diquat Dichloride CAS (4032-26-2) C₁₂H₁₂Cl₂N₂ |
Formulation | Diquat 20% SL |
Appearance | Homogeneous dark-green liquid |
Mass Fraction (%) | 19.8 (Standard: 20.0 ±1.2) |
pH Value | 5.6 (Standard: 3.0 – 8.0) |
Solubility | 700 g/L in water (20°C); slight in alcohols; insoluble in non-polar solvents |
Stability | Stable in neutral & acidic; hydrolyzes in alkaline solutions |
Persistent Foaming (mL) | 40 (≤ 60) |
Dilution Stability (20×) | Pass |
2,2’-Bipyridine Content (%) | 0.058 (≤ 0.075) |
Batch No | DL2025042411 |
Standard No | Q/320116 NHSW 026-2021 |
Red Sun's Diquat Dichloride CAS(4032-26-2) C₁₂H₁₂Cl₂N₂ works through several key actions. Each mechanism targets a different process in plants to deliver efficient weed control.
The product works on plant surfaces after direct contact. It targets many weed species without selectivity, damaging treated areas quickly. Both annual and perennial weeds are affected. Plants show clear injury soon after application, starting at the exposed tissues.
Once absorbed, the chemical moves slightly upward within the plant. This movement remains close to the treated tissue and does not reach roots or distant leaves. As a result, only exposed areas show strong effects, leaving untreated parts less impacted.
The product stops electron transfer in photosystem I during photosynthesis. This prevents plants from producing the energy needed for growth. Over time, the leaves lose color, and plant activity declines until growth stops completely.
The chemical damages plant cell membranes at the treated site. Cells lose water and structure, causing tissue collapse. Leaves dry out, turn pale, and eventually die because normal cell function cannot recover after exposure.
Red Sun introduces Diquat Dichloride with unique technology and full production control. Each feature ensures cost efficiency, high performance, and environmental safety.
Red Sun owns patents for both the Diquat Dichloride mother liquor (PD20181694) and the 20% soluble liquid (PD20200072). These break the 60-year monopoly held by Europe and the U.S. The company uses green production methods to lower emissions and holds 31 patents worldwide.
Production costs drop by 20–30% compared to Diquat Dibromide. This comes from raw material control and better production methods. Herbicidal activity increases by 40% because chloride ions show stronger oxidation than bromide ions.
Red Sun manages the entire chain from pyridine to Diquat Dichloride. With two production bases in Chongqing and Anhui, the company ensures steady supply. Global capacity exceeds 20,000 tons annually, covering over half the market.
The product deactivates quickly when in contact with soil. It leaves no residue and protects future crops. By reducing soil and water loss, it supports sustainable agriculture.
Red Sun delivers full production capabilities and integrated facilities for Diquat Dichloride. Each capability ensures stable supply and efficient resource use.
The company manages raw materials, intermediates, active ingredients, formulations, and the final market. This integration supports a circular economy and reduces environmental impact.
Red Sun owns patents across the Diquat industry chain. This covers both dichloride and dibromide production, ensuring control over core technologies and market advantages.
When all production lines are active, annual Diquat output reaches 20,000 tons. This represents over half of the global capacity, securing leadership in supply.
Red Sun’s Diquat Dichloride offers broad applications in weed control and crop desiccation. Each use follows clear guidelines for timing, dosage, and safety.
Apply during peak weed growth. Mix 40–50 kg water per mu. Spray evenly on stems and leaves for effective control.
Use 30–45 kg spray solution per mu. Apply once, 5–7 days before harvest, following recommended dosage for uniform results.
Avoid spraying on windy days or when rain is expected within one hour. This ensures proper absorption and reduces runoff risk.
Apply only once per season on rice crops. Maintain a minimum safety interval of five days before harvest.
Do not apply in field roads, ridges, orchards, fallow lands, or forest areas to prevent unintended exposure.
Red Sun provides clear guidance for safe use, handling, and storage of Diquat Dichloride to protect users and the environment.
Read the product label before use. Follow instructions strictly. Do not apply in seed production fields or near water bodies, bird reserves, silkworm farms, or beneficial insect zones.
Wear protective clothing, gloves, masks, and shoes during spraying. Avoid eating, drinking, or smoking while handling. Prevent contact with skin, eyes, and mouth. Wash with soap and water after use.
Do not wash equipment in rivers or ponds. Avoid discharge into water bodies. Treated water from rice fields must not flow into aquaculture areas.
Dispose of used containers safely. Do not reuse or discard them randomly. Keep them away from living areas and water sources.
Children, pregnant women, and nursing women must avoid any contact with the product during handling or storage.
Symptoms include nausea, vomiting, abdominal pain, and throat irritation. In case of ingestion, seek immediate medical care. Induce vomiting only under medical supervision. Use activated charcoal and appropriate laxatives as advised by doctors.
Rinse affected skin or eyes with plenty of water for at least 15 minutes. Move inhalation victims to fresh air immediately.
Store in cool, dry, and well-ventilated areas. Keep away from heat, sunlight, and open flames. Lock storage rooms and keep out of children’s reach.
Do not transport with food, feed, or beverages. Prevent leaks, moisture exposure, and direct sunlight during transportation.
Red Sun follows a strict quality assurance system to ensure product safety, compliance, and reliability for all B2B customers.
The company operates under ISO 9001, ISO 14001, and ISO 45001 certifications. These systems ensure quality, environmental control, and workplace safety across all production sites.
Each batch is retained for at least 24 months. ICP-OES testing keeps metal impurities below 10 ppm. Dual HPLC-UV and GC-FID platforms control product release accuracy.
Online NIR technology monitors production in real time. It maintains batch-to-batch consistency with a relative standard deviation (RSD) of 2% or less.
Stability tests at 40 °C and 75% RH track product performance over time. Content degradation curves confirm shelf life and product reliability.
Electronic batch records (eBR) enable full product traceability. Independent third-party audits verify compliance, reinforcing customer confidence in product quality.
Red Sun provides standardized packaging and logistics options for safe, efficient, and compliant product delivery.
Packaging Types:
25 L HDPE Jerrycan, 200 L Drum, and 1,000 L IBC. All options meet UN certification standards with inner lining and leak-proof design.
Container Loading:
20’ FCL capacity optimized for palletized loading. Includes desiccants and temperature control measures to protect product integrity.
Transport Compliance:
Follows IMDG Class 6.1 and IATA DGR Packing Instruction 654 regulations for hazardous goods shipping.
Delivery Lead Time:
Standard delivery time is 10 working days EXW. Supports multiple Incoterms including FOB, CIP, and DDP.
Dual Port Shipping:
Two-port dispatch strategy enables flexible shipping options and helps customers manage cost and timing.
Red Sun offers professional technical support and value-added services to ensure product performance and customer success.
Formulation Upgrades:Assistance with adjuvant selection and viscosity optimization for better application results.
Field Trials:Multi-location trial design, execution, and data analysis to validate product performance.
Regulatory Collaboration:Support for GLP toxicology and residue studies, plus localized label and SDS reviews.
Customized Solutions:OEM and private label services, with tailored packaging designs for customer needs.
Digital Agronomy Training:Online training modules covering safe use, application techniques, and best practices.
24-Hour Response:Technical and regulatory teams respond within 24 hours, with customer portal ticket tracking.
