China Quinclorac Manufacturers, Suppliers and Factory - Good Price Quinclorac

Your Professional Quinclorac Supplier

Changzhou Dayilong Bio-Tech Co., Ltd. is a specialized manufacturer dedicated to the production of insecticides, fungicides, herbicides, plant growth regulators, pesticide intermediates, and pesticide auxiliaries.

Complete Production Equipment

The company has complete OD, SC, SL, EC, FS and other liquid dosage form production equipment, such as grinding machine, colloid shear mill, all kinds of reaction devices, etc. With automatic filling equipment, capping equipment, packaging equipment, packaging equipment, etc.

Strict Quality Management

The company strict quality management, from the procurement of raw and auxiliary materials, to product formula verification, production, analysis and testing, sample retention, to packaging, shipping and other links, product quality supervision infiltrates into each process, implemented to every employee.

Professional Services

Fully communicate with customers before sales, provide professional guidance, and help them choose suitable products. Professional personnel track orders during sales to ensure that products reach customers with quality and quantity assurance, and provide detailed usage instructions and technical support.

Quinclorac 250G/L SC
Formulation: SC. Packing: 20L, 10L, 5L, 1L, 500ml, 250ml, 100ml, 50ml; 1kg, 500g, 250g, 100g

Specification

CAS Number	84087-01-4
Molecular Formula	C10H5Cl2NO2
Mode of Action	Selective herbicide; absorbed by leaves and roots, interferes with cell growth and causes weed death
Tank Mix Compatibility	Compatible with other herbicides like 2,4-D, glyphosate, and insecticides
Common Formulations	Suspension Concentrate (SC)
Common Concentrations	Quinclorac 10% 25% OD Quinclorac 25% 45% 50% 60% 75% WP Quinclorac 50% SG Quinclorac 50% 75% 90% WDG Quinclorac 21.60% 25% 30% 250 g/l 350 g/l SC Quinclorac 96% TC
Packaging Types	500ml/bottle, 1L/bottle, 5L/container
Pre-Harvest Interval	7-14 days

Applications of Quinclorac

Key Agricultural Applications

● Rice Fields
In rice cultivation, Quinclorac is highly effective against barnyard grass, sedges, and broadleaf invaders like false pimpernel. It is often used in flooded paddy systems, where it remains active in water for several days, ensuring prolonged control.
● Wheat and Corn
In wheat and corn fields, Quinclorac targets problem grasses such as crabgrass, switchgrass, and torpedo grass. These weeds often compete for early nutrients and water, reducing yield potential. A timely post-emergent application helps maintain clean rows and efficient crop establishment.

Turfgrass and Lawns

● Residential and Commercial Lawns
Quinclorac is one of the most trusted herbicides for controlling mature crabgrass in lawns. It selectively removes grassy weeds while leaving desirable turf species such as bermudagrass and Kentucky bluegrass unharmed.
● Golf Courses and Sports Fields
It is also used on fairways and athletic fields, where both appearance and function matter. The ability to control both grassy and broadleaf weeds with one product reduces application complexity and saves maintenance cost.

Industrial and Non-Crop Areas

● Roadside and Utility Corridors
Quinclorac is applied to manage invasive grasses in industrial zones, along fence lines, and around railways where vegetation control is essential for visibility and infrastructure protection.
● Parks and Recreational Zones
Its selective nature and low re-entry interval make it suitable for areas with public access, where weed control must be effective but safe.

Key Differences Between Quinclorac and Picloram

Factor	Quinclorac	Picloram
Chemical Class	Quinoline carboxylic acid	Pyridine carboxylic acid
Mode of Action	Synthetic auxin-like herbicide (growth regulator)	Synthetic auxin (systemic herbicide, targets roots and shoots)
Effectiveness	Effective on above-ground parts of field bindweed	Highly effective on both above-ground and root system of bindweed
Application Timing	Spring/early summer (post-emergence)	Spring/early summer or fall (post-emergence, systemic control)
Persistence	Moderate persistence, especially in soils	Longer persistence in soil, providing long-term control
Safety	Safe on most crops (e.g., wheat, corn)	Restricted use in some areas due to soil persistence
Primary Use	Annual and perennial weed control	Perennial weed control, especially in non-crop areas
Environmental Impact	Lower environmental impact	Can affect non-target plants and water sources if misapplied

Recommended Dose of Quinclorac

Crop	Target Weeds	Recommended Dosage
Rice	Barnyard grass, false pimpernel	15 grams per hectare
Wheat	Crabgrass, switchgrass, wild violets	10–15 grams per hectare
Corn	Torpedo grass, barnyard grass	12–18 grams per hectare
Lawns	Crabgrass, broadleaf weeds	10–20 grams per hectare

Storage Precautions for Quinclorac

Temperature

Store in a cool, dry, and well-ventilated area. Avoid direct sunlight or extreme heat to maintain product integrity.

Packaging Integrity

Always keep containers tightly sealed when not in use. Avoid physical damage during transport or handling.

Shelf Life

Our formulations typically maintain full potency for 2 to 3 years under proper storage conditions.

Packaging and Shipping

Packaging	20L, 10L, 5L, 1L, 500ml, 250ml, 100ml, 50ml; 1kg, 500g, 250g, 100g or as your needs
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

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Our Factory

Our company is located in Hengsheng Science and Technology Park, Tianning Economic Development Zone, Changzhou, covering an area of more than 800 square meters. Another processing factory in Huaian Lianshui Industrial Park, covers an area of more than 60 mu.

Our Certificate

FAQ

Q: How long before quinclorac works?

A: When using Quinclorac the kill time on weeds like crabgrass can vary on mix rate used and the maturity and growth stages of the weed. On average if you are using it with a surfactant it can take at least 14 days after application to see dead or dying weeds.

Q: What weeds are killed by quinclorac?

A: Quinclorac Herbicide will controls for a variety of broadleaf and grassy weeds including the following: Barnyardgrass, Black Medic, Broadleaf Signalgrass, Carolina Geranium, Common Dandelion, Common Speedwell, Dollarweed, English Daisy, Field Blindweed, Giant Foxtail, Green Foxtail, Kikuyugrass, Large Crabgrass, ...

Q: How much quinclorac per gallon of water?

A: For a broadcast or spot application of Quinclorac, a common mix rate is approximately 1 tablespoon (0.367 ounces) per gallon of water. This rate is also roughly 1.4 teaspoons per gallon. It's crucial to consult the product label for specific instructions and application rates, as these may vary slightly depending on the product formulation.

Q: Is quinclorac toxic to dogs?

A: Quinclorac is safe as long as your pets are out of the treatment area while you're spraying. Once the application is completely dry, it's safe to let them back outside.

Q: Do I need surfactant with quinclorac?

A: It is highly recommended that surfactant be used with Quinclorac for best results. Storage: Store in a cool dry place away from direct sunlight.

Q: Does quinclorac control nutsedge?

A: Selective, post-emergent herbicides containing halosulfuron, sulfosulfuron, imazaquin, sulfentrazone, flazasulfuron, bentazon, metsulfuron, trifloxysulfuron, or quinclorac have shown the best effects against yellow nutsedge.

As one of the most professional quinclorac manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy high-grade quinclorac from our factory.

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