Greentree Chemical Co., Limited is one of the leading manufacturers and suppliers of c9h10cln5o2 imidacloprid 200 g/l sl pest control insecticide in China. With abundant experience, our factory offer high quality chemicals made in China with competitive price. Welcome to contact us for free sample.
Imidacloprid remains highly effective – where it is used wisely. In areas where growers have applied it repeatedly year after year, resistance has emerged, particularly in brown planthoppers, cotton aphids, and whiteflies. This 200g/L SL formulation is not a miracle cure for resistance; rather, it is a strategic tool to be deployed as part of a rotation program that preserves its efficacy for years to come. The product kills susceptible pest populations rapidly, but if resistance is already present, results will disappoint. Our recommendation: use this product early in the season when pest populations are low and susceptible. Follow with a different chemical class – pymetrozine, buprofezin, spinosad, or a pyrethroid – ensuring that Imidacloprid is not used more than twice per crop cycle. Growers who follow a true rotation program (no more than one Imidacloprid application per crop) report continued high efficacy after 5+ years of use. This product is for the thoughtful grower.
| Specification | 97%TC, 70%WDG, 70%WP 25%WP 10%WP 600g/l FS 35%SC, 25%SC, 20%SL, 20%SC |
| Chemical Name | 1-(6-chloro-3-pyridylmethyl)-N-nitromidazolidin-2-ylideneamine |
| Appearance | Yellow liquid |
| Molecular Formula | C9H10ClN5O2 |
| Molecular Weight | 255.66 |
| Melting Point | 136.4 - 143.8 ℃ |
| Solubility | In water at 20°C,0.51g/l. In dichloromethane 50-100, in 2-propanol 1-2, toluene 0.5-1, n-hexane<0.1(all ing/l at 20°C) |
| Stability | It has good stability in plants and soil. It is used for seed dressing and soil treatment. Its duration can reach 90 days, and the longest period can reach 120 days. |
| Toxicity | oral LD50 in rat >450mg/kg.b.w dermal LD50 in rat >5000mg/kg.b.w |
| Structural Formula |
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Products Features
Single application per crop recommended – Two applications maximum per season, never consecutive.
Breaks resistance cycles – No cross-resistance with pymetrozine, buprofezin, or spinosad.
Low rate sufficient for susceptible populations – Use 15-20 ml per mu, not the high outbreak rate, for preventive sprays.
Compatible with resistance-breaking adjuvants – Can be mixed with piperonyl butoxide (PBO) in suspected resistance zones.
Not effective against confirmed resistant populations – test before committing to large-scale use.
Products Applications
Early-season aphids in wheat: Apply 450ml per hectares when first colonizers appear. Do not wait for buildup.
Rotation with pymetrozine: Imidacloprid at tillering → pymetrozine at booting → no neonicotinoid for 60 days.
Rotation with buprofezin (rice): Imidacloprid early → buprofezin mid-season → observe 30-day gap before any neonicotinoid again.
Resistance testing protocol: Collect live adults from your field, place in ventilated container with fresh leaves, ship overnight to our lab. Results include recommended rate adjustments.
If resistance is confirmed: Switch entirely to a different group for the remainder of the season.
Record keeping: Log every application – product name, rate, date, crop stage, and efficacy rating .
Precautions
No consecutive applications: Never apply Imidacloprid twice in a row on the same field. Rotate modes.
Do not mix with other Group 4A products (e.g., clothianidin, thiamethoxam) – this does not slow resistance.
Use the lowest effective rate: For light infestations, 225 ml per hectares is sufficient. Reserve 450ml rates for confirmed susceptible populations with high pressure.
Monitor field efficacy: If you see poor control despite correct application, suspect resistance. Stop using Imidacloprid and test.
Inform your neighbors: Resistance moves across fields. Coordinate rotation programs with adjacent growers if possible.
Our Advantages
1. Good quality + factory price + quick response + reliable service is what we try our best to provide you.
2. All our products are produced by our professional workers, we have our efficient foreign trade team, you can completely trust our service.
3. We have 10+ years of manufacturing and sales experience, we cherish every order from our honor and provide you with professional services.
Products Package
100ml/bottle, 500ml/bottle, 1L/bottle, 5L/bottle, 10L/carton, 20L/carton, 20L/drum, 200L/drum, provide packaging according to your needs.
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