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About UsHebei Derui Chemical Co., Ltd. (hereinafter referred to as Derui Chemical) was established in January 2006 with a registered capital of RMB 51.8 million. The company specializes in the production and sale of agrochemicals, with key products including thiamethoxam technical grade, imidacloprid technical grade, spirotetramat technical grade, and related formulated products. Derui Chemical is located in the Eastern Zone of the Shijiazhuang Economic and Technological Development Zone, Hebei Province (No. 1, No. 1, New District Road No. 1, Gaocheng District). It is a nationally designated pesticide manufacturer and has been recognized as an A‑level enterprise among industrial research and development institutions in Hebei Province. The company serves as a vice‑presidential unit of the Hebei Pesticide Industry Association, an executive director unit of the Hebei Pesticide Development and Application Association, and a deputy chairperson unit of the Fertilizer‑Pesticide Professional Committee of the China Pesticide Industry Association.
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Product CenterThe company is committed to building and continuously improving its management systems, and in 2020 it obtained certifications under GB/T 19001-2016/ISO 9001:2015, GB/T 24001-2016/ISO 14001:2015, and GB/T 45001-2020/ISO 45001:2018. Derui Chemical has consistently upheld the corporate mission of “pursuing green development and serving global agriculture,” while adhering to the core values of “integrity, innovation, pragmatism, and gratitude.” The company is eager to collaborate with its partners to contribute to the advancement of world agriculture.
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No. 1, No. 1, New District Road No. 1, Gaocheng District, Shijiazhuang City, Hebei Province
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Spirodiclofen technical grade
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- Product Description
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Spirodiclofen exhibits strong acaricidal activity against mite eggs, larval mites, and nymphs.
Detailed specifications ：
[Chemical Name] 3-(2,4-Dichlorophenyl)-2-oxo-1-oxaspiro[4.5]dec-3-en-4-yl 2,2-dimethylbutyl ester [C A S Number] 148477-71-8 [Pesticide Category] Acaricide [Chemical Classification] Ketoacid compounds [Molecular Weight] 411.32 [Molecular Formula] C 21 H 24 C l2 O 4 [Physicochemical Properties] Melting point: 94.8°C Density: 1.29 g/cm³ at 20°C 3 Vapor pressure: at 20°C, vapor pressure is 3×10⁻⁷ Pa. Solubility: (substance/1000 mL solvent, 20°C): 20 in n-hexane, >250 in dichloromethane, 47 in isopropanol, >250 in xylene, and 0.05 in water. Toxicity: In rats, the acute oral LD50 is >2,500 mg/kg, and the acute dermal LD50 is >4,000 mg/kg; in ocean sunfish, the LC50 is >0.0455 mg/L; in rainbow trout, the LC50 is >0.0351 mg/L; and in Daphnia, the LC50 is >100 mg/L. For honeybees, the LD50 is >100 μg per bee; for North American quail, the LD50 is >2,000 mg/kg. [Quality Standards] Appearance: White or off-white solid Content: ≥98% Drying loss: ≤0.5%
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