Teflubenzuron suppliers

Teflubenzuron

CAS:: 83121-18-0

MF:: C14H6Cl2F4N2O2

MW:: 381.11

SecurityInformation

Symbol(GHS) ：: GHS08,GHS09

Signal word ：: Warning

Hazard statements ：: H373-H410

Precautionary statements ：: P260-P273-P314-P391-P501

RIDADR ：: 3077

WGK Germany ：: 2

RTECS ：: CV3459590

HazardClass ：: 9

PackingGroup ：: III

Toxicity：: LD50 orally in rats: >5000 mg/kg (Becher)

Use：: Method 1 The addition reaction of 2,6-Difluorobenzamide and 2,4-difluoro-3,5-dichlorophenyl isocyanate Method 2 preparation of 2,4-Difluoro-3,5-dichlorophenylamine 2,3,4,5-tetrachloronitrobenzene and Potassium fluoride react in DMF solvent at 140℃ for 15h to obtain 2,4-Difluoro-3,5-dichloronitrobenzene，which is then reduced to 2,4-Difluoro-3,5-dichlorophenylamine Preparation of Teflubenzuron As for the preparation of 2,6-difluorobenzoyl isocyanate, see details in the preparation of Teflubenzuron. 2,6-difluorobenzoyl isocyanate and 2,4-Difluoro-3,5-dichlorophenylamine react at room temperature for 15h to obtain Teflubenzuron As for the nitrification, chlorination, reduction, fluorization and condensation of 1,2,4-Trichlorobenzene to prepare Teflubenzuron, see details in bibliography.

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Henan Fengda Chemical Co., Ltd