Clethodim suppliers

Clethodim

CAS:: 99129-21-2

MF:: C17H26ClNO3S

MW:: 359.91

SecurityInformation

Symbol(GHS) ：: GHS07

Signal word ：: Warning

Hazard statements ：: H302-H317

Precautionary statements ：: P261-P264-P270-P280-P301+P312-P302+P352

Safety Statements ：: 22-24/25

RIDADR ：: UN3082 (environmentally haz- ardous substances, liquid, n. o. s.)

WGK Germany ：: 3

HS Code ：: 29309090

Toxicity：: LD50 in male, female rats (mg/kg): 1630, 1360 orally; LC50 in trout: 56 mg/l; 8 day feeding in quail: > 6000 ppm (Kincade)

Use：: 5-alkylcyclohexanedione-3-carboxylate is produced by the condensation and cyclization of the corresponding ketene and diethyl malonatein the presence of sodium hydroxide, then compound(Ⅰ) is obtained by hydrolysis and decarboxylation, followed by its reaction with propionyl chloride to form 3-propionyloxy-5-alkylcyclohexenone which is soluble in methylene chloride . then has isomerization reaction in the presence of aluminum trichloride and finally reacts with H2NOCH2CH = CHCl to produce,clethodim. The response equation is as follows:

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