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cyhalothrin

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Origin: China

Cas No: 68085-85-8

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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CAS No.: 68085-85-8 Formula: C23H19ClF3NO3 Molecular Weight: 449.85000

Description

Cyhalothrin is an organic compound that is used as a pesticide. It is a pyrethroid, a class of man-made insecticides that mimic the structure and insecticidal properties of the naturally-occurring insecticide pyrethrum which comes from the flowers of chrysanthemums. Synthetic pyrethroids, like lambda-cyhalothrin, are often preferred as an active ingredient in insecticides because they remain effective for longer periods of time. It is a colorless solid, although samples can appear beige, with a mild odor. It has a low water solubility and is nonvolatile. It is used to control insects in cotton crops.

Basic Info

Chemical Name	cyhalothrin
Synonyms	(RS)-α-cyano-3-phenoxybenzyl (1RS)-cis-3-[(Z)-2-chloro-3,3,3-trifluoropropenyl]-2,2-dimethylcyclopropanecarboxylate; rac-(Ξ)-cyano(3-phenoxyphenyl)methyl (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropane-1-carboxylate; (RS)-α-cyano-3-phenoxybenzyl (1RS,3RS)-3-[(Z)-2-chloro-3,3,3-trifluoropropenyl]-2,2-dimethylcyclopropanecarboxylate; cyano(3-phenoxyphenyl)methyl (1R,3R)-rel-3-[(1Z)-2-chloro-3,3,3-trifluoro-1-propen-1-yl]-2,2-dimethylcyclopropanecarboxylate; Cyhalothrin;
CAS No.	68085-85-8
Molecular Formula	C23H19ClF3NO3
Molecular Weight	449.85000
PSA	59.32000
LogP	6.54398

Properties

Appearance & Physical State	Colorless solid
Density	1.344g/cm3
Boiling Point	498.9ºC at 760 mmHg
Melting Point	49.2ºC
Flash Point	2ºC
Refractive Index	1.574
Storage Condition	2-8ºC

Safety Info

Hazard Class	6.1(b)
Safety Statements	S26; S36/37
HS Code	2926909010
Packing Group	III
RIDADR	UN 2902
Risk Statements	R11
Hazard Codes	F; Xn

Synthesis Route

cis-((Z)-2-chloro-3,3,3-trifluoro-prop-1-enyl)-2,2-dimethylcyclopropane acyl chloride+3-PHENOXYBENZALDEHYDE CYANOHYDRIN, 70 WT% SOLUTION IN ETHER→cyhalothrin
cis-((Z)-2-chloro-3,3,3-trifluoro-prop-1-enyl)-2,2-dimethylcyclopropane acyl chloride+N,N,N',N'-TETRAMETHYL-1,4-BUTANEDIAMINE→cyhalothrin

Precursor

3-PHENOXYBENZALDEHYDE CYANOHYDRIN, 70 WT% SOLUTION IN ETHER
N,N,N',N'-TETRAMETHYL-1,4-BUTANEDIAMINE
3-Phenoxy-benzaldehyde
cis-((Z)-2-chloro-3,3,3-trifluoro-prop-1-enyl)-2,2-dimethylcyclopropane acyl chloride

Downstream Product

3-PHENOXYBENZALDEHYDE CYANOHYDRIN, 70 WT% SOLUTION IN ETHER
3-(2-chloro-3,3,3-trifluoroprop-1-en-1-yl)-2,2-dimethylcyclopropanecarboxylic acid

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