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Lambda-cyhalothrin

Chemical: Lambda-cyhalothrin
Use category: Insecticide
Content & formulation: Lambda-cyhalothrin 95% TC ,Lambda-cyhalothrin 10% EC , Lambda-cyhalothrin 5% EC,Lambda-cyhalothrin 2.5% EC

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Description
Specification
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Common name lambda-cyhalothrin (BSI, draft E-ISO); lambda-cyhalothrine ((f) draft F-ISO)

IUPAC name A reaction product comprising equal quantities of (S)-a-cyano-3-phenoxybenzyl (Z)-(1R,3R)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate and (R)-a-cyano-3-phenoxybenzyl (Z)-(1S,3S)-3-(2-chloro-3,3,3-trifluoroprop-1-enyl)-2,2-dimethylcyclopropanecarboxylate

Roth: (S)-a-cyano-3-phenoxybenzyl (Z)-(1R)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate and (R)-a-cyano-3-phenoxybenzyl (Z)-(1S)-cis-3-(2-chloro-3,3,3-trifluoropropenyl)-2,2-dimethylcyclopropanecarboxylate (1:1)

Chemical Abstracts name [1a(S*),3a(Z)]-(?-cyano(3-phenoxyphenyl)methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate

CAS RN [91465-08-6]

Composition Tech. grade is c. 81% pure.

Mol. wt. 449.9

M.f. C23H19ClF3NO3

Form Colourless solid; (tech. is a dark brown/green solidified melt).

M.p. 49.2 篊; (tech., 47.5-48.5 篊)

B.p. Does not boil at atmospheric pressure

V.p. 2 ´ 10-4 mPa (20 篊, est.); 2 ´ 10-1 mPa (60 篊, interpolated)

KOW logP = 7 (20 篊)

Henry 2 ´ 10-2 Pa m3 mol-1

S.g./density 1.33 g/ml (25 篊)

Solubility In water 0.005 mg/l (20 癈). In acetone, methanol, toluene, hexane, ethyl acetate >500 g/l.

Uses Insecticide

Specification for Lambda-cyhalothrin 95% TC
ITEMS	STANDARDS
Appearance	Whiteto light brown powder
Content of a.i.	≥95%
Acetoninsolubles	≤0.5%
Water	≤0.5%
Acidity(as H₂SO₄)	≤0.3%
Specification for Lambda-cyhalothrin 10% EC
ITEMS	STANDARDS
Appearance	Homogeneous,light yellowliquid
Content of a.i.	≥10%
pH	4~8
Water	≤0.8%
Emulsion stability (as 0.5% aqueous solution)	Qualified
Stability at 0℃	The volume of solid and/or liquid which separates shall not be more than 0.3 ml
Specification for Lambda-cyhalothrin 5% EC
ITEMS	STANDARDS
Appearance	Homogeneous,light yellowliquid
Content of a.i.	≥5%
pH	4~7
Water	≤0.8%
Emulsion stability (as 0.5% aqueous solution)	Qualified
Stability at 0℃	The volume of solid and/or liquid which separates shall not be more than 0.3 ml
Specification for Lambda-cyhalothrin 2.5% EC
ITEMS	STANDARDS
Appearance	Homogeneous,light yellowliquid
Content of a.i.	≥2.5%
pH	4~7
Water	≤0.8%
Emulsion stability (as 0.5% aqueous solution)	Qualified
Stability at 0℃	The volume of solid and/or liquid which separates shall not be more than 0.3 ml

Packaging :

Liquid: 200L, 20L/Drum, 1L, 500mL/bottle or according to the client's requirements.
Solid: 25kg/fiber drum, 25kg/bag, 1kg, 500g/aluminium foil bag or according to the client's requirements.

Shipping: According to order's quantity