beta-cypermethrin
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Post Date:
Dec 03,2016
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Expiry Date:
Jan 02,2017
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Detailed Description:
Cas No. :65731-84-2
Quantity: 100
Specs:beta-cypermethrin95%TC,2.55ec
Price:00.00 USD Metric Tons
PHYSICAL CHEMISTRY
Composition A mixture consisting
of two enantiomeric pairs in
ratio 2:3: (S) (1R)-cis and (R)
(1S)-cis with (S) (1R)-trans and
(R) (1S)-trans. Tech. grade beta-
cypermethrin contains ≥95%
(normally >97%) relevant
stereoisomers.
Mol. wt. 416.3 M.f. C22H19Cl2NO3
Form Tech. forms colourless or
pale yellow crystals. M.p. 63.1-
69.2 癈 (varies with even a
small - 1% - change in isomer
ratio) B.p. 286.10.06 癈/97.4
kPa V.p. 1.8 10-4 mPa (20 癈)
Kow logP = 4.70.04 S.g./density
1.3360.0050 (20 癈) Solubility
In water 51.5 (5 癈), 93.4 (25
C), 276.0 (35 癈) (all in μg/l,
pH 7). In isopropanol 11.5,
xylene 349.8, dichloromethane
3878, acetone 2102, ethyl acetate
1427, petroleum ether 13.1 (all
in mg/ml, 20 癈). Stability
Stable to 150 癈; to air and
sunlight; in neutral and slightly
acidic media. Epimerised in
presence of base, hydrolysed in
strongly alkaline media. DT50
(extrapolated) 50 d (pH 3, 5, 6),
40 d (pH 7), 20 d (pH 8), 15 d
(pH 9) (all at 25 癈).
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CAS Registry Number:
65731-84-2
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Synonyms:
;Cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;beta-Cypermethrin;Cyano-3-phenoxybenzyl-2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate;(+/-)-alpha-cyano-3-phenoxybenzyl (+/-)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropane carboxylate;3-(2,2-Dichloroethenyl)-2,2-dimethylcyclopropanecarboxylic acid cyano(3-phenoxyphenyl)methyl ester;Fendona;Flectron;FMC 30980;Folcord;Imperator;KafilSuper;Kefil Super;NRDC 149;Polytrin;PP 383;Ripcord;(RS)-alpha-Cyano-3-Phenoxybenzyl (1RS)-cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate;Siperin;Supermethrin;Ustaad;zeta-cypermethrin;Alpha-cyano-3-phenoxy-benzyl 3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate;alpha-Cyano(3-phenoxyphenyl)methyl (+-)cis,trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate;Agrothrin;Ammo;Arrivo;Barricade;CCN52;Chinmix;Cyano-3-phenoxybenzyl 2,2-dimethyl-3-(2,2-dichlorovinyl)cyclopropanecarboxylate;Cyano(3-phenoxyphenyl)methyl (+/-)-cis/trans-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;Cymbush;Cymbush 2E;Cymbush 3E;Cymperator;Cynoff;Cypercare;Cypercopal;Cyperkill;Cypermar;(RS)-a-cyano-3-phenoxybenzyl(1RS,3RS;95% cypermethrin TC;(RS)-a-cyano-3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate;(RS)-a-cyano-3-phenoxybenzyl (1RS)-cis-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate;(1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;Cyano-3-phenoxybenzyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;pyrethroid;Cypermethrin;Beta-Cypermethrine;(S)-cyano(3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;cyano(3-phenoxyphenyl)methyl (1R,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;[(S)-cyano-(3-phenoxyphenyl)methyl] (1R,3S)-3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropanecarboxylate; [(R)-cyano-(3-phenoxyphenyl)methyl] (1S,3R)-3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropanecarboxylate;Cypermethrin High Effect;Theta-cypermethrin;Beta Cypermethrin;
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Molecular Formula:
C44H38Cl4N2O6
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Molecular Weight:
832.5943
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Molecular Structure:
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