Cyfluthrin
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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. :68359-37-5
Quantity: 100
Specs:Cyfluthrin92%TC,5%ec
Price:00.00 USD Metric Tons
PHYSICAL CHEMISTRY
Composition Comprises a mixture
of four diastereoisomeric pairs
of enantiomers:
I (R)-α-cyano-4-fluoro-3-
phenoxybenzyl (1R)-cis-3-(2,2-
dichlorovinyl)-2,2-
dimethylcyclopropanecarboxylate +
(S)-α, (1S)-cis-;
II (S)-α, (1R)-cis- + (R)-α, (1S)-
cis-;
III (R)-α, (1R)-trans- + (S)-α,
(1S)-trans-;
IV (S)-α, (1R)-trans- + (R)-α,
(1S)-trans-.
Tech. grade contains: 23-27%
diastereoisomer I, 17-21%
diastereoisomer II, 32-36%
diastereoisomer III, and 21-25%
diastereoisomer IV.
Mol. wt. 434.3 M.f. C22H18Cl2FNO3
Form Colourless crystals; (tech.
is a brown, oily, viscous mass,
with crystalline parts). M.p. (I)
64 癈; (II) 81 癈; (III) 65 癈;
(IV) 106 癈; (tech., c. 60 癈)
B.p. decomp. >220 癈 V.p. (I) 9.6
10-4; (II) 1.4 10-5; (III)
2.1 10-5; (IV) 8.5 10-5 (all
in mPa, 20 癈) Kow logP: (I) 6.0;
(II) 5.9; (III) 6.0; (IV) 5.9
(all 20 癈) Henry (I) 1.9 10-1;
(II) 3.2 10-3; (III) 4.2 10-
3; (IV) 1.3 10-2 (all in Pa m3
mol-1, 20 癈) S.g./density 1.28
(20 癈) Solubility
Diastereoisomer I: In water 2.5
(pH 3), 2.2 (pH 7) (both in μg/l,
20 癈). In dichloromethane,
toluene >200, n-hexane 10-20,
isopropanol 20-50 (all in g/l, 20
癈). Diastereoisomer II: In water
2.1 (pH 3), 1.9 (pH 7) (both in
μg/l, 20 癈). In dichloromethane,
toluene >200, n-hexane 10-20,
isopropanol 5-10 (all in g/l, 20
C). Diastereoisomer III: In water
3.2 (pH 3), 2.2 (pH 7) (both in
μg/l, 20 癈). In dichloromethane,
toluene >200, n-hexane,
isopropanol 10-20 (all in g/l, 20
癈). Diastereoisomer IV: In water
4.3 (pH 3), 2.9 (pH 7) (both in
μg/l, 20 癈). In dichloromethane
>200, toluene 100-200, n-hexane 1-
2, isopropanol 2-5 (all in g/l,
20 癈). Stability Thermally
stable at room temperature. In
water, DT50 for diastereoisomer
I: 36, 17, 7; II: 117, 20, 6;
III: 30, 11, 3; IV: 25, 11, 5
(all in days, pH 4, 7, 9,
respectively, 22 癈). F.p. 107 癈
(tech.)
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CAS Registry Number:
68359-37-5
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Synonyms:
;β-Cyfluthrin;BAY-FCR 1272;Baythroid;Baythroid 2;Baythroid H;BAY-V1 1704;Bulldock;Cyfoxylate;Eulan SP;FCR 1272;FCR 4545;cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;β-Cyfluthrin suspension;beta-cyfluthrin TC;(RS)-a-cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS;[(R)-cyano-[4-fluoro-3-(phenoxy)phenyl]methyl] (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate;cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate (unstated stereochemistry);(R)-cyano(4-fluoro-3-phenoxyphenyl)methyl (1R,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate;);(r,s)-alpha-cyano-4-fluoro-3-phenoxybenzyl-(1r,s)-cis,trans-3-(2,2-dichlorovin;(rs)-alpha-cyano-4-fluoro-3-phenoxybenzyl(1rs,3rs:1rs,3sr)-3-(2,2-dichloro;2-(2,2-dichlorovinyl)-3,3-dimethyl-cyclopropanecarboxylicaciesterwith(4;2-(2,2-dichlorovinyl)-3,3-dimethyl-cyclopropanecarboxylicaciesterwith(4-fluoro-3-phenoxyphenyl)hydroxyacetonitrile;Cyfluthrin DP;Beta-cyfluthrin DP;Cyfluthrin;
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Molecular Formula:
C22H18Cl2FNO3
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Molecular Weight:
434.2876
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Molecular Structure:
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Hazard Symbols:
T:Toxic;
N:Dangerous for the environment;
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Risk Codes:
R26/28:;
R50/53:;
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Safety Description:
S1/2:;
S36/37/39:;
S45:;
S60:;
S61:;
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