|
|
Build Your Online Product Catalogs?
| Product Name: |
Cyfluthrin Supplier
|
| Supply Ability: |
|
| Related proudcts |
|
| Specifications |
CAS No. 68359-37-5 |
| Price Term: |
|
| Port of loading: |
|
| Minimum Order |
|
| Unit Price: |
|
|
Product Name Cyfluthrin
CAS No. 68359-37-5
Categories Insecticides
NOMENCLATURE
Common name: cyfluthrin; cyfluthrine
IUPAC name: (RS)-a-cyano-4-fluoro-3-phenoxybenzyl (1RS,3RS;1RS,3SR)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
Roth: (RS)-a-cyano-4-fluoro-3-phenoxybenzyl (1RS)-cis-trans-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
Chemical Abstracts name: cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate (unstated stereochemistry)
PHYSICAL CHEMISTRY
Composition: Comprises a mixture of four diastereoisomeric pairs of enantiomers:
I (R)-a-cyano-4-fluoro-3-phenoxybenzyl (1R)-cis-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate + (S)-a, (1S)-cis-;
II (S)-a, (1R)-cis- + (R)-a, (1S)-cis-;
III (R)-a, (1R)-trans- + (S)-a, (1S)-trans-;
IV (S)-a, (1R)-trans- + (R)-a, (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) 64C; (II) 81C; (III) 65C; (IV) 106C; tech., c. 60C.
V.p.: (I) 9.6x 10-4; (II) 1.4x 10-5; (III) 2.1x10-5; (IV) 8.5x10-5 (all in ***, 20C).
KOW: logP: (I) 6.0; (II) 5.9; (III) 6.0; (IV) 5.9 (all 20C).
Henry: (I) 1.9x10-1; (II) 2.9x10-3; (III) 4.2x10-3; (IV) 1.3x10-2 (all in Pa m3 mol-1, 20C).
S.g./density: 1.28 (20C).
Solubility: Diastereoisomer I: In water 2.5 (pH 3), 2.2 (pH 7) (both in g/l, 20C). In dichloromethane, toluene >200, n-hexane 10-20, isopropanol 20-50 (all in g/l, 20C). Diastereoisomer II: In water 2.1 (pH 3), 1.9 (pH 7) (both in g/l, 20C). In dichloromethane, toluene >200, n-hexane 10-20, isopropanol 5-10 (all in g/l, 20C). Diastereoisomer III: In water 3.2 (pH 3), 2.2 (pH 7) (both in g/l, 20C). In dichloromethane, toluene >200, n-hexane, isopropanol 10-20 (all in g/l, 20C). Diastereoisomer
IV: In water 4.3 (pH 3), 2.9 (pH 7) (both in g/l, 20C) |
| Company: |
Shanghai Kima Chemical Co., Ltd
|
| Contact: |
Ms. sandy grance |
| Address: |
Rm 2219, 22F, Zhongyi Mansion, No. 2, Lane 1040, Caoyang Road, Shanghai, China |
| Postcode: |
200063 |
| Tel: |
0086-21-52661975 |
| Fax: |
0086-21-52661949 |
| E-mail: |
|
|
|
|
Home
