Guiyang Bestchem Co.,Ltd

intermediate(4)
pyrethroid(5)

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2,3,5,6-tetrafluoro-1,4-benzenedimethanol
Specification: 95%
Detail: CAS NO.: 92339-07-6 Molecular formula: C8H6F4O2 Molecular weight: 210.13 Content: ¡Ý96% Appearance: faint yellow crystal Density: 1.569g/cm3 Boiling point: 256¡ãC at 760 mmHg Flashing point: 108.6¡ãC V...

2,3,5,6-tetraflorobenzyl alchol
Specification: 99%
Detail: CAS NO.: 4084-38-2 Appearance: white solid or colorless tran***rent liquid Melting point: 32-38ºC Boiling point: 178.2¡ãC at 760 mmHg Flashing point: 62ºC Density:1.499g/cm3 Vapor pressure: 0.657mm...

heptafluthrin
Specification: 92%
Detail: Description Yellow liquid with peculiar smell, Concentration>92%,Insoluble in water, soluble in most of organic solvents like Is ethane, toluene, chloroform, Isopropyl ether, acetone, methanol; In most oil-based or wat...

tetramethrin
Specification: 95%
Detail: CAS number: 7696-12-0 Appearance: White crystalline powder Melting point: 65-70¡æ Boiling point: 185-190¡æ/13.3Pa Vapor pressure: 0.0021 Pa (25¡æ)

permethrin
Specification: 93%
Detail: CAS number.: 52645-53-1 Appearance: yellow-brown to brown liquid M.p. 34-35 ºC; cis- isomers 63-65 ºC; trans- 44-47 ºC B.p. 200 ºC/0.1 mmHg; >290 ºC/760 mmHg V.p. cis- 0.0025 ***; trans- 0.0015 *...

1r-trans permethric acid
Specification: 98%
Detail: CAS NO.: 55701-03-6 Appearance: white or faint yellow crystals Boiling point: 290.6¡ãC at 760 mmHg Vapor pressure: 0.000512mmHg at 25¡ãC

chrysanthemic acid
Specification: 98%
Detail: CAS NO.: 10453-89-1 Molecular formula: C10H1602 Molecular weight: 168.23 Appearance: white powdery and acicular crystals Data of structure: 1.molar refractivity:49.48 2.molar volume:(m3/mol):156.0 3.parach...

piperonyl butoxide
Specification: 95%
Detail: Description: Product name: Piperonyl Butoxide(PBO) Chemical name: 3,4-methylenedioxy-6-propylbenzyl-n-butyl diethyleneglycolether Chemical family: Aromatic cyclic acetals CAS number: 51-03-6 Molecular formula: C19H30O5 M...

transfluthrin
Specification: 94%
Detail: Product name: Transfluthrin Chemical name: 2,3,5,6-tetrafluorobenzyl(1R)-trans-3-(2,2-dichlorovinyl)-2,2-dimethyl cyclopropanecarboxylate Chemical family: Synthetic Pyrethroids CAS number: 118712-89-3 Molecular formula: C1...


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