Teflubenzuron

  • CAS No.: 83121-18-0
  • Purity: 99%
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What is the Teflubenzuron ?

Teflubenzuron is white crystal, while it's Molecular Formula is C14H6Cl2F4N2O2. Teflubenzuron is used for the control of Lepidoptera, Coleoptera, Diptera, Aleyrodidae, Hymenoptera, Psyllidae and Hemiptera larvae on vines, pome fruit, citrus, vegetables, soyabeans, tobacco and cotton. It also controls fly and mosquito larvae and immature stages of locusts.

What is the CAS number for Teflubenzuron ?

The CAS number of Teflubenzuron is 83121-18-0.

More information of Teflubenzuron 83121-18-0 are:

Synonyms

AC291898;CME 134;CME 13406;Calicide;HOE 522;MK 139;Nomolt;Nomolt agro;OMS 3009;Tefluron;N-[(3,5-Dichloro-2,4-difluorophenyl)carbamoyl]-2,6-difluorobenzamide;1-(3,5-Dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea;

CAS?Number

83121-18-0

Molecular Formula

C14H6Cl2F4N2O2

Molecular Weight

381.113

Density

1.646 g/cm3

Melting Point

221-224°

HS CODE

2924299032

PSA

58.20000

LogP

4.97560

Pka

8.16±0.46(Predicted)

What is Teflubenzuron (83121-18-0) used for?

Teflubenzuron is a fluorobenzoylurea insect growth regulator and a chitinase inhibitor, which achieves insecticidal purposes by inhibiting the normal molting and development of larvae. It is particularly effective against lepidoptera pests and also shows good efficacy against the larvae of whitefly families, diptera, hymenoptera, and coleoptera pests. However, it is ineffective for many parasitic insects, predatory insects, and spiders.
Used in Agriculture:
Teflubenzuron is used as an insecticide for controlling a wide range of insect pests and mites in fruit, vegetable, cereal, and seed crops. It is particularly effective on lepidoptera pests and also works well for the larvae of whitefly families, diptera, hymenoptera, and coleoptera pests.
Used in Vegetables:
Teflubenzuron is used as an insecticide for controlling pests such as cabbage caterpillar and Plutella xylostella during the egg incubation period to 1 to 2 instar. A 2000 to 4000 times diluent of EC can be applied by spraying.
Used in Fruit Trees:
Teflubenzuron is used as an insecticide for controlling pests such as asparagus caterpillar and prodenia litura during the egg incubation period to 1 to 2 instar. A 1500 to 3000 times diluent of EC can be applied by spraying, especially for those resistant to organic phosphorus and pyrethroids.
Used in Cotton and Tea Bush:
Teflubenzuron is used as an insecticide for controlling pests such as cotton bollworm and pink worm during the egg incubation period of the second and third generations. A 1500 to 2000 times diluent of EC can be applied by spraying, with an elimination rate of about 85% after 10 days.
Used in Vineyards, Pome Fruit, Citrus, and Other Crops:
Teflubenzuron is used for controlling Lepidoptera, Coleoptera, Diptera, Aleyrodidae, Hymenoptera, Psyllidae, and Hemiptera larvae on vines, pome fruit, citrus, vegetables, soyabeans, tobacco, and cotton.
Used in Controlling Fly and Mosquito Larvae:
Teflubenzuron is also used for controlling fly and mosquito larvae and the immature stages of locusts.
Chemical Properties:
Pure Teflubenzuron is a white crystal with a melting point of 223-225°C (original compound 222.5°C), a saturated vapor pressure of 0.8×10^-9 Pa at 20°C, and a relative density of 1.68 at 20°C. Its solubility at 20-23°C is 66g/L in dimethyl sulfoxide, 20g/L in cyclohexanone, 10g/L in acetone, 1.4g/L in ethanol, 850mg/L in methylbenzene, 50mg/L in hexane, and 0.02mg/L in water. It is stable at room temperature, with a hydrolysis half-life period of 5 days at pH=7 and 4 hours at pH=9 at 50°C, and 2-6 weeks in soil.

InChI:InChI=1/C14H6Cl2F4N2O2/c15-5-4-8(12(20)10(16)11(5)19)21-14(24)22-13(23)9-6(17)2-1-3-7(9)18/h1-4H,(H2,21,22,23,24)

Articles related to Teflubenzuron:

Article

Source

Synthesis method of insecticide teflubenzuron and intermediate 2,6-difluorobenzamide of insecticide teflubenzuron

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Paragraph 0056; 0062; 0064; 0070; 0072; 0078, (2020/12/10)

Method for the preparation of insecticidal benzoylurea compounds

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, (2008/06/13)

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