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Taizhou Volsen Chemical Co., Ltd.
HomeProductsPheromoneInsect Sex PheromoneGrapholitha Molesta Sex Pheromone 40642-40-8
Grapholitha Molesta Sex Pheromone  40642-40-8
  • Grapholitha Molesta Sex Pheromone  40642-40-8

Grapholitha Molesta Sex Pheromone 40642-40-8

    Payment Type: L/C,T/T,D/P
    Incoterm: FOB,CIF

Basic Info

Model No.:  40642-40-8

Additional Info

Transportation: Ocean,Air

Place of Origin: CHINA

Product Description

Grapholitha Molesta Sex pheromone CAS number is 40642-40-8. it also called Z-8-Dodecen-1-ol, A large number of field experiments have shown that the sex Pheromone of Grapholitha molesta has a killing effect on more than 10 pests such as Grapholitha molesta, And in many regions, sexual attractants with a Z / E molar ratio of 2: 1 attract Grapholitha molesta. It has the strongest attracting ability, and it is an economical, scientific and pollution-free control method to use it to attract and control the pear worm. Pear-eating beetle belongs to the family Lepidoptera and is a family of pests of the fruit tree, also known as the pear borer moth, the oriental fruit moth, referred to as pear small, which mainly harms pear, apple, peach, hawthorn, apricot, cherry Waiting for the fruit tree. In the 1960s, the main components of sexual pheromones identified in the pear worm, Z-8-dodecen-1-ol acetate, E-8-dodecen-1-ol acetate, and Z-8 -A mixture of dodecen-1-ols. After that, the synthesis, biological activity and application of sex pheromone of Grapholitha molesta have become hot research topics.
The synthesis of the Grapholitha molesta sex pheromone CAS 40642-40-8 is as following:
(1) Using 1,8-octanediol as a raw material, 8-bromooctanol is prepared through a unilateral bromination reaction;
(2) 8-bromooctanol is reacted with triphenylphosphine to obtain 8-hydroxyoctyltriphenylphosphine salt;
(3) 8-hydroxyoctyl triphenylphosphine salt reacts with n-butyraldehyde under the action of a base to obtain (Z / E) -8-dodecen-1-ol;
(4) (Z / E) -8-dodecen-1-ol is acetylated under the action of pyridine and acetic anhydride to obtain the target product Z-8-Dodecen-1-ol CAS 40642-40-8.


Thera. Category: Insect Sex pheromone

Cas No.: 40642-40-8

Synonym:TRANS-12-TETRADECADIENYL ACETATE;[Z,E]-9,12-TDDA;Z,E-9,12-TETRADECADIEN-1-YL ACETATE;(trans,cis)-9,12-Tetradecadien-1-yl-acetate;acetate,( 57562221, 57562199,z,e)-12-tetradecadien-1-ol;

40642-40-8

Molecular Formula: C12H24O

Molecular Weight:184.32

Assay: ≥99.%

Packing: Export worthy packing

lMaterial Safety Data Sheet: Available on request


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Product Categories : Pheromone > Insect Sex Pheromone

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