isopropyl (2Z,4E)-11-methoxy-3,7,11-trimethyl-dodeca-2,4-dienoate
Methoprene
CAS: 40596-69-8
Molecular Formula: C19H34O3
isopropyl (2Z,4E)-11-methoxy-3,7,11-trimethyl-dodeca-2,4-dienoate - Names and Identifiers
| Name | Methoprene |
| Synonyms | apex manta minex kabat ZR-515 diacon dianex PRECOR pharoid oms1697 altosid ent70460 altosidigr ALTOSID(R) Methoprene METHOPRENE altosidsr10 METHOPRENE (TM) ISOPROPYL (2E,4E)-11-METHOXY-3,7,11-TRIMETHYL-2,4-DODECADIENOATE isopropyl (2Z,4E)-11-methoxy-3,7,11-trimethyl-dodeca-2,4-dienoate 1-methylethyl (2E,4E)-11-methoxy-3,7,11-trimethyldodeca-2,4-dienoate 11-METHOXY-3,7,11-TRIMETHYL-2E,4E-DODECADIENOIC ACID, ISOPROPYL ESTER 2,4-dodecadienoicacid,11-methoxy-3,7,11-trimethyl-,1-methylethylester,(e,e |
| CAS | 40596-69-8 |
| EINECS | 254-993-2 |
| InChI | InChI=1/C19H34O3/c1-15(2)22-18(20)14-17(4)11-8-10-16(3)12-9-13-19(5,6)21-7/h8,11,14-16H,9-10,12-13H2,1-7H3/b11-8+,17-14- |
| InChIKey | NFGXHKASABOEEW-LDRANXPESA-N |
isopropyl (2Z,4E)-11-methoxy-3,7,11-trimethyl-dodeca-2,4-dienoate - Physico-chemical Properties
| Molecular Formula | C19H34O3 |
| Molar Mass | 310.47 |
| Density | 0.9261 g/cm3 (20℃) |
| Melting Point | <25℃ |
| Boling Point | bp0.06 135-136° |
| Flash Point | 162.4°C |
| Water Solubility | 1.4 mg l-1 (room temperature) |
| Vapor Presure | 3.15 x l0-3 Pa (25 °C) |
| Appearance | neat |
| BRN | 1913191 |
| Storage Condition | 0-6°C |
| Refractive Index | 1.4200 (estimate) |
| Use | Pollution-free new pesticides for the control of tobacco storage pests such as powder borer and beetle |
isopropyl (2Z,4E)-11-methoxy-3,7,11-trimethyl-dodeca-2,4-dienoate - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. |
| UN IDs | UN3082 9/PG 3 |
| WGK Germany | 2 |
| RTECS | JR1685000 |
| Toxicity | LD50 orally in rats: >34500 mg/kg (Siddall) |
isopropyl (2Z,4E)-11-methoxy-3,7,11-trimethyl-dodeca-2,4-dienoate - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Insect juvenile hormone | Enworm ester is an insect juvenile hormone biochemical insecticide developed by Novartis, Switzerland. Insect juvenile hormone can regulate its own growth and development and insect hormone of metamorphosis process. The main function of juvenile hormone is to inhibit the metamorphosis of unaged larvae and maintain the characteristics of insect juvenile, it is still a larva after molting. As a protective agent for tobacco leaves, enenworm ester interferes with the peeling process of insects. It can interfere with the growth and development process of tobacco beetles and tobacco powder borers, make adults lose their reproductive ability, and effectively control the population growth of stored tobacco leaf pests. |
| toxicity | acute oral LD50 >34 600 mg/kg body weight in original drug rats. The preparation has a stimulating effect on the eyes. It is a low-toxic pesticide. |
| application | insect juvenile hormone cannot directly kill insects, but can only cause insects to die from metamorphosis, or reduce the population of offspring through sterility or non-hatching of eggs. therefore, the effect is slow and the harm of fulminant pests cannot be quickly controlled, thus limiting the application in agriculture. At present, it is mainly used in the following aspects: prevention and control of sanitary pests. Ethyl ethylenworm has high activity against German cockroach and can make female and male adults sterile. Continuous treatment with this medicine can make it extinct due to infertility after half a year to a year, and it is also effective for large cockroaches. It is also very effective to prevent fleas, mosquitoes and flies. Control of Hemiptera pests. Enicyne is effective against greenhouse aphids and whiteflies and has been registered in the United States. But the stability of the application in the field is not good. Dioxacyl is effective against greenhouse whiteflies and scale insects. Control of storage pests. Pseudo-juvenile hormones have high activity against lepidopteran pests during storage, such as grains, flour, and tobacco. The United States has tested alkenyl and dioxycarb for many storage pests. Control ants. Enworm ester bait can prevent the normal metamorphosis of the harmful larvae, make the ant king sterile, and prevent kitchen ants. There is also a report on the treatment of termites with juvenile hormone. Increase silk production. Spraying juvenile hormones or quasi-juvenile hormones such as antijuvenile on the silkworm (2~4 micrograms/head) or spraying on the 5th instar silkworm (1~3 micrograms/head) can inhibit metamorphosis and make the 5th instar larval period Extend by more than one day, increase food intake, increase individuals, and increase silking. Generally, the amount of ten thousand cocoons can be increased by about 15%. The mechanism of action of insect juvenile hormone is different from other insecticides. It can prevent and control pests that are resistant to other insecticides, but attention should also be paid to the production and development of juvenile hormone resistance. There have been reports in this regard. |
| usage | store tobacco leaves to control tobacco beetles, and spray 40000 times of 41% soluble powder directly on tobacco leaves. In order to ensure uniform spray and complete coverage of tobacco leaves, quantitative dilution or special multi-directional ultra-low volume spray equipment can be used. Different growth and development stages of insects have different sensitivity to juvenile hormones. Larvae or nymphs are the most sensitive at the last age, while other instars are less sensitive. The 4th instar larvae of Aedes aegypti were 100 times more sensitive to alkenyl than the 3rd instar larvae. Pupal stage is more sensitive. During the growth and development of insects, select an appropriate time and treat with exogenous juvenile hormones to destroy the normal hormone balance in the insect body, causing abnormal metamorphosis, adult infertility or eggs cannot hatch, so as to achieve control and The purpose of eliminating pests. The last instar larvae of mosquitoes and flies treated with enworm ester can pupate normally, but cannot emerge normally, or die, or they may have incomplete wings and cannot fly. The IC50 alkenyl ester for Culex pipipiens larvae is 0.48 micrograms/liter, and the ID50 alkenyl ester for the pupae of the large wax borer is 2.2 micrograms per pupa. |
| precautions | 1. this agent has strong flammability. it is strictly prohibited to use this product directly without dilution. keep it away from the fire source and the surface of high-heat objects and keep it sealed. 2. This product has irritating effect on eyes and should be sprayed with caution. |
| References | Wang Yunbing, editor-in-chief of Lu Yinpu. Practical manual on pollution-free pesticides. Zhengzhou: Henan Science and Technology Press. 2004. China Agricultural Encyclopedia Editor-in-Chief Committee Pesticide Volume Editor-in-Chief Committee, China Agricultural Encyclopedia Editorial Department Editor. |
| use | pollution-free new pesticide, used to control tobacco storage pests, powder borers and beetles, etc |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 19:05:12
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