| CAS No.: | 51-03-6 |
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| Formula: | C19h30o5 |
| EINECS: | 200-076-7 |
| Appearance: | Liquid |
| Source: | Organic Synthesis |
| Toxicity of High and Low: | Low Toxicity of Reagents |
| Samples: |
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| Customization: |
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Audited Supplier | Product name | Piperonyl Butoxide |
| Content | 95%TC |
| Appearance | Slightly yellowish liquid |
| Standard | Relative Density 1.0400-1.0700 REF Index 1.4850-1.5100 Water Content <=0.2% Acidity <=0.15% |
| Use | Broad spectrum synergist. It can enhance the insecticidal activity of pyrethrins, various pyrethroids, rotenone and carbamate insecticides. |
PBO is syntheses material intermediate and is widely used in agriculture, family health and storage protection. It is the only authorized super-effect Insecticide used in food hygiene (food production) by the UN Hygiene Organization. It is a unique tank additive that restores activity against resistant strains of insects. It acts by inhibiting naturally occurring enzymes that would otherwise degrade the insecticide molecule. PBO breaks through the insect`s defense and its synergistic activity makes the insecticide more powerful and effective.
| Physical and chemical properties | Synergistic ether is abbreviated as pb. Molecular formula C19H30O5. Molecular weight 338.45. Pale yellow oily substance. The boiling point is 180ºC(133.3Pa), the relative density is 1.0625, and the refractive index is 1.493-1.49525. Soluble in mineral oil and most organic solvents. Light stable, hydrolysis resistant, Chemicalbook non-corrosive. Toxicity LD507500mg/kg(rat oral). Pyrethroids are synergists of piperonyl compounds, pyrethroids and other insecticides. Because the synergistic ether inhibits the activity of the detoxifying enzyme - multifunctional oxidase in the insect body, pyrethroids are not degraded by insects and thus have a synergistic effect. |
| Mode of action | It can improve the insecticidal activity of pyrethrin, pyrethroids, rotenone and carbamate insecticides, also has synergistic effect on pyrethrin,trichlorocide and atrazine, and can improve the stability of pyrethrin extract Chemicalbook. The synergistic effect of this product on permethrin was higher than that of octachlorodipropyl ether when controlling housefly. When used in mosquito-repellent incense, it has no synergistic effect on allethrin, and even reduces its efficacy. |
| Efficacy and use | When 100ml of refined contains pyrethrin only 0.025g, the death rate of housefly is only 19%, when containing 0.050g, the death rate is 32% and when containing 0.100g, the death rate of housefly can be as high as 85% when containing pyrethrin 0.025g+0.25g of this product. When pyrethrin 0.005% and pyrethrin 0.05% were included in the preparation, the death rate of body louse was 78%. If pyrethrin 0.025% and this product 0.125%, the death rate of body louse can reach 100%, but in the pyrethrin only Chemicalbook, the death rate of body louse is 0. Use this product as a high efficiency agent to prevent and control sanitary insects, warehouse pests, horticultural pests insecticides, generally its usage is 5 to 10 times of pyrethrin, can increase the efficacy 3 times, the effect is significant. For example, in grain storage, a mixed powder with fenvalerate (1:10) is used to control a variety of warehouse pests, and one application can protect the stored grain from pests for about 1 year. For agricultural pests such as cotton bollworm, this product was used in combination, cyfluthrin, deltamethrin and fenvalerate, respectively, and the synergism index was 230, 167, 80 and 65.7, which were also significant. |
| Toxicity | Acute oral LD50>7.5g/kg in rats and rabbits; The acute percutaneous LD50 of rabbits was 1.88g/kg, and the acute percutaneous LD50 of rats was >7950mg/kg, which had no irritation to skin and eyes, and no sensitization to skin. LC50 was >5.9mg/L after acute inhalation. The dose of no effect was 30mg/kg body weight ·d in rats and mice (2 years) and 16mg/kg body weight ·d in dogs (1 year). The ADI for humans is 0.2mg/kgChemicalbook body weight. No teratogenicity, no mutagenicity, no carcinogenicity. The rats were fed 10g/kg of feed containing this product every day for 3 successive generations, and no harmful effects were found. The safe drug resistance of human body to long-term ingestion of synergistic ether is 42mg/kg. This product is non-toxic to fish and bees. Quail acute transoral LD50>2250mg/kg. Carp LC50(24 hours) was 5.3mg/L. Bee LD50>25μg/ bee. Daphnia LC50(24 hours)2.95mg/L. |
| Application | Insecticide. It is used to kill insects produced during storage of rice, wheat, beans and other grains, such as valley weevil. It is often used in combination with insecticide pyrethrin to form a complex for synergistic effect. The death rate of pyrethrin alone (housefly for example) is 46%, and the death rate can reach 92% if the preparation combined with pyrethrin (30mg+400mg) is used. This product is usually mixed with 10 times the amount of pyrethrin, and Chemicalbook is prepared into 0.05% ~ 0.2% emulsion or powder. After the application of this product, its residual effect can maintain the pest control effect for about 1 to 10 months. According to Japanese regulations, it can be used for cereals, and the limit is 0.024g/kg(based on this product). Examples of compound insecticides: this product 1.2%, pyrethrin 0.08%, mineral substance 98.72%(60kg grain about mixing, spray 120g). |
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