51-03-6
Piperonyl butoxide
CAS: 51-03-6
Molecular Formula: C19H30O5
51-03-6 - Names and Identifiers
| Name | Piperonyl butoxide |
| Synonyms | PBO Piperonylbutoxide pieronyl butoxide Piperonyl butoxide Piperronyl butoxide Piperonyl butoxide (PBO) PIPERONYL BUTOXIDE PESTANAL 1-(benzo[d][1,3]dioxol-5-yl)pentan-2-olate 2-(2-butoxyethoxy)ethyl 6-propylpiperonyl ether 3,4-Methylenedioxy-6-Propylbenzyl-n-Butyldiethyleneglycolether 5-{[2-(2-butoxyethoxy)ethoxy]methyl}-6-propyl-1,3-benzodioxole α-[2-(2-Butoxyethoxy)ethoxy]-4,5-methylenedioxy-2-propyltoluene |
| CAS | 51-03-6 |
| EINECS | 200-076-7 |
| InChI | InChI=1/C15H22O3.C4H10O3/c1-3-5-7-16-10-13-9-15-14(17-11-18-15)8-12(13)6-4-2;5-1-3-7-4-2-6/h8-9H,3-7,10-11H2,1-2H3;5-6H,1-4H2 |
| InChIKey | HHZWGSFIZRNPFB-UHFFFAOYSA-N |
51-03-6 - Physico-chemical Properties
| Molecular Formula | C19H30O5 |
| Molar Mass | 338.44 |
| Density | 1.059 g/mL at 25 °C(lit.) |
| Melting Point | <25 °C |
| Boling Point | 180 °C |
| Flash Point | >230°F |
| Water Solubility | <0.1 g/100 mL at 18 ºC |
| Solubility | water: slightly soluble0.0289g/L at 20.4°C |
| Vapor Presure | 0.02 hPa (60 °C) |
| Appearance | Bright yellow to brown liquid |
| Specific Gravity | 1.060 (20/4℃) |
| Color | Clear yellow |
| Merck | 14,7476 |
| BRN | 288063 |
| Storage Condition | 2-8°C |
| Stability | Stable. Combustible. Incompatible with oxidizing agents. |
| Refractive Index | n20/D 1.498(lit.) |
| MDL | MFCD00005842 |
| Physical and Chemical Properties | Appearance colorless to light yellow oily transparent liquid, with slight special odor, bitter in taste |
| Use | Used as an insecticide synergist |
51-03-6 - Risk and Safety
| Risk Codes | R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R51/53 - Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R24 - Toxic in contact with skin |
| Safety Description | 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. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S28A - |
| UN IDs | UN 3082 9/PG 3 |
| WGK Germany | 3 |
| RTECS | XS8050000 |
| TSCA | Yes |
| HS Code | 29329990 |
| Hazard Class | 6.1(b) |
| Packing Group | III |
| Toxicity | LD50 orally in female, male rats: 6150, 7500 mg/kg (Gaines) |
51-03-6 - Upstream Downstream Industry
| Raw Materials | Paraformaldehyde |
51-03-6 - Introduction
Insoluble in water, soluble in most organic solvents including mineral oil and dichloromethane, water soluble <0.1g/100mL. Stable to light and ultraviolet rays, resistant to hydrolysis. This product is non-corrosive, but it can change in iron containers.
Last Update：2022-10-16 17:25:40
51-03-6 - Reference Information
| (IARC) carcinogen classification | 3 (Vol. 30, Sup 7) 1987 |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| mode of action | synergist ether can increase the insecticidal activity of pyrethrin and a variety of pyrethroids, rotenone and carbamate insecticides, and also have synergistic effects on fenthion, dichlorvos, chlordane, trichloroinsecticide, atrazine, etc., and can improve the stability of pyrethrum extract. When housefly is used as the control object, the synergistic effect of this product on pyrethrin is higher than that of octachlorodipropyl ether; but in the knock-down effect on housefly, it cannot make cypermethrin synergistic. When used in mosquito coils, there is no synergistic effect on acrylthrin, and even the efficacy is reduced. |
| efficacy and use | when 100ml of refined kerosene contains 0.025g of pyrethrin alone, the mortality rate of housefly is only 19%, the mortality rate is 32% at 0.050g and 50% at 0.100g, and the mortality rate of housefly can be as high as 85% when 100ml of kerosene contains 0.025g +0.25g of pyrethrin. In the lice eradication test, when the preparation contains pyrethrin 0.005% and this product 0.05%, the mortality rate of body lice is 78%; if the 0.025% containing pyrethrin and this product are 0.125%, the mortality rate of body lice can reach 100%, but in the treatment of single containing pyrethrin, the mortality rate of body lice is 0. Use this product as a high-efficiency agent for the prevention and control of sanitary insects, warehouse pests, and horticultural pests. Generally, its use is 5 to 10 times that of pyrethrin, which can increase the efficacy by 3 times and the effect is significant. For example, in grain storage, the mixed powder with this product (1:10) in fenvalerate is used to control a variety of warehouse pests. One application can protect the stored grain from pests for about 1 year. For agricultural pests such as cotton red bollworm, this product is used in combination with cypermethrin, cyhalothrin, deltamethrin and fenvalerate respectively, and the synergy index reaches 230, 167, 80, 65.7, which is also very significant. |
| Preparation method | Safrole is first prepared from allyl chloride and methylenedioxybenzene, and then catalyzed hydrogenation, chloromethylation, etherification, etc. A series of reactions to synthesize synergic ether. |
| analysis method | this product can be dissolved in kerosene or benzo solution containing refined tannin, glacial acetic acid and phosphoric acid, heated to generate blue color, and then analyzed with spectrophotometer at 625nm. Dioctyl phthalate can also be used as the internal standard and determined by gas chromatography. The determination of residues in grains can be carried out by gas chromatography and hydrogen flame ion detector (Maag Company Law). |
| toxicity | acute oral LD50>7.5 g/kg for rats and rabbits; Acute percutaneous LD50 for rabbits is 1.88 g/kg, and acute percutaneous LD50 for rats is more than 7950 mg/kg, which has no irritation to skin and eyes and no sensitizing effect on skin. Acute inhalation of LC50>5.9mg/L in rats. Feeding test no effect dose: rats and mice (2 years) 30mg/kg body weight d, dogs (1 year) 16mg/kg body weight d. ADI for humans is 0.2 mg/kg body weight. No teratogenicity, no mutagenicity, no carcinogenicity. Rats were fed with 10 g/kg of this product every day for 3 generations without harmful effects. The safe drug resistance of human body to long-term uptake of synergist ether is 42mg/ kg. This product is non-toxic to fish and bees. Quail acute oral LD50> 2250mg/kg. Carp LC50(24 hours) is 5.3mg/L. Bee LD50>25 μg/bee. Daphnia LC50(24 hours) 2.95mg/L. |
| biological activity | Piperonyl butoxide (PBO, Butacide, Ethanol butoxide, Pyrenone 606) is an artificial pesticide synergist, which can enhance its effectiveness when acting together with pesticides. |
| use | insecticide. Used to kill insects produced during storage of rice, wheat, beans and other grains, such as cereal worms. It is often combined with the insecticide pyrethrin to form a complex to play a synergistic effect. The mortality rate of insecticidal (housefly, for example) with pyrethrin alone is 46%. If a preparation combined with this product (30mg +400mg) is used, the killing rate can reach 92%. Usually, this product is mixed with 10 times the amount of pyrethrin to prepare 0.05% ~ 0.2% emulsion or powder for use. After the application of this product, its residual effect can maintain the insect control effect for about 1~10 months. According to Japanese regulations, it can be used for cereals with a limit of 0.024 g/kg (based on this product). Examples of compound insecticides: this product is 1.2%, pyrethrin 0.08%, and mineral substance 98.72%(60kg of grain is about 120g for mixing and spraying). used as insecticidal synergist this product can improve the insecticidal activity of pyrethrin and a variety of pyrethroids, iguthenone and carbamate insecticides. |
| production method | safrole is hydrogenated under nickel catalysis at high pressure to obtain safrole hydroxide, which is condensed with butyl carbitol after chloromethylation, and then obtained by decompression fractionation and refining. |
| category | pesticide |
| toxicity classification | poisoning |
| acute toxicity | oral-rat LD50: 6150 mg/kg; Oral-mouse LD50: 2600 mg/kg |
| storage and transportation characteristics | warehouse ventilation and low temperature drying; separate from food raw materials storage and transportation |
| fire extinguishing agent | dry powder, foam, sand |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 21:04:16
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