Benzofluorfen
Benzofluorfen
CAS: 77501-60-1
Molecular Formula: C16H9ClF3NO7
Benzofluorfen - Names and Identifiers
| Name | Benzofluorfen |
| Synonyms | COMPETE Benzofluorfen BENZOFLUORFEN Fluoroglicofene Super Blazer[R] Fluoroglicofene [iso-french] carboxymethyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate Carboxymethyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate 2-ethoxy-2-oxoethyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate Benzoic acid, 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitro-, carboxymethyl ester 5-((2-Chloro-alpha,alpha,alpha-trifluoro-p-tolyl)oxy)-2-nitrobenzoic acid ester with glycolic acid |
| CAS | 77501-60-1 |
| InChI | InChI=1/C18H13ClF3NO7/c1-2-28-16(24)9-29-17(25)12-8-11(4-5-14(12)23(26)27)30-15-6-3-10(7-13(15)19)18(20,21)22/h3-8H,2,9H2,1H3 |
Benzofluorfen - Physico-chemical Properties
| Molecular Formula | C16H9ClF3NO7 |
| Molar Mass | 419.69 |
| Density | 1.575±0.06 g/cm3(Predicted) |
| Melting Point | 65 |
| Boling Point | 517.8±50.0 °C(Predicted) |
| Flash Point | 248.8°C |
| Vapor Presure | 1.16E-09mmHg at 25°C |
| pKa | 2.60±0.10(Predicted) |
| Refractive Index | 1.539 |
| Physical and Chemical Properties | Amber solid. Melting Point 65 °c. 25 ° C in water solubility <1mg/L, soluble in most organic solvents. Rat acute oral LD501500mg/kg. Rabbit acute percutaneous LD505000mg/kg. It is slightly irritating to the skin and eyes, and the LC50 for some fish is about 0.001~0.002mg/L. Formulations include emulsifiable concentrates and wettable powders. Herbicides. |
| Use | It is used to control most of the broad-leaved weeds in the soybean field, and the dosage is 300g/ha. |
Benzofluorfen - Risk and Safety
| Toxicity | 乙羧氟草醚的低毒性，大鼠急性口服致死中量LD50为1500毫克/公斤，兔急性经皮LD50为5000毫克/公斤。可以简单理解为，如果大鼠按照50公斤计算，即大鼠需要吃150克折百的原药或者20%制剂750克才会死亡，兔子需要500克折百原药经过皮肤吸收才能死亡，但是这在现实生活中，是不可能存在的，所以乙羧属于低毒的药剂，并对鸟类低毒和鱼类也是低毒。但是它对皮肤和眼睛有轻度刺激作用。 |
Benzofluorfen - Reference Information
| herbicide | ethoxyfluoroether is already a household product in the big family of herbicides. it has the outstanding characteristics of high efficiency, low toxicity, low residue, quick effect, wide application range, strong mixability and high cost performance. it is mainly used in soybean and peanut fields, it can also be used in wheat, barley, rice, cotton, grapes and other crops to control broad-leaved weeds. Ethoxolflurane belongs to diphenyl ether herbicides. It is a protoporphyrinogen oxidase inhibitor. The agent is absorbed by plants and is effective under light conditions. The compound reacts with molecular oxygen to generate tetrapyrrole compounds that are toxic to plant cells, and accumulate and act. In the process of accumulation, the cell membrane of the plant completely disappears, causing leakage of cell contents, physical burns of plant tissues, affecting its growth and development, and eventually leading to death. In terms of the herbicidal activity of diphenyl ethers, compared with the treatment agents of stems and leaves, the activity of glycolide is the highest, followed by the order of lupo, fomesafe and trifluorocarboxane. Therefore, if the herbicidal activity is high, the death rate of weeds will increase faster, which is also the biggest advantage of glycols. | |
| control object | ethoxyfluoroether is mainly used for stem and leaf treatment to control broad-leaved weeds. After the plant absorbs the drug, the protoporphyrinogen oxidase is inhibited to generate tetrapyrrole that is toxic to plant cells, which accumulates and acts, which can effectively control Chenopodiaceae, Polygonaceae, amaranth, Xanthium, Solanum nigrum, purslane, Commelina, Thistle and other broad-leaved weeds have the characteristics of fast action speed, high activity, and no influence on subsequent crops. The drug has high activity. When the drug is used in the low temperature period, the dosage is too large or the spraying concentration is too high, it is easy to cause damage to crops, especially when the crop seedlings are weak, which may cause dead seedlings. | |
| scope of use | ethoxyfluoxane has a wide range of applications, because the agent is a contact agent. the characteristic of the contact agent is that it will not be transmitted to other leaves when sprayed on one leaf of the plant, let alone to the root, flower and fruit of the plant. Similarly, touch-killing herbicides sprayed on the surface of the soil will not be transmitted to leaves, stems, flowers and fruits through root absorption, such as oxyfluoroether in similar chemicals. When the agent comes into contact with weeds, only the part that comes into contact with the agent is killed, and the part that does not come into contact will not be affected. According to this feature, glycaxyfluoroether can be applied to any crop. The premise of medication is that the planted crop is as little as possible. Contact with chemicals, such as stereotyped spray or protective cover medication can be applied to more sensitive crops, so for crops planted with ridges, it is a good choice to apply pesticide to weeds between ridges. The crops that can be sprayed in the whole field mainly include soybeans, peanuts and wheat. There are many agents for preventing broad leaves on rice and safer for rice, so the ethyl carboxyl group is not applied to rice, but directional spray is required for cotton and grape applications. The amount of medicine used per mu, take 20% glyoxamine emulsifiable concentrate as an example, soybean field, 30-40ml; Peanut field, 20-30ml, other crops can also refer to this amount. | |
| drug residue | the low residue properties of glycolfoxazole, in water with a pH of 7 at 25 ℃, Its degradation half-life is 144.4 hours, that is, about 6 days, and the degradation accelerates with the increase of temperature, but only has a half-life of 11 hours in the soil, therefore, there is no requirement for the maximum residue limit for ethyl carboxylic acid in foreign countries. Under the condition of normal medication, ethyl carboxyfluoroether is an easy-to-degrade pesticide. Before planting crops, if there are more broad-leaved weeds in the field, theoretically, one day after using ethyl carboxylic acid can be used to plant crops. | |
| toxicity | low toxicity of glycoliflurane, the acute oral lethal LD50 in rats is 1500 mg/kg, and the acute percutaneous LD50 in rabbits is 5000 mg/kg. It can be simply understood that if the rat is calculated according to 50kg, that is, the rat needs to eat 150 grams of the original medicine or 750 grams of the 20% preparation to die, and the rabbit needs 500 grams of the original medicine to be absorbed by the skin to die, but this In real life, it is impossible to exist, so acetylcarboxylic acid is a low-toxic agent, and it is low-toxic to birds and fish. But it has a mild irritating effect on the skin and eyes. | |
| use | used to control most broad-leaved weeds in soybean fields at an amount of 300g/ha. |
Last Update：2024-04-09 20:49:11
