153719-23-4
thiamethoxam
CAS: 153719-23-4
Molecular Formula: C8H10ClN5O3S
153719-23-4 - Names and Identifiers
153719-23-4 - Physico-chemical Properties
| Molecular Formula | C8H10ClN5O3S |
| Molar Mass | 291.71 |
| Density | 1.71±0.1 g/cm3(Predicted) |
| Melting Point | 139.1° |
| Boling Point | 485.8±55.0 °C(Predicted) |
| Flash Point | 247.6°C |
| Water Solubility | 4.1 x 103 mg l-1 (25 °C) |
| Solubility | 4.1 x 103 mg l-1 (25 °C) |
| Vapor Presure | 6.6 x 10-9 Pa (25 °C) |
| Appearance | White crystalline powder |
| BRN | 8491021 |
| pKa | 0.99±0.10(Predicted) |
| Storage Condition | Inert atmosphere,2-8°C |
| Refractive Index | 1.725 |
| MDL | MFCD03792862 |
| Physical and Chemical Properties | Appearance: white or light yellow powder |
153719-23-4 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R22 - Harmful if swallowed R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. |
| Safety Description | S22 - Do not breathe dust. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S60 - This material and its container must be disposed of as hazardous waste. |
| UN IDs | UN 3077 9 / PGIII |
| WGK Germany | 2 |
| HS Code | 29341000 |
| Toxicity | LD50 in rats (mg/kg): 1563 orally, >2000 dermally; LD50 in bobwhite quail, mallard duck (mg/kg): 1552, 576 orally. LC50 (96hr) in rainbow trout, bluegill (mg/l): >100, >114 (Senn). |
153719-23-4 - Reference
| Reference Show more | 1. Yang Fengshan, Yin Cheng, Yang Jing, Wei Xuegao, Du Tianhua, Yang Xin, Wang Shaoli, Zhang Youjun. Cloning of cytochrome P450 CYP6DV5 gene of Q-type Bemisia tabaci and its role in resistance to thiamethoxam in Bemisia tabaci [J]. Journal of Pesticide Science, 2021,23(01):83-89. 2. [IF = 10.588] Qinzhi Wang et al."Macro-meso-microporous carbon composite derived from hydrophilic metal-organic framework as high-performance electrochemical sensor for neonicotinoid determination." J Hazard Mater. 2021 Jun;411:125122 3. [IF = 7.514] Hui Zhangsun et al."NiCu nanoalloy embedded in N-doped porous carbon composite as superior electrochemical sensor for neonicotinoid determination." Food Chem. 2022 Aug;384:132607 4. [IF = 7.514] Dan Wang et al."Generic imprinted fiber array strategy for high-throughput and ultrasensitive simultaneous determination of multiple neonicotinoids." Food Chem. 2022 Jul;382:132407 |
153719-23-4 - Reference Information
| LogP | -0.13 at 25℃ |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| bulk drug | thiamethoxam is a neonicotinoid insecticide developed by Novartis in 1991. its mechanism of action is similar to imidacloprid, which can selectively inhibit nicotinic acid acetylcholinesterase receptors in the insect central nervous system, thus blocking the normal conduction of the insect central nervous system and causing the death of pests when they are paralyzed. It not only has contact killing, stomach toxicity, and systemic activity, but also has higher activity, better safety, wider insecticidal spectrum, fast action speed, and long duration. It is a replacement for mammals. A better variety of organophosphorus, carbamate, and organochlorine insecticides with high toxicity, residue and environmental problems. It has high activity against Coleoptera, Diptera, Lepidoptera, especially Homoptera pests, and can effectively control various aphids, leafhoppers, planthoppers, whiteflies, beetles, potato beetles, nematodes, ground beetles, leaf miner and other pests and pests that produce resistance to various types of chemical pesticides. There is no cross resistance with imidacloprid, acetamiprid, and nitenpyram. It can be used for stem and leaf treatment, seed treatment, and soil treatment. Suitable crops are rice crops, sugar beets, rape, potatoes, cotton, kidney beans, fruit trees, peanuts, sunflowers, soybeans, tobacco and oranges. It is safe and harmless to crops when used at the recommended dose. |
| solubility | (25 ℃,g/L pure product) water 4.1, organic solvent ((25 ℃,g/L): acetone 48, ethyl acetate 7.0, methanol 13, dichloromethane 110, hexane> 1mg/L, octanol 620mg/L, toluene 680mg/L. |
| toxicity | according to China's pesticide toxicity classification standard, it is a low-toxic pesticide. Acute oral LD501563 mg/kg in rats, acute percutaneous LD502000 mg/kg in rats, acute inhalation of LC50(4 hours) in rats: 3720 mg/kg, no irritation to eyes and skin. |
| poisoning rescue | low toxicity, generally will not cause poisoning accidents, such as accidental ingestion causing discomfort and other poisoning symptoms, there is no special detoxification agent, you can ask a doctor for symptomatic treatment. |
| usage | 1. control of rice planthoppers with 25% thiamethoxam water dispersible granules 1.6-3.2g (active ingredient 0.4-0.8g) per mu, spray at the initial stage of nymphs, spray volume of 30-40 liters per mu, spray directly on the leaf surface, can be quickly transmitted to the whole rice plant. 2. Control apple aphids with 25% thiamethoxam 5000~10000 times solution or every 100 liters of water plus 25% thiamethoxam 10~20 ml (effective concentration 25~50 mg/L), or 5~10 grams per mu (active ingredient 1.25~2.5 grams) for foliar spray. 3. The concentration for controlling melon whitefly is 2500~5000 times, or 10~20g (effective ingredient 2.5~5g) per mu for spraying. 4. Spray 13~26g (effective ingredient 3.25~6.5g) of 25% thiamethoxam per mu to control cotton thrips. 5. Control pear woodlice with 25% thiamethoxam 10000 times solution or every 100 liters of water plus 10 ml (effective concentration of 25 mg/L), or every mu of orchard with 6 grams (active ingredient 1.5g) spray. 6. Control citrus leaf miner with 25% thiamethoxam 3000~4000 times solution or every 100 liters of water plus 25~33 ml (effective concentration 62.5~83.3 mg/l), or 15 grams per mu (effective ingredient 3.75g) spray. |
| recommended dosage for common crops | seed treatment of typical crop pests potato potato aphid, potato aphid, potato long tube aphid, potato leaf nail 4-7.58Al/kg soybean Stemechus Subsignatus, Ceretoma Arcuata, termites 17.5-150gAl/kg rice weevil, planthopper, south American corn seedling spot borer 50-100gAl/kg cotton aphid, thrips, whitefly, grass bug bug, corn worm 70-350gAl/kg corn nematode, the constricted aphid, the wheat stalk fly, the black different cane beetle 40-315gAl/kg grain grain constricted aphid, the nematode 35-70gAl/kg sugar beet aphid, the bean euonymus aphid, the concave tibia jumper, the sugar beet spring fly 60eAl/100 sorghum corn constricted aphid, nematode, wheat aphid 100-200gAl/ke rape cabbage aphid 400-420gAl/ks bean euonymus aphid 52gAl/kg sweet potato, cotton aphid 350eAl/ke peanut thrips 150-200gAl/ke |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-04-09 19:05:10
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View History
153719-23-4
142326-59-8
Yttrium(III) chloride hexahydrate
1374328-81-0
1-溴-3-氯苯
辛苯昔醇
1-Phenyl-1-cyclohexanol
3-氟-4-氯苯腈
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142326-59-8
Yttrium(III) chloride hexahydrate
1374328-81-0
1-溴-3-氯苯
辛苯昔醇
1-Phenyl-1-cyclohexanol
3-氟-4-氯苯腈
1-戊苯-1-酮
二甲基二乙基硅烷