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Metsulfuron-methyl
METSULFURON-METHYL · ALLY · QUIT · allie · escort · MALBAN · dpx6376 · Gropper

Identifikatoren & physikalische Daten
| CAS No. | 2377723-88-9 |
|---|---|
| Summenformel | C14H15N5O6S |
| Durchschnittliche Molmasse | 381,37 g/mol |
| Monoisotopische Masse | 381,0743042 g/mol |
| SMILES | COC(=O)c1ccccc1S(=O)(=O)NC(=O)Nc1nc(C)nc(OC)n1 |
| InChIKey | RSMUVYRMZCOLBH-UHFFFAOYSA-N |
| PubChem CID | 52999 |
| ChEMBL | CHEMBL1229749 |
| ChEBI | CHEBI:39678 |
| EC No. | 616-063-8 |
| DTXSID | DTXSID6023864 |
Chemische & physikalische Eigenschaften
| XLogP | 1,5 |
|---|---|
| Polarare Oberfläche (TPSA) | 158 |
| H-Brücken-Donoren | 2 |
| H-Brücken-Akzeptoren | 9 |
| Frei drehbare Bindungen | 6 |
| Schwere Atome | 26 |
| Formalladung | 0 |
| Komplexität | 609 |
| Pestizide | Pesticide -> EPA IRISHerbicidesActive substance -> EU Pesticides database: ApprovedPesticides -> Herbicides, SulfonylureaPesticides -> Herbicides -> Urea herbicides -> Sulfonylurea herbicides |
| LogP (Verteilungskoeffizient) | log Kow = 2.200.93 |
| Geruch | Faint, sweet, ester-like |
| Color/Form | White crytalsWhite to pale yellow solidColorless crystals |
| Löslichkeit | Solubility (mg/L at 25 °C): hexane 5.84X10-1, ethyl acetate 1.11X10+4, methanol 7.63X10+3, acetone 3.7X10+4, dichloromethane 1.32X10+5, toluene 1.24X10+3.In water, 9.50X10+3 mg/L at 25 °CDMSO (Slightly), Methanol (Slightly, Heated)27mg/L(temperature not stated) |
| Schmelzpunkt | 163 °C158°C |
| Dampfdruck | 0.000058 [mmHg]2.5X10-12 mm Hg at 25 °C |
| Physical Description | White solid[Merck Index] Colorless or white to pale yellow solid with a mild sweet ester-like odor[HSDB] |
| Stability/Shelf Life | Photolytically stable.Stable in air to about 140 °C. It is hydrolysed in acid solution, 50% loss (25 °C) occurs in 15 hr at pH 2, 33 days at pH 5, > 41 days at pH 7 and pH 9, but is more rapid at 45 °C. |
| Dissociation Constants | pKa = 3.8 at 20 °C |
| Siedepunkt | 181°C (rough estimate) |
| Dichte | 1.4561 (rough estimate) |
| Brechungsindex | 1.6460 (estimate) |
| Lagerbedingungen | 0-6°C |
| Aggregatzustand | Solid |
| pKa (Säurekonstante) | 2.55±0.10(Predicted) |
| Farbe | White to Off-White |
| BRN | 587472 |
| Henry-Konstante | 7.5×1010 mol/(m3Pa) at 25℃, HSDB (2015) |
| Hauptanwendungen | agricultureenvironmental |
| InChI | InChI=1S/C14H15N5O6S/c1-8-15-12(18-14(16-8)25-3)17-13(21)19-26(22,23)10-7-5-4-6-9(10)11(20)24-2/h4-7H,1-3H3,(H2,15,16,17,18,19,21) |
| InChIKey | RSMUVYRMZCOLBH-UHFFFAOYSA-N |
| SMILES | C(OC)(=O)C1=CC=CC=C1S(NC(NC1=NC(OC)=NC(C)=N1)=O)(=O)=O |
| LogP (Verteilungskoeffizient) | 2.200 |
| CAS Datenbank | 74223-64-6(CAS DataBase Reference) |
| EPA chemische Informationen | Metsulfuron-methyl (74223-64-6) |
Sicherheit & Vorschriften
| GHS-Einstufung | WarningH400: Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]P273, P391, and P501 (click each P-code to see the statement)H400 (100%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard] |
|---|---|
| Regulatorische Informationen | Commission Regulation No 844/2012Metsulfuron methyl is listed in the dataset of EPA Human Health Benchmarks for Pesticides under the Safe Drinking Water Act (40 eCFR 141)00/49/EC, 2010/77/EU, Reg (EU) 2018/155, Reg. (EU) 2015/1885, Reg. (EU) 2016/139, Reg. (EU) 2023/114, Reg. (EU) 2024/324, Reg. (EU) No 540/2011Metsulfuron-methyl: Does not have an individual approval but may be used under an appropriate group standard |
| Gefahrenübersicht | An eye and mild skin irritantUrea-derived herbicides have low toxicity in animal feeding studies[HSDB] Systemic toxicity unlikely unless large amounts ingested[EPA Pesticides, p. 122] In a 90-day feeding study at 5000 mg/kg diet, dogs had no apparent systemic toxicity |
| Special Reports | Blair AM, Martin TDPestic Sci 22 (3): 195-220 (1988). A review of the activity, fate and mode of action of sulfonylurea herbicides. |
| FIFRA-Anforderungen | Tolerances are established for the combined residues of the herbicide metsulfuron methyl (methyl 2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]benzoate) and its metabolite methyl 2-[[[[(4-methoxy-6-methyl-1-,3,5-triazin-2-yl)amino]carbonyl]amino] sulfonyl]-4-hydroxybenzoate in or on the following raw material agricultural commodities: barley, grainbarley, haybarley, strawgrass, foddergrass, foragegrass, haysorghum, grain, foragesorghum, grain, grainsorghum, grain, stoversugarcane, canewheat, foragewheat, grainwheat, hayand wheat, straw.Tolerances are established for residues of metsulfuron methyl (methyl-2[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl) amino]carbonyl] amino]sulfonyl]benzoate) in or on the following raw agricultural commodities: cattle, fat |
Anwendungen & Verwendung
Verwenden
Herbicide.