However, naturally occurring HPPDs are generally very sensitive to HPPD inhibitors. Topramezone SC Industrial Chain Analysis Figure 59. HRAC/FRAC/IRAC Classification: EPA#: 7969-327. Manufacturing Cost Structure of Topramezone SC Figure 57. It has a role as a herbicide, an EC 1.13.11.27 ( 4-hydroxyphenylpyruvate dioxygenase) inhibitor, a xenobiotic, an environmental contaminant and a carotenoid biosynthesis inhibitor. With our segment structure we want to contribute to the success of our customers from … This could be explained by the porous structure of biochar that retains topramezone molecules. In this study, the … These agricultural practices are likely to influence the structural properties of the soil, therefore, by the transport of pesticides. H-pyrazol -4-yl)methanone . Topramezone is a new, highly selective herbicide of pyrazole structure for the post‐emergence control of broadleaf and grass weeds in corn. The material and content contained in the Greenbook label database is for general use information only. on tillage e ects with (out) biochar on topramezone adsorption is needed. Global Topramezone SC Production Market Share Forecast by Region (2022-2027) Figure 62. HPPD (SpHPPD). Topramezone. The invention aims to provide a method for synthesis and preparation of [2-methyl-3- (4,5-dihydro-3-isoxazole)-4-(methyl sulfonyl) phenyl]-(5-hydroxy-1-methyl-1H-parazole-4-based) ketone (topramezone). Two … Following treatment in sensitive plants carotenoid pigment formation, membrane structure and photosynthesis is disrupted. Topramezone 苯唑草酮 [3-(4,5-dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy-1-methyl-1H-pyrazol-4-yl)methanone It has a role as a herbicide, an agrochemical, an EC 1.13.11.27 ( 4-hydroxyphenylpyruvate dioxygenase) inhibitor and a carotenoid biosynthesis inhibitor. It is a sulfone, a member of isoxazoles, an aromatic ketone and a pyrazolone. Topramezone is a post-emergence herbicide currently being evaluated for use within the EU. It can be used to control broad leaved weeds and grass weeds in maize crop protection. Molecular Formula C 16 H 17 N 3 O 5 S; Average mass 363.388 Da; Monoisotopic mass 363.088898 Da; ChemSpider ID 11388586 Abstract. Molecular Formula: C16H17N3O5S, Molecular Weight: 363.39 Topramezone is a new, highly selective herbicide of pyrazole structure for the post-emergence control of broadleaf and grass weeds in corn. ChEBI Name topramezone: ChEBI ID CHEBI:131999: Definition An aromatic ketone that is phenyl 1H-pyrazol-4-yl ketone in which the pyrazolyl group is substituted at positions 1 and 5 by methyl and hydroxy groups, respectively, and in which the phenyl group is substituted at positions 2, 3, and 4 by methyl, 4,5-dihydro-1,2-oxazol-3-yl, and methylsulfonyl groups, respectively. In this study, random mutagenesis was performed to increase the HPPD inhibitors’ resistance of Sphingobium sp. It is highly soluble in water, non-volatile but, based on its chemical properties, has a high risk of leaching to groundwater. Bioaccumulation Information on: Topramezone technical OPPTS 850.1730 (EPA Guideline) sunfish, bluegill (42 d) Bioconcentration factor 0.69 Does not significantly accumulate in organisms. It is a sulfone, a C-nitro compound, an aromatic ketone and a beta-triketone. Product Type: Herbicide, Postemergence | Herbicide. Triketone (mesotrione and tembotrione) and pyrazolone (topramezone) herbicides are considered efficient ecological substitutes for the recently restricted triazine herbicides, due to their chemical structure derived from a natural phytotoxin of certain plants belonging to the myrtle family. Description. Herbicide Topramezone is an inhibitor of 4-HPPD enzyme in plants which results in membrane structure and photosynthesis disruption. IUPAC NAME: [3 -(4,5 dihydro 1,2 oxazol 3 yl) 4 (methanesulfonyl) 2 methylphenyl](5 hydroxy -1-methyl-1. The molecular structure is based on structures generated from information available in ECHA’s databases. It can be persistent in both soil and aquatic systems. It derives from a benzophenone. Topramezone downstream markets trends and prospects *Please note that Topramezone (CAS 210631-68-8) Market Research Report 2021 is a half ready publication and contents are subject to change. Topramezone{[3-(4,5-dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy−1−nethyl−1H-pyrazol-4-yl) methanone} is a post-emergence herbicide belonging to the pyrazole chemical group used to control broadleaf and grass weeds, including C. dactylon, in maize.Topramezone was introduced in 2006 and inhibits 4-hydroxyphenylpyruvate dioxygenase (4-HPPD; EC 1.13.11.27), … LC analysis of SIR extracts at 48 HAT showed that the two putative hydroxylated compounds derived from parent topramezone (m/z of 378) had similar retention times in the gradient utilized for metabolite separation. topramezone. 210631-68-8 - IYMLUHWAJFXAQP-UHFFFAOYSA-N - Topramezone [ISO] - Similar structures search, synonyms, formulas, resource links, and other chemical information. Similar foetal skeletal variations (delayed ossification and supernumerary ribs and/or vertebrae) were seen in … TOPRAMEZONE Chemical Properties,Uses,Production Definition ChEBI: An aromatic ketone that is phenyl 1H-pyrazol-4-yl ketone in which the pyrazolyl group is substituted at positions 1 and 5 by methyl and hydroxy groups, respectively, and in which the phenyl group is substituted at positions 2, 3, and 4 b methyl, 4,5-dihydro-1,2-oxazol-3-yl, and methylsulfonyl groups, respectively. Statistics on Pesticides Regulation - Annex III Harmonized C&L, Other . The following alerts are based on the data in the tables below. Field and greenhouse experiments were conducted to examine single applications of topramezone and mesotrione alone or in combination with amicarbazone for POST ABG control in spring. Looking over the QSAR (quantitative structure–activity relationships) of the triketones, David Lee saw a potential discrepancy in the existing structure-activity analysis. Topramezone is an aromatic ketone that is phenyl 1H-pyrazol-4-yl ketone in which the pyrazolyl group is substituted at positions 1 and 5 by methyl and hydroxy groups, respectively, and in which the phenyl group is substituted at positions 2, 3, and 4 by methyl, 4,5-dihydro-1,2-oxazol-3-yl, and methylsulfonyl groups, respectively. Figure 56. The material shall consist of topramezone together with related manufacturing impurities and shall be in the form of a beige powdery fine-crystalline solid with a faint aromatic characteristic odour, free from visible extraneous matter and added modifying agents. 5. CAS REGISTRY NUMBER: 210631 -68 8. Topramezone is a new, highly selective herbicide of pyrazole structure for the post-emergence control of broadleaf and grass weeds in corn. If generated, an InChI string will also be generated and made available for searching. SCIENCE FINDINGS Buy Topramezone (CAS 210631-68-8), a product for proteomics research, from Santa Cruz. It is moderately toxic to mammals but a low potential for bioaccumulation. More... Topramezone is an aromatic ketone that is phenyl 1H-pyrazol-4-yl ketone in which the pyrazolyl group is substituted at positions 1 and 5 by methyl and hydroxy groups, respectively, and in which the phenyl group is substituted at positions 2, 3, and 4 by methyl, 4,5-dihydro-1,2-oxazol-3-yl, and methylsulfonyl groups, respectively. Manufacturing Process Analysis of Topramezone SC Figure 58. It only requires updating with the help of new data that are constantly retrieved from Publisher’s databases and other sources. Topramezone crossed the placenta in rabbits and elevated foetal serum levels of tyrosine were observed. The upper two (A and B) means blank control, the middle (C and D) means treated with topramezone alone and the lower two (E and F) means treated with topramezone mixed with 0.3% MSO (v/v); topramezone dose is 25.2 g a.i. Herbicidal dispersible concentrates include an herbicide and substantially water miscible amide-based solvents. It’s efficacy is the result of the inhibition of the enzyme 4-hydroxyphenylpyruvate dioxygenase (HPPD) enzyme in target plants. Active Ingredients: Topramezone. Topramezone is an aromatic ketone that is phenyl 1H-pyrazol-4-yl ketone in which the pyrazolyl group is substituted at positions 1 and 5 by methyl and hydroxy groups, respectively MOLECULAR FORMULA: H. C. 16 17. STRUCTURAL FORMULA: ... Topramezone . ha −1; control means treated with deionised water; pictures were photographed at 1000× magnification using an environment scanning electron microscope at … The biokinetic properties and mode of action of topramezone were investigated in plants of Setaria faberi Herrm, Sorghum bicolor (L.) Moench, Solanum nigrum L. and the crop species corn (Zea mays L.). Business Segments. Topramezone has herbicidal activity against broadleaf weeds and grasses. S. MOLECULAR WEIGHT: 363.39 g/mol. Topramezone is an inhibitor of 4-HPPD enzyme in plants which results in membrane structure and photosynthesis disruption. Tier 1 drinking water modelling studies using FIRST for surface waters and SCI-GROW for ground water, produced estimated maximum concentrations of 0.2 - 0.22 ppb in a chronic scenario. Topramezone is a HPPD-inhibiting herbicide being investigated for use in turfgrass. Distributors Profiles Figure 61. Topramezone, is a herbicide, which belongs to the class of pyrazolones or benzoylpyrazoles. Reproductive toxicity, Category 1B Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1 Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1 O. topramezone CAS Number: 210631-68-8: Molecular Weight: 363.388: Density: 1.5±0.1 g/cm3: Boiling Point: 590.5±60.0 °C at 760 mmHg: Molecular Formula: C 16 H 17 N 3 O 5 S: Melting Point: N/A: MSDS: Chinese USA: Flash Point: 310.9±32.9 °C: … We have 11 divisions grouped into six segments: Chemicals, Materials, Industrial Solutions, Surface Technologies, Nutrition & Care, Agricultural Solutions. Channels of Distribution Figure 60. Molecular structure. structure or composition. N. 3. In this study, the effects of topramezone on C. vulgaris, especially in relation to the cell growth, oxidative stress, cell … Such concentrates may be diluted in water and used in methods to control weeds. There were no adverse embryofoetal developmental effects observed in mice. 4-Hydroxyphenylpyruvate dioxygenase (HPPD) has attracted extensive interest as a promising target for the genetic engineering of herbicide-resistant crops. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement. Topramezone is a new, highly selective herbicide of pyrazole structure for the post-emergence control of broadleaf and grass weeds in corn. Topramezone is a pyrazolone herbicide developed by BASF, which is also an HPPD inhibitor, being effective for the control of weeds, which are resistant to glyphosate, triazines, ALS inhibitors and the ACCase inhibitors. Qm decreased with increasing temperature (15 > 25 > 40 °C), suggesting an exothermic process; 0.217–0.088 mg g −1 and 0.143–0.073 mg g −1, for no-tillage and rotary tillage treatments, respectively . ----- Environmental mobility: Information on: Topramezone technical Assessment transport between environmental compartments: Identification and Structural Analysis of Topramezone Metabolites Formed in MHR Waterhemp (SIR Population) and Maize 48 HAT. Topramezone has a good control efficacy for corn grassy weed and broad-leaf grass worldwide. The biokinetic properties and mode of action of topramezone were investigated in plants of Setaria faberi Herrm, Sorghum bicolor (L.) Moench, Solanum nigrum L. and the crop species corn (Zea mays L.). topramezone data sheet, from the Compendium of Pesticide Common Names, including IUPAC and CAS systematic names, molecular formula, structural formula, CAS Registry Number and InChI Topramezone is a new, highly selective herbicide of pyrazole structure for the post-emergence control of broadleaf and grass weeds in corn. Add to compare. In modern agriculture, tillage practices have been extensively used to improve crop quality and production.
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