TOPRAMEZONE
- CAS NO.：210631-68-8
- Empirical Formula: C16H17N3O5S
- Molecular Weight: 363.39
- MDL number: MFCD09953760
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:17:58
What is TOPRAMEZONE?
The Uses of TOPRAMEZONE
Topramezone is a herbicide that belongs to the class of pyrazolones or benzoylpyrazoles. It can be used to control broad leaved weeds and grass weeds in maize crop protection.
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. A potent inhibitor of 4-hydroxyphenylpyruvate dioxygenase (HPPD) that is rapily metabolised by corn to non-active substances, it is used as a herbicide for the treatment of broa leaf weeds.
Properties of TOPRAMEZONE
| Boiling point: | 590.5±60.0 °C(Predicted) |
| Density | 1.49±0.1 g/cm3(Predicted) |
| solubility | Chloroform (Slightly, Heated), Water (Slightly, Heated) |
| form | neat |
| pka | 6.35±0.50(Predicted) |
| form | Solid |
| color | Light yellow to yellow |
| EPA Substance Registry System | Methanone, [3-(4,5-dihydro-3-isoxazolyl)-2-methyl-4-(methylsulfonyl)phenyl](5-hydroxy-1-methyl-1H-pyrazol-4-yl)- (210631-68-8) |
Safety information for TOPRAMEZONE
| Signal word | Danger |
| Pictogram(s) |
 Health Hazard GHS08  Environment GHS09 |
| GHS Hazard Statements |
H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P202:Do not handle until all safety precautions have been read and understood. P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. P391:Collect spillage. Hazardous to the aquatic environment P308+P313:IF exposed or concerned: Get medical advice/attention. P405:Store locked up. |
Computed Descriptors for TOPRAMEZONE
New Products
2-(2-aminoethyl) benzenesulfonamide Gemcitabine 3-benzoate impurity Dihydroxyphenylacetone Ornidazole EP impurity D Acetyl amino diol impurity Valsartan Benzyl Ester Impurity B N,N'-Dicyclohexylcarbodiimide 3-Bromo-2-Methyl-5-Nitropyridine 5-Bromo-3-Methyl-2-Pyridinecarboxylic acid 2-Amino-4-Methylpyridine 4-Aminopyridine 4-dimethylaminopyridineRelated products of tetrahydrofuran
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