Mefenacet
- CAS NO.：73250-68-7
- Empirical Formula: C16H14N2O2S
- Molecular Weight: 298.36
- MDL number: MFCD00078691
- EINECS: 277-328-8
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-07-31 15:25:13
What is Mefenacet?
The Uses of Mefenacet
Mefenacet is an acetanilide herbicide which is used for pre- and post emergence control of annual weeds in paddy oil. Mefenacet has been widely used and repeated in Asian countries and is frequently d etected in river or lake water.
The Uses of Mefenacet
Herbicide.
Definition
ChEBI: Mefenacet is a member of benzothiazoles and a tertiary carboxamide. It has a role as an antimitotic and a herbicide.
Safety Profile
A poison by inhalation.Moderately toxic by intraperitoneal and subcutaneousroutes. Low toxicity by ingestion. When heated todecomposition it emits toxic vapors of NOx and SOx.
Properties of Mefenacet
| Melting point: | 134.8° |
| Boiling point: | 441.0±47.0 °C(Predicted) |
| Density | 1.2361 (rough estimate) |
| refractive index | 1.6000 (estimate) |
| Flash point: | >100 °C |
| storage temp. | 0-6°C |
| solubility | DMSO (Slightly), Methanol (Slightly) |
| pka | 1.53±0.10(Predicted) |
| form | neat |
| BRN | 1143987 |
| CAS DataBase Reference | 73250-68-7(CAS DataBase Reference) |
| NIST Chemistry Reference | Mefenacet(73250-68-7) |
| EPA Substance Registry System | Mefenacet (73250-68-7) |
Safety information for Mefenacet
| Pictogram(s) |
 Environment GHS09 |
| GHS Hazard Statements |
H411:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for Mefenacet
New Products
9-Mesityl-10-methylacridinium perchlorate Sulfapyridine Fmoc-OSu (R)-(-)-2-Amino-1-propanol Cyclobutanone 5-bromo-4-fluoro-2-nitrobenzaldehyde Phenethyl cinnamate Obidoxime hydrochloride API Pyrrolo[1,2-a]pyrimidine-6-carboxylic acid, 4,6,7,8-tetrahydro-4-oxo-, sodium salt (1:1), (6S) Dipropyl disulfide N-Vinylformamide 4 pentyn 1 ol Methacrylate-PEG-Methacrylate, Mn:35000 2,4-Dihydroxyacetophenone 2-Chloro 5-Fluoro Pyridine Vasicinone 2-Chloroisonicotinic Acid Tween 80 or Polysorbate 80 Carbozantinib intermediate(n-1) N-(4-fluoro-2-methoxy-5-nitrophenyl)-4-(1-methyl-1H-indol-3-yl)pyrimidin-2-amine Pirtobrutinib intd. N-(4-Cyano-3-(trifluoromethyl)phenyl)-2-methyloxirane-2-carboxamide 2-Pentyn-1-oL 4-NitrobenzotrifluorideRelated products of tetrahydrofuran
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