PYRAZOXYFEN
Synonym(s):2-[4-(2,4-Dichlorobenzoyl)-1,3-dimethylpyrazol-5-yloxy]acetophenone
- CAS NO.：71561-11-0
- Empirical Formula: C20H16Cl2N2O3
- Molecular Weight: 403.26
- MDL number: MFCD00274563
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-10 10:27:16
What is PYRAZOXYFEN?
Definition
ChEBI: Pyrazoxyfen is a member of the class of pyrazoles that is 1,3-dimethylpyrazole which is substituted at positions 4 and 5 by 2,4-dichlorobenzoyl and 2-oxo-2-phenylethoxy groups, respectively. A pro-herbicide (for the corresponding 5-hydroxypyrazole), it is used as a pre- or post-emergence herbicide for the control of annual and perennial weeds in rice. It has a role as a proherbicide, an agrochemical and a carotenoid biosynthesis inhibitor. It is a member of acetophenones, a member of pyrazoles and a dichlorobenzene.
Properties of PYRAZOXYFEN
| Melting point: | 111.5 °C |
| Boiling point: | 599.9±50.0 °C(Predicted) |
| Density | 1.4162 (rough estimate) |
| refractive index | 1.6200 (estimate) |
| storage temp. | 0-6°C |
| form | neat |
| pka | -0.32±0.10(Predicted) |
| EPA Substance Registry System | Pyrazoxyfen (71561-11-0) |
Safety information for PYRAZOXYFEN
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07  Environment GHS09 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H410:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. |
Computed Descriptors for PYRAZOXYFEN
New Products
3-AMINO-3-(2-FLUORO-PHENYL)-PROPIONIC ACID Pentadecanoic acid Hendecanoic acid 2-AMINO-3-METHYLQUINOLINE HYDROCHLORIDE 3-Hydroxypropionitrile DL-3-Amino-3-(2-methoxyphenyl)propionic acid 5-Bromo-2-Fluoropyridine 2,3-Diamino-5-Chloropyridine 2-Amino-3-Hydroxypyridine 2,6-Diamino Pyridine 4-Amino-2-Chloropyridine 2-Hydroxy-4-Picoline 4-(4-(Dimethylamino)-1-(4-fluorophenyl)-1-hydroxybutyl)-3-(hydroxymethyl)benzonitrile 4-Bromo-3-(ethoxymethyl)benzoic acid 2,4-Dichloro-5-methoxyaniline 4,6-Dichloro-2-(propylthio)pyrimidin-5-amine N2-Isobutyryl-2'-O-methylguanosine 2-chloro-5-methylpyridin-4-amine 4-Bromobenzaldehyde 2-Chloro-6-nitro benzothiazole 2-Amino-4-phenyl-thiazole 4-Chloro-2-methyl quinoline 2-(Chloromethyl) quinazolin-4(3H)-one 5-Phenyl-[1,3,4]-thiadiazol-2-amineRelated products of tetrahydrofuran
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