ChemicalBook > CAS DataBase List > Mefenpyr-diethyl
Mefenpyr-diethyl
- Product Name
- Mefenpyr-diethyl
- CAS No.
- 135590-91-9
- Chemical Name
- Mefenpyr-diethyl
- Synonyms
- EMBARK;HOE-107892;1-(3,4-Dic;Mefenpyr-dieth;Mefenpyr-diethy;MEFENPYR-DIETHYL;Mefenpyr-diethyl >Mefenpyr-diethyl [iso];Mefenpyr-diethyl Standard;Oxymetazoline Impurity 17
- CBNumber
- CB7190999
- Molecular Formula
- C16H18Cl2N2O4
- Formula Weight
- 373.23
- MOL File
- 135590-91-9.mol
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Mefenpyr-diethyl Property
- Melting point:
- 50-52°
- Boiling point:
- 451.1±55.0 °C(Predicted)
- Density
- 1.34±0.1 g/cm3(Predicted)
- vapor pressure
- 0-0.001Pa at 20-50℃
- storage temp.
- Sealed in dry,Room Temperature
- solubility
- Chloroform (Slightly), Methanol (Slightly)
- pka
- -5.89±0.70(Predicted)
- form
- Solid
- color
- Off-White to Light Beige
- Water Solubility
- Water: < 0.1 mg/mL (insoluble)
- InChI
- InChI=1S/C16H18Cl2N2O4/c1-4-23-14(21)12-9-16(3,15(22)24-5-2)20(19-12)13-7-6-10(17)8-11(13)18/h6-8H,4-5,9H2,1-3H3
- InChIKey
- OPGCOAPTHCZZIW-UHFFFAOYSA-N
- SMILES
- N1(C2=CC=C(Cl)C=C2Cl)C(C)(C(OCC)=O)CC(C(OCC)=O)=N1
- LogP
- 4 at 25℃ and pH4-9
- CAS DataBase Reference
- 135590-91-9(CAS DataBase Reference)
- NIST Chemistry Reference
- Mefenpyr-diethyl(135590-91-9)
- EPA Substance Registry System
- Mefenpyr-diethyl (135590-91-9)
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Safety
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H411Toxic to aquatic life with long lasting effects
- Precautionary statements
-
P273Avoid release to the environment.
P391Collect spillage. Hazardous to the aquatic environment
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- CRM46302
- Product name
- Mefenpyr-diethyl
- Purity
- certified reference material, TraceCERT?, Manufactured by: Sigma-Aldrich Production GmbH, Switzerland
- Packaging
- 50MG
- Price
- $86.5
- Updated
- 2025/07/31
Sigma-Aldrich
- Product number
- 46302
- Product name
- Mefenpyr-diethyl
- Purity
- PESTANAL
- Packaging
- 100mg
- Price
- $126
- Updated
- 2025/07/31
TCI Chemical
- Product number
- M2604
- Product name
- Mefenpyr-diethyl
- Purity
- >98.0%(HPLC)
- Packaging
- 1g
- Price
- $95
- Updated
- 2025/07/31
TCI Chemical
- Product number
- M2604
- Product name
- Mefenpyr-diethyl
- Purity
- >98.0%(HPLC)
- Packaging
- 5g
- Price
- $285
- Updated
- 2025/07/31
Chem-Impex
- Product number
- 39359
- Product name
- Mefenpyr-diethyl,≥98%(HPLC)Hazmat
- Purity
- ≥98%(HPLC)
- Packaging
- 5G
- Price
- $327.31
- Updated
- 2021/12/16
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Mefenpyr-diethyl Chemical Properties,Usage,Production
Description
Mefenpyr-diethyl is a foliar-acting safener of the pyrazoline chemical group, and after its absorption, the metabolization and detoxification of herbicides occur in treated plants. It is often used with fenoxaprop-P-ethyl and iodosulfuron for selective weed control in cereals. However, it does not have herbicidal activity.
Uses
Mefenpyr-diethyl is used in herbicidal and herbicide-safener combinations as a resistant breaking solution for modern agriculture.
Uses
Herbicide safener.
Synthesis
97-63-2
27143-12-0
135590-91-9
The general procedure for the synthesis of diethyl 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylate from ethyl methacrylate and ethyl 2-chloro-2-(2-(2,4-dichlorophenyl)hydrazinylidene)acetate was as follows: 22.8 g of ethyl methacrylate and 14.8 g of 2-chloro-2-(2-(2,4-dichlorophenyl) hydrazinyl) ethyl acetate were mixed and heated to 50-60 °C. Over 30 minutes, 7.6 g of triethylamine was slowly added dropwise to the reaction mixture. Subsequently, the reaction temperature was raised to 70 °C and the reaction was continued with stirring for 2 hours. After completion of the reaction, the reaction mixture was allowed to cool to room temperature and the precipitate was isolated by filtration. The filtrate was carefully concentrated under reduced pressure to afford 18.1 g of the target product 1-(2,4-dichlorophenyl)-5-methyl-4,5-dihydro-1H-pyrazole-3,5-dicarboxylic acid diethyl ester.
References
[1] Patent: WO2017/92466, 2017, A1. Location in patent: Page/Page column 11
Mefenpyr-diethyl Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Mefenpyr-diethyl manufacturers
Hebei Yanxi Chemical Co., Ltd.
- Product
- mefenpyr-diethyl 135590-91-9
- Price
- US $50.00/KG
- Min. Order
- 25KG
- Purity
- 99
- Supply Ability
- 100ton
- Release date
- 2020-07-22
Huizhili (Changzhou) Life Technology Co., Ltd
- Product
- mefenpyr-diethyl 135590-91-9
- Price
- US $0.00-0.00/kg
- Min. Order
- 1kg
- Purity
- 97%
- Supply Ability
- ES:100 tons
- Release date
- 2025-02-14
Longyan Tianhua Biological Technology Co., Ltd
- Product
- Mefenpyr-diethyl 135590-91-9
- Price
- US $90.00/Kg/Bag
- Min. Order
- 1Kg/Bag
- Purity
- 99%
- Supply Ability
- 20 Tons
- Release date
- 2020-10-29
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