2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide
(S)-Metolachlor
CAS: 87392-12-9;178961-20-1
Molecular Formula: C15H22ClNO2
2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide - Names and Identifiers
| Name | (S)-Metolachlor |
| Synonyms | dualgold cga77102 S-metolachlor S-METOLACHLOR (S)-Metolachlor metolachlor(alpha) S-Metolachlor, Pestanal 2-CHLORO-N-(2-ETHYL-6-METHYLPHENYL)-N-[(1S)-2-METHOXY-1-METHYLETHYL]ACETAMIDE 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide Acetamide, 2-chloro-N-(2-ethyl-6-methylphenyl)-N-(1S)-2-methoxy-1-methylethyl- |
| CAS | 87392-12-9 178961-20-1 |
| EINECS | 618-004-1 |
| InChI | InChI=1/C15H22ClNO2/c1-5-13-8-6-7-11(2)15(13)17(14(18)9-16)12(3)10-19-4/h6-8,12H,5,9-10H2,1-4H3/t12-/m0/s1 |
2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide - Physico-chemical Properties
| Molecular Formula | C15H22ClNO2 |
| Molar Mass | 283.79 |
| Density | 1.0858 (rough estimate) |
| Melting Point | -39.9°C |
| Boling Point | 282°C (rough estimate) |
| Flash Point | 4°C |
| Vapor Presure | 0mmHg at 25°C |
| Appearance | neat |
| BRN | 6483536 |
| pKa | 1.45±0.50(Predicted) |
| Storage Condition | 0-6°C |
| Refractive Index | 1.5200 (estimate) |
2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide - Risk and Safety
| Risk Codes | R43 - May cause sensitization by skin contact R50/53 - Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. R67 - Vapors may cause drowsiness and dizziness R65 - Harmful: May cause lung damage if swallowed R63 - Possible risk of harm to the unborn child R48/20 - R38 - Irritating to the skin R11 - Highly Flammable |
| Safety Description | S24 - Avoid contact with skin. S37 - Wear suitable gloves. S60 - This material and its container must be disposed of as hazardous waste. S61 - Avoid release to the environment. Refer to special instructions / safety data sheets. S62 - If swallowed, do not induce vomitting; seek medical advice immediately and show this container or label. S36/37 - Wear suitable protective clothing and gloves. |
| UN IDs | UN 3077 |
| WGK Germany | 2 |
2-Chloro-N-(2-ethyl-6-methylphenyl)-N-[(1S)-2-methoxy-1-methylethyl]acetamide - Reference Information
| Introduction | Isoolachlor is the active ingredient of Durr and is the most highly selective amide herbicide in the United States and North America. Its chemical name is 2-Methyl -6-ethyl-N-(1-methyl-2-methoxyethyl)-N-chloroacetylaniline. |
| effect | metolachlor is mainly absorbed by the base and buds of weeds, and conducts upward. by inhibiting the synthesis of germinating seed protein, it inhibits the penetration of choline and interferes with the synthesis of egg lipid, thereby inhibiting the growth of buds and roots. weeds are killed in the buds to achieve the purpose of preventing weeds, it can be applied to soybean, corn, cotton, cotton and other crop fields, and can prevent weeds such as crabgrass, barnyard grass, beef tendon grass, and golden tail grass. It also has a certain effect on broad-leaved weeds such as purslane and vegetable finding. It is one of the most important herbicides for many crops. |
| preparation | addition of amine ether (40g,0.1894mol), addition of sodium carbonate (11.2g,0.1042mol), addition of water 11.1g, stirring, dropwise addition of chloroacetyl chloride (22.7g,0.1988mol), continuous stirring after dropwise addition for 10 minutes, the conversion rate is 99.5%, then 30g of water is added for washing, and the upper layer of water is separated, the lower organic layer was dehydrated in vacuum to obtain 54g of metolachlor with a yield of 98.5% and a GC content of 98%. |
| biological activity | (S)-Metolachor is a derivative of aniline and a commonly used pesticide. |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 20:52:54
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