Metolachlor
Also known as: 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-(2-methoxy-1-methylethyl)acetamide, 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-(1-methoxypropan-2-yl)acetamide, 2-Chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)acet-o-toluidide, 2-Chloro-N-(2-ethyl-6-methylphenyl)-N-(1-methoxy-2-propanyl)acetamide, α-Chloro-2'-ethyl-6'-methyl-N-(1-methyl-2-methoxyethyl)acetanilide, 2-chloro-N-(6-ethyl-o-tolyl)-N-(2-methoxy-1-methylethyl)acetamide, 2-chloro-6'-ethyl-N-(2-methoxy-1-methylethyl)-o-acetotoluidine, 2-ethyl-6-methyl-1-n-(2-methoxy-1-methylethyl)chloroacetanilide, Bicep, CGA-24705, Dual, Pennant, Primagram, Primextra, Metolachlor [ANSI, WSSA], CG-119, Cotoran multi, EINECS 257-060-8, MFCD00055293
Metolachlor (CAS 51218-45-2) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C15H22ClNO2 and a molecular weight of 283.794 g/mol. Key properties include a melting point of -62.1 °C, a boiling point of 406.8±45.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 199.8±28.7 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 51218-45-2
- Jingsj CID
- J-25796-9
- Molecular Formula
- C15H22ClNO2
- Molecular Weight
- 283.794 g/mol
- Category
- Organic Bases
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -62.1 °C |
|---|---|
| Boiling Point | 406.8±45.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 199.8±28.7 °C |
| Exact Mass | 283.133911 |
| PSA | 29.54000 |
| LogP | 3.00 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.533 |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
Activity & Biological Data
| Additional Information | [1]. Jingqian Xie, et al. Metolachlor Stereoisomers: Enantioseparation, Identification and Chiral Stability. J Chromatogr A. 2016 Sep 9;1463:42-8. [2]. D M Stamper, et al. Biodegradation of the Acetanilide Herbicides Alachlor, Metolachlor, and Propachlor. Crit Rev Microbiol. 1998;24(1):1-22. |
|---|
Customs & Trade Information
| HS Code | 2924299017 |
|---|---|
| Summary | 2924299017 2-chloro-n-(2-ethyl-6-methylphenyl)-n-(1-methoxypropan-2-yl)acetamide。supervision conditions:s(import or export registration certificate for pesticides)。VAT:17.0%。tax rebate rate:9.0%。MFN tarrif:6.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Metolachlor?
The CAS number of Metolachlor is 51218-45-2.
What are the molecular formula and molecular weight of Metolachlor?
Metolachlor has molecular formula C15H22ClNO2 and molecular weight 283.794 g/mol.
Is Metolachlor hazardous?
Metolachlor has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of Metolachlor?
For Metolachlor, Upstream Products: Chloroacetyl chloride, 2-Ethyl-6-methylaniline.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Metolachlor (CAS 51218-45-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-25796-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.