CLOPYRALID METHYL ESTER

Base Information

• Chemical Name: CLOPYRALID METHYL ESTER
• CAS No.: 1532-24-7
• Molecular Formula: C7H5 Cl2 N O2
• Molecular Weight: 206.028
• Hs Code.: 2933399090
• Mol file: 1532-24-7.mol

Synonyms:Picolinicacid, 3,6-dichloro-, methyl ester (7CI,8CI); 3,6-Dichloro-2-pyridinecarboxylicacid methyl ester; 3,6-Dichloropicolinic acid methyl ester; Clopyralid methylester; Clopyralid-methyl; Methyl 3,6-dichloro-2-pyridinecarboxylate; Methyl3,6-dichloropicolinate

Chemical Property of CLOPYRALID METHYL ESTER

Chemical Property:

• Vapor Pressure: 0.00147mmHg at 25°C
• Melting Point: 53-54 °C
• Refractive Index: 1.548
• Boiling Point: 296°Cat760mmHg
• PKA: -3.63±0.10(Predicted)
• Flash Point: 132.8°C
• PSA: 39.19000
• Density: 1.426g/cm³
• LogP: 2.17500
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C

Purity/Quality:

98%,99%, ^*data from raw suppliers

Methyl3,6-dichloropyridine-2-carboxylate ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of CLOPYRALID METHYL ESTER

There total 4 articles about CLOPYRALID METHYL ESTER which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 90.1%

Clopyralid (1702-17-6) + dimethyl sulfate (77-78-1) → methyl 3,6-dichloro-2-pyridinecarboxylate (1532-24-7)

Guidance literature:

With potassium carbonate; In acetone; at 40 ℃; for 8h;

DOI:10.3390/ijms22052367

Reference yield:

methanol (67-56-1) + Clopyralid (1702-17-6) → methyl 3,6-dichloro-2-pyridinecarboxylate (1532-24-7)

Guidance literature:

With sulfuric acid; at 80 ℃; for 4h;

Reference yield:

Clopyralid (1702-17-6) → methyl 3,6-dichloro-2-pyridinecarboxylate (1532-24-7)

Guidance literature:

With sodium hydrogencarbonate; In methanol; diethyl ether;

upstream raw materials:

Clopyralid

methanol

dimethyl sulfate

Downstream raw materials:

methyl 3-chloro-6-(trifluoromethyl)picolinate

Refernces

• 1、 -. "Benzimidazole derivative as well as preparation method and application thereof". Paragraph 0076; 0086-0089. . Retrieved 2021/05/22.
• 2、 -. "PESTICIDALLY ACTIVE POLYCYCLIC DERIVATIVES WITH SULFUR CONTAINING SUBSTITUENTS". Page/Page column 48-49. . Retrieved 2018/06/12.