2,4-Dichloro-5-thiazolecarboxylic acid

Base Information

• Chemical Name: 2,4-Dichloro-5-thiazolecarboxylic acid
• CAS No.: 62019-56-1
• Molecular Formula: C₄HCl₂NO₂S
• Molecular Weight: 198.029
• Hs Code.: 2934100090
• European Community (EC) Number: 865-946-6
• DSSTox Substance ID: DTXSID70490893
• Nikkaji Number: J449.910G
• Wikidata: Q72468310
• Mol file: 62019-56-1.mol

Synonyms:62019-56-1;2,4-Dichloro-5-thiazolecarboxylic acid;2,4-dichlorothiazole-5-carboxylic acid;2,4-Dichloro-1,3-thiazole-5-carboxylic acid;MFCD09909676;2,4-dichloro-thiazole-5-carboxylic acid;5-Thiazolecarboxylic acid, 2,4-dichloro-;dichloro-1,3-thiazole-5-carboxylic acid;SCHEMBL289975;DTXSID70490893;AMEPJXXVIJZMJL-UHFFFAOYSA-N;AKOS002676289;CS-W006578;5-Thiazolecarboxylic acid,2,4-dichloro-;DS-10478;SY033987;FT-0647774;EN300-42298;2 pound not4-Dichloro-5-thiazolecarboxylicacid;2 pound not4-Dichlorothiazole-5-carboxylic acid;A833538;Z425813688

Chemical Property of 2,4-Dichloro-5-thiazolecarboxylic acid

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Refractive Index: 1.647
• Boiling Point: 385.016 °C at 760 mmHg
• PKA: 1.05±0.28(Predicted)
• Flash Point: 186.651 °C
• Density: 1.824 g/cm³
• Storage Temp.: under inert gas (nitrogen or Argon) at 2-8°C
• XLogP3: 2.7
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 1
• Exact Mass: 196.9105048
• Heavy Atom Count: 10
• Complexity: 156

Purity/Quality:

99% ^*data from raw suppliers

2,4-Dichloro-5-thiazolecarboxylicacid ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1(=C(N=C(S1)Cl)Cl)C(=O)O

Technology Process of 2,4-Dichloro-5-thiazolecarboxylic acid

There total 2 articles about 2,4-Dichloro-5-thiazolecarboxylic acid 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: 88.0%

2,4-dichlorothiazole-5-carboxaldehyde (92972-48-0) → 2,4-dichloro-thiazole-5-carboxylic acid (62019-56-1)

Guidance literature:

With sodium chlorite; aminosulfonic acid; water; In tetrahydrofuran; at 20 ℃; for 2h;

Reference yield:

carbon dioxide (124-38-9,18923-20-1) + 2,4-dichlorothiazole (4175-76-2) → 2,4-dichloro-thiazole-5-carboxylic acid (62019-56-1)

Guidance literature:

With lithium diisopropyl amide; Yield given. Multistep reaction; 1) THF, hexane, -78 deg C, 30 min, 2) THF;

Reference yield: 79.0%

2,4-dichloro-thiazole-5-carboxylic acid (62019-56-1) + methyl iodide (74-88-4) → methyl 2,4-dichlorothiazole-5-carboxylate (861708-66-9)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 5h;

upstream raw materials:

carbon dioxide

2,4-dichlorothiazole

2,4-dichlorothiazole-5-carboxaldehyde

Downstream raw materials:

2,4-dichloro-5-(trifluoromethyl)thiazole

methyl 2,4-dichlorothiazole-5-carboxylate

Refernces

• 1、 -. "INSECTICIDALLY ACTIVE THIAZOLE DERIVATIVES". Page/Page column 19; 37-38. . Retrieved 2013/11/05.
• 2、 -. "NOVEL INSECTICIDES". Page/Page column 49-50. . Retrieved 2013/02/27.