2-Carboxy-5-nitrobenzenesulfonic acid potassium salt

Base Information

• Chemical Name: 2-Carboxy-5-nitrobenzenesulfonic acid potassium salt
• CAS No.: 5344-48-9
• Molecular Formula: C7H4KNO7S
• Molecular Weight: 285.276
• Hs Code.: 2916399090
• Mol file: 5344-48-9.mol

Synonyms:Benzoicacid, 4-nitro-2-sulfo-, monopotassium salt (9CI);

Chemical Property of 2-Carboxy-5-nitrobenzenesulfonic acid potassium salt

Chemical Property:

• Appearance/Colour: Light yellow powder
• Refractive Index: 1.643
• PSA: 148.70000
• Density: 1.809g/cm³
• LogP: 1.80110
• Storage Temp.: Inert atmosphere,Room Temperature

Purity/Quality:

99.9% ^*data from raw suppliers

Potassium4-nitro-2-sulfonatobenzoate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: Potassium 2-Carboxy-5-nitrobenzenesulfonate is an intermediate in the synthesis of N,N-Dimethyl-2-aminosulfonyl-4-formamidobenzamide (D896870), a key intermediate in the preparation of the sulfonylurea herbicide Foramsulfuron (F685003).

Technology Process of 2-Carboxy-5-nitrobenzenesulfonic acid potassium salt

There total 3 articles about 2-Carboxy-5-nitrobenzenesulfonic acid potassium salt 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: 96.0%

4,4'-dinitrostilbene 2,2'-disulfonic acid (1211962-72-9,128-42-7) → potassium 5-nitro-2-carboxybenzenesulfonate (5344-48-9)

Guidance literature:

With potassium hydroxide; potassium permanganate; In water; at 90 - 100 ℃; for 2h;

DOI:10.1016/j.bmcl.2008.05.083

Reference yield:

aqueous potassium hydroxide + aqueous sodium hypochlorite + 4-nitrotoluene-2-sulfonic acid (121-03-9) → potassium 5-nitro-2-carboxybenzenesulfonate (5344-48-9)

Guidance literature:

With potassium chloride;

Reference yield:

→ 4-nitro-2-sulfobenzoic acid potassium salt (5344-48-9)

Guidance literature:

upstream raw materials:

4-nitrotoluene-2-sulfonic acid

4,4'-dinitrostilbene 2,2'-disulfonic acid

Downstream raw materials:

2-chlorosulfonyl-4-nitro-benzoyl chloride