3,5-disulfophthalic acid

Base Information

• Chemical Name: 3,5-disulfophthalic acid
• CAS No.: 216451-89-7
• Molecular Formula: C₈H₆O₁₀S₂
• Molecular Weight: 326.262
• Mol file: 216451-89-7.mol

Synonyms:3,5-disulfophthalic acid

Chemical Property of 3,5-disulfophthalic acid

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 3,5-disulfophthalic acid

There total 5 articles about 3,5-disulfophthalic 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:

phthalic anhydride (85-44-9) → 4-sulfophthalic acid (89-08-7) + 3,5-disulfophthalic acid (216451-89-7)

Guidance literature:

With sulfuric acid; mercury(II) sulfate; at 200 ℃;

Reference yield:

→ 3,5-disulfophthalic acid (216451-89-7)

Guidance literature:

With sulfuric acid; at 200 ℃;

Reference yield:

2-naphthol-6,8-disulfonic acid (118-32-1) → 3,5-disulfophthalic acid (216451-89-7)

Guidance literature:

Multi-step reaction with 3 steps

1.1: KMnO₄; KOH / H₂O / 0.5 h / 90 - 95 °C / pH 8 - 9

1.2: aq. HCl / pH 4 - 5

2.1: HSO₃Cl / 3 h / 130 - 135 °C

3.1: 8.8 g / H₂O / Heating

With chlorosulfonic acid; potassium hydroxide; potassium permanganate; water; In water;

DOI:10.1134/S1070363206080317

upstream raw materials:

phthalic anhydride

C₈H₂Cl₄O₆S₂

2-naphthol-6,8-disulfonic acid

Refernces