4-Sulfophthalic anhydride

Base Information

• Chemical Name: 4-Sulfophthalic anhydride
• CAS No.: 134-08-7
• Molecular Formula: C8H4 O6 S
• Molecular Weight: 228.182
• Hs Code.: 2932999099
• European Community (EC) Number: 205-128-2
• NSC Number: 26435
• DSSTox Substance ID: DTXSID8059637
• Nikkaji Number: J184.385K
• Wikidata: Q81988902
• Mol file: 134-08-7.mol

Synonyms:4-Sulfophthalic anhydride;134-08-7;4-Sulphophthalic anhydride;1,3-dioxo-2-benzofuran-5-sulfonic acid;5-Isobenzofuransulfonic acid, 1,3-dihydro-1,3-dioxo-;Phthalic anhydride, 4-sulfo-;EINECS 205-128-2;NSC 26435;1,3-dioxo-1,3-dihydro-2-benzofuran-5-sulfonic acid;1,3-dioxo-1,3-dihydroisobenzofuran-5-sulfonic acid;SCHEMBL2281729;DTXSID8059637;NSC26435;4-Sulfophthalic acid 1,2-anhydride;NSC-26435;AKOS015856635;1,3-dioxoisobenzofuran-5-sulfonic acid;5-Isobenzofuransulfonic acid,3-dihydro-1,3-dioxo-

Chemical Property of 4-Sulfophthalic anhydride

Chemical Property:

• Boiling Point: °Cat760mmHg
• Flash Point: °C
• PSA: 106.12000
• Density: 1.82g/cm³
• LogP: 1.32470
• XLogP3: 0
• Hydrogen Bond Donor Count: 1
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 1
• Exact Mass: 227.97285902
• Heavy Atom Count: 15
• Complexity: 405

Purity/Quality:

98%min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=CC2=C(C=C1S(=O)(=O)O)C(=O)OC2=O
• Uses: 4-sulphophthalic anhydride can be used in wetting, cleansing, emulsifying, softening, and equalizing agents with textiles. Derivatives have application as surface-active agents.

Technology Process of 4-Sulfophthalic anhydride

There total 2 articles about 4-Sulfophthalic anhydride 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-sulpho-phthalic anhydride (134-08-7)

Guidance literature:

With sulfur trioxide; at 140 ℃;

Reference yield:

phthalic anhydride (85-44-9) + sulfur trioxide (7446-11-9) → 4-sulpho-phthalic anhydride (134-08-7)

Guidance literature:

at 200 ℃;

Reference yield:

4-sulpho-phthalic anhydride (134-08-7) → 4-hydroxyphthalic acid (610-35-5)

Guidance literature:

With sodium hydroxide; at 175 ℃; for 2.5h; Yield given;

upstream raw materials:

phthalic anhydride

sulfur trioxide

Downstream raw materials:

4-hydroxyphthalic acid

2-sulfo-anthraquinone

5-methoxyisobenzofuran-1,3-dione

4-methoxyphthalic acid