5-Sulfoisophthalic acid
5-磺酸基间苯二甲酸
Also known as: 5-SIPA, 5-sulfobenzene-1,3-dicarboxylic acid, 3,5-dicarboxybenzenesulfonic acid, 5-sulfo-1,3-benzenedicarboxylic acid, 5-sulphoisophthalic acid, 5-sulfaisophthalic acid, m-Phthalic-5-sulfonic acid
- CAS No.
- 22326-31-4
- Jingsj CID
- J-26386-5
- Molecular Formula
- C8H6O7S
- Chinese Name
- 5-磺酸基间苯二甲酸
- Molecular Weight
- 246.194 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 249-253 °C |
|---|---|
| Density | 1.8±0.1 g/cm3 |
Frequently Asked Questions
What is the CAS number of 5-Sulfoisophthalic acid?
22326-31-4
What are the molecular formula and molecular weight of 5-Sulfoisophthalic acid?
C8H6O7S, molecular weight 246.194 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026