Monosodium 5-sulfoisophthalate
5-磺基-1,3-苯二甲酸钠
Also known as: 5-Sulfoisophthalic acid monosodium salt, 5-Sulfoisophthalic acid sodium salt, Sodium 5-sulfoisophthalate, Sodium 5-sulfo-1,3-benzenedicarboxylate, 5-Sodiosulfoisophthalic acid, 1,3-Benzenedicarboxylic acid, 5-sulfo-, monosodium salt, EINECS 232-255-0
Monosodium 5-sulfoisophthalate (CAS 7800-91-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H5NaO7S and a molecular weight of 268.17600 g/mol. It is also known as 5-Sulfoisophthalic acid monosodium salt, 5-Sulfoisophthalic acid sodium salt and Sodium 5-sulfoisophthalate. Key property: a melting point of 373-375ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 7800-91-1
- Jingsj CID
- J-1514750-3
- Molecular Formula
- C8H5NaO7S
- Chinese Name
- 5-磺基-1,3-苯二甲酸钠
- Molecular Weight
- 268.17600 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 373-375ºC |
|---|
Frequently Asked Questions
What is the CAS number of Monosodium 5-sulfoisophthalate?
The CAS number of Monosodium 5-sulfoisophthalate is 7800-91-1.
What are the molecular formula and molecular weight of Monosodium 5-sulfoisophthalate?
Monosodium 5-sulfoisophthalate has molecular formula C8H5NaO7S and molecular weight 268.17600 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Monosodium 5-sulfoisophthalate (CAS 7800-91-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1514750-3 (accessed 2026-10-26).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.