4-Sulfophthalic acid
Also known as: 4-Sulphophthalic acid, 4-sulfo-1,2-benzenedicarboxylic acid, EINECS 201-881-6, MFCD00007494, 4-Sulfophthalic acid (ca. 50% in water)
4-Sulfophthalic acid (CAS 89-08-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O7S and a molecular weight of 246.19400 g/mol. Key property: a density of 1.292 g/mL at 25 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89-08-7
- Jingsj CID
- J-42779-2
- Molecular Formula
- C8H6O7S
- Molecular Weight
- 246.19400 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Density | 1.292 g/mL at 25 °C |
|---|---|
| Exact Mass | 245.98300 |
| PSA | 137.35000 |
| LogP | 1.41050 |
| Refractive Index | n20/D 1.447 |
GHS Safety & Compliance
- H314 — Causes severe skin burns and eye damage
Customs & Trade Information
| HS Code | 2917399090 |
|---|---|
| Summary | 2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Sulfophthalic acid?
The CAS number of 4-Sulfophthalic acid is 89-08-7.
What are the molecular formula and molecular weight of 4-Sulfophthalic acid?
4-Sulfophthalic acid has molecular formula C8H6O7S and molecular weight 246.19400 g/mol.
Is 4-Sulfophthalic acid hazardous?
4-Sulfophthalic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.
What are the upstream and downstream products of 4-Sulfophthalic acid?
For 4-Sulfophthalic acid, Upstream Products: Phthalic anhydride, Flavianic acid, Phthalic acid; Downstream Products: 5-hydroxyisobenzofuran-1,3-dione, Isophthalic acid, Trimellitic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Sulfophthalic acid (CAS 89-08-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42779-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.