3-Iodophthalic anhydride
Also known as: 4-Iodo-2-benzofuran-1,3-dione, 4-Iodoisobenzofuran-1,3-dione, 4-Iodophthalic anhydride, 1,3-Isobenzofurandione, 4-iodo-
3-Iodophthalic anhydride (CAS 28418-88-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H3IO3 and a molecular weight of 274.012 g/mol. Key properties include a boiling point of 377.9±25.0 °C at 760 mmHg, a density of 2.2±0.1 g/cm3 and a flash point of 182.3±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 28418-88-4
- Jingsj CID
- J-1571854-4
- Molecular Formula
- C8H3IO3
- Molecular Weight
- 274.012 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 377.9±25.0 °C at 760 mmHg |
|---|---|
| Density | 2.2±0.1 g/cm3 |
| Flash Point | 182.3±23.2 °C |
| Exact Mass | 273.912689 |
| PSA | 43.37000 |
| LogP | 2.63 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.708 |
Customs & Trade Information
| HS Code | 2932999099 |
|---|---|
| Summary | 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 3-Iodophthalic anhydride?
The CAS number of 3-Iodophthalic anhydride is 28418-88-4.
What are the molecular formula and molecular weight of 3-Iodophthalic anhydride?
3-Iodophthalic anhydride has molecular formula C8H3IO3 and molecular weight 274.012 g/mol.
What are the upstream and downstream products of 3-Iodophthalic anhydride?
For 3-Iodophthalic anhydride, Upstream Products: 3-Iodophthalic acid, 1-Iodo-2,3-dimethylbenzene, 3-Aminophthalic 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. "3-Iodophthalic anhydride (CAS 28418-88-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1571854-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.