4,5,6,7-Tetraiodoisobenzofuran-1,3-dione
四碘邻苯二甲酸酐
Also known as: Tetraiodophthalic anhydride, 1,3-Isobenzofurandione, 4,5,6,7-tetraiodo-, 3,4,5,6-Tetraiodophthalic anhydride, 4,5,6,7-tetraiodo-1,3-isobenzofurandione, 4,5,6,7-tetraiodo-2-benzofuran-1,3-dione, 4,5,6,7-tetraiodoisobenzofuran-1,3-quinone, Phthalic anhydride, tetraiodo-, NSC 26423
4,5,6,7-Tetraiodoisobenzofuran-1,3-dione (CAS 632-80-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8I4O3 and a molecular weight of 651.70200 g/mol. It is also known as Tetraiodophthalic anhydride, 1,3-Isobenzofurandione, 4,5,6,7-tetraiodo- and 3,4,5,6-Tetraiodophthalic anhydride. Key properties include a melting point of 327-328ºC, a boiling point of 584.2ºC at 760 mmHg, a density of 34.61 10-24cm3 and a flash point of 307.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 632-80-4
- Jingsj CID
- J-1383798-9
- Molecular Formula
- C8I4O3
- Chinese Name
- 四碘邻苯二甲酸酐
- Molecular Weight
- 651.70200 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 327-328ºC |
|---|---|
| Boiling Point | 584.2ºC at 760 mmHg |
| Density | 34.61 10-24cm3 |
| Flash Point | 307.1ºC |
Frequently Asked Questions
What is the CAS number of 4,5,6,7-Tetraiodoisobenzofuran-1,3-dione?
The CAS number of 4,5,6,7-Tetraiodoisobenzofuran-1,3-dione is 632-80-4.
What are the molecular formula and molecular weight of 4,5,6,7-Tetraiodoisobenzofuran-1,3-dione?
4,5,6,7-Tetraiodoisobenzofuran-1,3-dione has molecular formula C8I4O3 and molecular weight 651.70200 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,5,6,7-Tetraiodoisobenzofuran-1,3-dione (CAS 632-80-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1383798-9 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.