3,4,5-Triiodobenzoic acid

3,4,5-三碘苯甲酸

Also known as: 3,4,5-Triiodo-benzoic acid, 3,4,5-Triiodbenzoesaeure, 3,4,5-Trijod-benzoesaeure, BENZOIC ACID,3,4,5-TRIIODO, EINECS 219-050-1

3,4,5-Triiodobenzoic acid (CAS 2338-20-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3I3O2 and a molecular weight of 499.81100 g/mol. It is also known as 3,4,5-Triiodo-benzoic acid, 3,4,5-Triiodbenzoesaeure and 3,4,5-Trijod-benzoesaeure. Key properties include a melting point of 292-293ºC, a boiling point of 446.3ºC at 760 mmHg, a density of 2.971 g/cm3 and a flash point of 223.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2338-20-7
Jingsj CID
J-1103084-7
Molecular Formula
C7H3I3O2
Chinese Name
3,4,5-三碘苯甲酸
Molecular Weight
499.81100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point292-293ºC
Boiling Point446.3ºC at 760 mmHg
Density2.971 g/cm3
Flash Point223.7ºC

Frequently Asked Questions

What is the CAS number of 3,4,5-Triiodobenzoic acid?

The CAS number of 3,4,5-Triiodobenzoic acid is 2338-20-7.

What are the molecular formula and molecular weight of 3,4,5-Triiodobenzoic acid?

3,4,5-Triiodobenzoic acid has molecular formula C7H3I3O2 and molecular weight 499.81100 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3,4,5-Triiodobenzoic acid (CAS 2338-20-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1103084-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.