Diiodoacetic acid
Also known as: 2,2-diiodoacetic acid, Acetic acid, 2,2-diiodo-, Diiodoethanoic acid
Diiodoacetic acid (CAS 598-89-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C2H2I2O2 and a molecular weight of 311.845 g/mol. Key properties include a boiling point of 320.1±32.0 °C at 760 mmHg, a density of 3.3±0.1 g/cm3 and a flash point of 147.4±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 598-89-0
- Jingsj CID
- J-1957650-2
- Molecular Formula
- C2H2I2O2
- Molecular Weight
- 311.845 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 320.1±32.0 °C at 760 mmHg |
|---|---|
| Density | 3.3±0.1 g/cm3 |
| Flash Point | 147.4±25.1 °C |
| Exact Mass | 311.814392 |
| PSA | 37.30000 |
| LogP | 2.21 |
| Vapor Pressure | 0.0±1.5 mmHg at 25°C |
| Refractive Index | 1.760 |
Activity & Biological Data
| Additional Information | [1]. Runmiao Xue, et al. Evaluation of thirteen haloacetic acids and ten trihalomethanes formation by peracetic acid and chlorine drinking water disinfection. Chemosphere. 2017 Dec;189:349-356. |
|---|
Customs & Trade Information
| HS Code | 2915900090 |
|---|---|
| Summary | 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Diiodoacetic acid?
The CAS number of Diiodoacetic acid is 598-89-0.
What are the molecular formula and molecular weight of Diiodoacetic acid?
Diiodoacetic acid has molecular formula C2H2I2O2 and molecular weight 311.845 g/mol.
What are the upstream and downstream products of Diiodoacetic acid?
For Diiodoacetic acid, Upstream Products: Malonic acid, Water, Iodic acid; Downstream Products: Dibromoacetic acid, Bromoiodoacetic 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. "Diiodoacetic acid (CAS 598-89-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1957650-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.