2-Iodosobenzoic acid
Also known as: 2-Iodosylbenzoic acid, 1-Hydroxy-1,2-benziodoxol-3(1H)-one, o-Iodosobenzoic acid, o-Iodosylbenzoic acid, Iodosobenzoic acid, Iodosylbenzoic acid, 2-iodosylbenzoic acid, Benzoic acid, 2-iodosyl-
2-Iodosobenzoic acid (CAS 304-91-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H5IO3 and a molecular weight of 264.017 g/mol. Key property: a melting point of 230 °C (dec.)(lit.). It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 304-91-6
- Jingsj CID
- J-29195-2
- Molecular Formula
- C7H5IO3
- Molecular Weight
- 264.017 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 230 °C (dec.)(lit.) |
|---|---|
| Exact Mass | 263.928314 |
| PSA | 54.37000 |
| LogP | -1.93 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2916399090 |
|---|---|
| Summary | 2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Iodosobenzoic acid?
The CAS number of 2-Iodosobenzoic acid is 304-91-6.
What are the molecular formula and molecular weight of 2-Iodosobenzoic acid?
2-Iodosobenzoic acid has molecular formula C7H5IO3 and molecular weight 264.017 g/mol.
Is 2-Iodosobenzoic acid hazardous?
2-Iodosobenzoic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Iodosobenzoic acid?
For 2-Iodosobenzoic acid, Downstream Products: Furo[2,3-b]pyridine-5-carboxaldehyde (9CI), 2-Iodobenzoic acid, Salicylic 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. "2-Iodosobenzoic acid (CAS 304-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29195-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.