5-Iodo-1H-indole-2,3-dione
Also known as: 5-Iodoisatin, 5-Iodo-2,3-indolinedione, 5-Iodoindole-2,3-dione, 5-iodo-2,3-dioxoindoline, 5-iodoindoline-2,3-dione, NSC 92515, EINECS 244-035-1, MFCD00016899, F0348-1933
5-Iodo-1H-indole-2,3-dione (CAS 20780-76-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H4INO2 and a molecular weight of 273.027 g/mol. Key properties include a melting point of 276-280 °C(lit.) and a density of 2.1±0.1 g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20780-76-1
- Jingsj CID
- J-1993989-0
- Molecular Formula
- C8H4INO2
- Molecular Weight
- 273.027 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 276-280 °C(lit.) |
|---|---|
| Density | 2.1±0.1 g/cm3 |
| Exact Mass | 272.928650 |
| PSA | 46.17000 |
| LogP | 1.59 |
| Refractive Index | 1.704 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933990090 |
|---|---|
| Summary | 2933990090. heterocyclic compounds with nitrogen 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 5-Iodo-1H-indole-2,3-dione?
The CAS number of 5-Iodo-1H-indole-2,3-dione is 20780-76-1.
What are the molecular formula and molecular weight of 5-Iodo-1H-indole-2,3-dione?
5-Iodo-1H-indole-2,3-dione has molecular formula C8H4INO2 and molecular weight 273.027 g/mol.
Is 5-Iodo-1H-indole-2,3-dione hazardous?
5-Iodo-1H-indole-2,3-dione has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of 5-Iodo-1H-indole-2,3-dione?
For 5-Iodo-1H-indole-2,3-dione, Upstream Products: isatin, 4-Iodoaniline, Chloral hydrate; Downstream Products: 5-Phenylisatin, Methyl 5-iodo-1H-indazole-3-carboxylate, 5-Fluoroisatin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Iodo-1H-indole-2,3-dione (CAS 20780-76-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993989-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.