5-Chloro-1H-indole-2,3-dione
Also known as: 5-Chloroisatin, 5-Chloroindolin-2,3-dione, 1H-Indole-2,3-dione, 5-chloro-, 5-Chloro-1H-indole-2,3-dione, NSC 135811
5-Chloro-1H-indole-2,3-dione (CAS 17630-76-1) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H4ClNO2 and a molecular weight of 181.576 g/mol. Key properties include a melting point of 254-258 °C(lit.) and a density of 1.5±0.1 g/cm3. 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.
- 17630-76-1
- Jingsj CID
- J-1135730-5
- Molecular Formula
- C8H4ClNO2
- Molecular Weight
- 181.576 g/mol
- Category
- Organohalogen Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 254-258 °C(lit.) |
|---|---|
| Density | 1.5±0.1 g/cm3 |
| Exact Mass | 180.993057 |
| PSA | 46.17000 |
| LogP | 1.15 |
| Refractive Index | 1.626 |
| Additional Property | insoluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- 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-Chloro-1H-indole-2,3-dione?
The CAS number of 5-Chloro-1H-indole-2,3-dione is 17630-76-1.
What are the molecular formula and molecular weight of 5-Chloro-1H-indole-2,3-dione?
5-Chloro-1H-indole-2,3-dione has molecular formula C8H4ClNO2 and molecular weight 181.576 g/mol.
Is 5-Chloro-1H-indole-2,3-dione hazardous?
5-Chloro-1H-indole-2,3-dione 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 5-Chloro-1H-indole-2,3-dione?
For 5-Chloro-1H-indole-2,3-dione, Upstream Products: Chloral hydrate, 4-Chloroaniline, isatin; Downstream Products: cyclohexylmethylmagnesium bromide, 5-Chloroisatoic anhydride, 6-Chloro-2-(thiophen-2-yl)quinoline-4-carboxylic 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. "5-Chloro-1H-indole-2,3-dione (CAS 17630-76-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1135730-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.