5-Bromo-2-oxindole
Also known as: 5-Bromo-1,3-dihydro-2H-indol-2-one, 5-Bromoindolin-2-one, 5-Bromo-2-oxo-1,2-dihydro-indole, 5-Bromo-2-indolinone, 5-Bromooxindole, 5-Bromo-2-oxyindole, MFCD00456998
5-Bromo-2-oxindole (CAS 20870-78-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H6BrNO and a molecular weight of 212.04 g/mol. Key properties include a melting point of 220-224 °C(lit.), a boiling point of 362.5±42.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 173.0±27.9 °C. It is classified under GHS with signal word Warning and hazard statements H317 — May cause an allergic skin reaction and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 20870-78-4
- Jingsj CID
- J-5327-0
- Molecular Formula
- C8H6BrNO
- Molecular Weight
- 212.04 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 220-224 °C(lit.) |
|---|---|
| Boiling Point | 362.5±42.0 °C at 760 mmHg |
| Density | 1.7±0.1 g/cm3 |
| Flash Point | 173.0±27.9 °C |
| Exact Mass | 210.963272 |
| PSA | 29.10000 |
| LogP | 2.36 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.625 |
GHS Safety & Compliance
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 5-Bromo-2-oxindole?
The CAS number of 5-Bromo-2-oxindole is 20870-78-4.
What are the molecular formula and molecular weight of 5-Bromo-2-oxindole?
5-Bromo-2-oxindole has molecular formula C8H6BrNO and molecular weight 212.04 g/mol.
Is 5-Bromo-2-oxindole hazardous?
5-Bromo-2-oxindole has GHS signal word Warning and hazard statements H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 5-Bromo-2-oxindole?
For 5-Bromo-2-oxindole, Upstream Products: Oxindole, 5-Bromoisatin, isatin; Downstream Products: tert-Butyl 5-bromo-2-oxo-1,2-dihydrospiro[indole-3,4'-piperidine]-1'-carboxylate, 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)indolin-2-one, Kenpaullone.
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-Bromo-2-oxindole (CAS 20870-78-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5327-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.