Indole-3-acetaldehyde
Also known as: 2-(1H-indol-3-yl)acetaldehyde, 1H-Indole-3-acetaldehyde, 1H-Indol-3-ylacetaldehyde, 2-(3-Indolyl)acetaldehyde, indol-3-ylacetaldehyde, Indoleacetaldehyde
Indole-3-acetaldehyde (CAS 2591-98-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H9NO and a molecular weight of 159.18 g/mol. Key properties include a boiling point of 352.7±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 174.9±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2591-98-2
- Jingsj CID
- J-1955905-8
- Molecular Formula
- C10H9NO
- Molecular Weight
- 159.18 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 352.7±17.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 174.9±28.4 °C |
| Exact Mass | 159.068420 |
| PSA | 32.86000 |
| LogP | 1.70 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.652 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Lee JH, et al. Indole-3-acetaldehyde from Rhodococcus sp. BFI 332 inhibits Escherichia coli O157:H7 biofilm formation. Appl Microbiol Biotechnol. 2012;96(4):1071-1078. |
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 Indole-3-acetaldehyde?
The CAS number of Indole-3-acetaldehyde is 2591-98-2.
What are the molecular formula and molecular weight of Indole-3-acetaldehyde?
Indole-3-acetaldehyde has molecular formula C10H9NO and molecular weight 159.18 g/mol.
What are the upstream and downstream products of Indole-3-acetaldehyde?
For Indole-3-acetaldehyde, Upstream Products: Tryptophol, Methyl indole-3-acetate, Indole-3-acetonitrile; Downstream Products: Indole-3-carboxaldehyde, Quinoline-4-carbaldehyde, Indole-3-acetic 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. "Indole-3-acetaldehyde (CAS 2591-98-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1955905-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.