4-Aminoindole
Also known as: 1H-Indol-4-amine, 4-Indolamine, (Indol-4-yl)amine, 4-Amino-1H-indole, 1H-indol-4-ylamine
4-Aminoindole (CAS 5192-23-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C8H8N2 and a molecular weight of 132.163 g/mol. Key properties include a melting point of 106-109 °C(lit.), a boiling point of 354.0±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 195.0±7.6 °C. 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.
- 5192-23-4
- Jingsj CID
- J-1002629-6
- Molecular Formula
- C8H8N2
- Molecular Weight
- 132.163 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 106-109 °C(lit.) |
|---|---|
| Boiling Point | 354.0±15.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 195.0±7.6 °C |
| Exact Mass | 132.068741 |
| PSA | 41.81000 |
| LogP | 0.86 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.758 |
| 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 4-Aminoindole?
The CAS number of 4-Aminoindole is 5192-23-4.
What are the molecular formula and molecular weight of 4-Aminoindole?
4-Aminoindole has molecular formula C8H8N2 and molecular weight 132.163 g/mol.
Is 4-Aminoindole hazardous?
4-Aminoindole 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 4-Aminoindole?
For 4-Aminoindole, Upstream Products: 4-Nitroindole, Iron, 2,3-dihydro-1H-indol-4-amine; Downstream Products: 4-Nitroindole, 4-(Piperazin-1-yl)-1H-indole, tert-Butyl 4-amino-1H-indole-1-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Aminoindole (CAS 5192-23-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1002629-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.