1,2-Diphenyl-1H-indole
Also known as: 1,2-Diphenylindole, 1H-Indole, 1,2-diphenyl-, N-phenyl-2-phenylindole, 1,2-Diphenyl-indol, MFCD00033491
1,2-Diphenyl-1H-indole (CAS 18434-12-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H15N and a molecular weight of 269.34000 g/mol. Key properties include a boiling point of 451.2ºC at 760mmHg, a density of 1.07g/cm3 and a flash point of 226.6ºC. 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.
- 18434-12-3
- Jingsj CID
- J-10472-3
- Molecular Formula
- C20H15N
- Molecular Weight
- 269.34000 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 451.2ºC at 760mmHg |
|---|---|
| Density | 1.07g/cm3 |
| Flash Point | 226.6ºC |
| Exact Mass | 269.12000 |
| PSA | 4.93000 |
| LogP | 5.29750 |
| Vapor Pressure | 0mmHg at 25°C |
| Refractive Index | 1.441 |
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 1,2-Diphenyl-1H-indole?
The CAS number of 1,2-Diphenyl-1H-indole is 18434-12-3.
What are the molecular formula and molecular weight of 1,2-Diphenyl-1H-indole?
1,2-Diphenyl-1H-indole has molecular formula C20H15N and molecular weight 269.34000 g/mol.
Is 1,2-Diphenyl-1H-indole hazardous?
1,2-Diphenyl-1H-indole 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 1,2-Diphenyl-1H-indole?
For 1,2-Diphenyl-1H-indole, Upstream Products: 1-Bromo-2-(phenylethynyl)benzene, 1,2-Dibromobenzene, 1,2-Dichlorobenzene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2-Diphenyl-1H-indole (CAS 18434-12-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10472-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.