4-Cyanoindole
Also known as: 1H-Indole-4-carbonitrile, 4-cyano-1H-indole, Indole-4-carbonitrile, 4-cyano-indole, 4-Indolecarbonitrile, Indol-4-carbonitril
4-Cyanoindole (CAS 16136-52-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H6N2 and a molecular weight of 142.16 g/mol. Key properties include a melting point of 117-121 °C(lit.), a boiling point of 350.0±15.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 121.9±5.6 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H317 — May cause an allergic skin reaction. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16136-52-0
- Jingsj CID
- J-19129-7
- Molecular Formula
- C9H6N2
- Molecular Weight
- 142.16 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 117-121 °C(lit.) |
|---|---|
| Boiling Point | 350.0±15.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 121.9±5.6 °C |
| Exact Mass | 142.053101 |
| PSA | 39.58000 |
| LogP | 2.46 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.675 |
| Storage Conditions | −20°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H318 — Causes serious eye damage
- 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-Cyanoindole?
The CAS number of 4-Cyanoindole is 16136-52-0.
What are the molecular formula and molecular weight of 4-Cyanoindole?
4-Cyanoindole has molecular formula C9H6N2 and molecular weight 142.16 g/mol.
Is 4-Cyanoindole hazardous?
4-Cyanoindole has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H317 — May cause an allergic skin reaction.
What are the upstream and downstream products of 4-Cyanoindole?
For 4-Cyanoindole, Upstream Products: 4-Chloroindole, Zinc cyanide, 4-Chloro-1H-indole-2-carboxylic acid; Downstream Products: 4-Cyanogramine, 1H-Indole-4-methanamine, Methyl indole-4-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-Cyanoindole (CAS 16136-52-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19129-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.