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1H-Indole-4-carbaldehyde

Also known as: Indole-4-carboxaldehyde, 4-Formylindole, 4-Indolecarbaldehyde, 4-Indole-carboxaldehyde, Indole-4-carbaldehyde, 4-Formyl-1H-indole, NSC 337264

1H-Indole-4-carbaldehyde (CAS 1074-86-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H7NO and a molecular weight of 145.16 g/mol. Key properties include a melting point of 139-143 °C(lit.), a boiling point of 339.1±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 166.8±27.8 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, 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.
1074-86-8
Jingsj CID
J-19112-8
Molecular Formula
C9H7NO
Molecular Weight
145.16 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point139-143 °C(lit.)
Boiling Point339.1±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point166.8±27.8 °C
Exact Mass145.052765
PSA32.86000
LogP1.56
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.729

GHS Safety & Compliance

IrritantSignal word: Warning
  • H302 — Harmful if swallowed
  • H317 — May cause an allergic skin reaction
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 1H-Indole-4-carbaldehyde?

The CAS number of 1H-Indole-4-carbaldehyde is 1074-86-8.

What are the molecular formula and molecular weight of 1H-Indole-4-carbaldehyde?

1H-Indole-4-carbaldehyde has molecular formula C9H7NO and molecular weight 145.16 g/mol.

Is 1H-Indole-4-carbaldehyde hazardous?

1H-Indole-4-carbaldehyde has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 1H-Indole-4-carbaldehyde?

For 1H-Indole-4-carbaldehyde, Upstream Products: 1H-Indol-4-ylmethanol, Tetrapropylammonium perruthenate, 4-Cyanoindole; Downstream Products: 4-(2-Nitrovinyl)indole, 1H-Indole-4-methanamine, 1-ethyl-1H-indole-4-carbaldehyde.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "1H-Indole-4-carbaldehyde (CAS 1074-86-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19112-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.