trans-4-Methoxycinnamaldehyde

Also known as: (E)-4-Methoxycinnamaldehyde, 3-(4-Methoxyphenyl)-2-propenal, (2E)-3-(4-Methoxyphenyl)acrylaldehyde, p-Methoxycinnamaldehyde, para-Methoxycinnamaldehyde, FEMA 3567, MFCD00017343, EINECS 217-807-0, trans-p-Methoxycinnamaldehyde

trans-4-Methoxycinnamaldehyde (CAS 24680-50-0) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C10H10O2 and a molecular weight of 162.18500 g/mol. Key properties include a melting point of 141ºC, a boiling point of 145ºC7 mm Hg(lit.), a density of 1.068g/cm3 and a flash point of 146.5ºC. 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.: 24680-50-0
Jingsj CID: J-13849-8
Molecular Formula: C₁₀H₁₀O₂
Molecular Weight: 162.18500 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	141ºC
Boiling Point	145ºC7 mm Hg(lit.)
Density	1.068g/cm3
Flash Point	146.5ºC
Exact Mass	162.06800
PSA	26.30000
LogP	1.90730
Appearance	Crystalline Powder or Chunks \| Orange-yellow
Refractive Index	1.6000 (estimate)
Additional Property	Insoluble in water.

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of trans-4-Methoxycinnamaldehyde?

The CAS number of trans-4-Methoxycinnamaldehyde is 24680-50-0.

What are the molecular formula and molecular weight of trans-4-Methoxycinnamaldehyde?

trans-4-Methoxycinnamaldehyde has molecular formula C10H10O2 and molecular weight 162.18500 g/mol.

Is trans-4-Methoxycinnamaldehyde hazardous?

trans-4-Methoxycinnamaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated: 8/21/2026

How to cite: Jingsj. "trans-4-Methoxycinnamaldehyde (CAS 24680-50-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13849-8 (accessed 2026-11-09).

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