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3-Phenylpropionaldehyde

Also known as: 3-Phenylpropanal, Hydrocinnamaldehyde, Benzylacetaldehyde, Dihydrocinnamaldehyde, β-Phenylpropionaldehyde, Hydrocinnamic aldehyde, Phenylpropyl aldehyde

3-Phenylpropionaldehyde (CAS 104-53-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H10O and a molecular weight of 134.175 g/mol. Key properties include a melting point of -42 °C, a boiling point of 217.7±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 95.0±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
104-53-0
Jingsj CID
J-1517309-6
Molecular Formula
C9H10O
Molecular Weight
134.175 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-42 °C
Boiling Point217.7±0.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point95.0±0.0 °C
Exact Mass134.073166
PSA17.07000
LogP2.04
Vapor Pressure0.1±0.4 mmHg at 25°C
Refractive Index1.509

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation

Customs & Trade Information

HS Code2912299000
Summary2912299000. other cyclic aldehydes without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Phenylpropionaldehyde?

The CAS number of 3-Phenylpropionaldehyde is 104-53-0.

What are the molecular formula and molecular weight of 3-Phenylpropionaldehyde?

3-Phenylpropionaldehyde has molecular formula C9H10O and molecular weight 134.175 g/mol.

Is 3-Phenylpropionaldehyde hazardous?

3-Phenylpropionaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 3-Phenylpropionaldehyde?

For 3-Phenylpropionaldehyde, Upstream Products: Cinnamaldehyde, 3-Phenylpropanoyl chloride, trans-Cinnamaldehyde; Downstream Products: 1-(3-phenylpropyl)piperidin-4-one, (-)-norephedrine, 3-Phenyl-1-propylboronic acid pinacol ester.

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

Last updated:

How to cite: Jingsj. "3-Phenylpropionaldehyde (CAS 104-53-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517309-6 (accessed 2026-11-07).

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