Cinnamaldehyde
Also known as: Cinnamic aldehyde, 3-Phenyl-2-propenal, trans-Cinnamaldehyde, (E)-3-Phenyl-2-propenal, β-Phenylacrolein, FEMA 2286, Cinnamyl aldehyde
Cinnamaldehyde (CAS 104-55-2) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H8O and a molecular weight of 132.159 g/mol. Key properties include a melting point of -7.5ºC, a boiling point of 246.8±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 71.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, 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.
- 104-55-2
- Jingsj CID
- J-43532-7
- Molecular Formula
- C9H8O
- Molecular Weight
- 132.159 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -7.5ºC |
|---|---|
| Boiling Point | 246.8±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 71.1±0.0 °C |
| Exact Mass | 132.057510 |
| PSA | 17.07000 |
| LogP | 2.12 |
| Additional Property | 4.6 (vs air) |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.577 |
| Additional Property | Slightly soluble |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H317 — May cause an allergic skin reaction
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Chao LK, et al. Cinnamaldehyde inhibits pro-inflammatory cytokines secretion from monocytes/macrophages through suppression of intracellular signaling. Food Chem Toxicol. 2008;46(1):220‐231. |
|---|
Customs & Trade Information
| HS Code | 2912190090 |
|---|---|
| Summary | 2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Cinnamaldehyde?
The CAS number of Cinnamaldehyde is 104-55-2.
What are the molecular formula and molecular weight of Cinnamaldehyde?
Cinnamaldehyde has molecular formula C9H8O and molecular weight 132.159 g/mol.
Is Cinnamaldehyde hazardous?
Cinnamaldehyde has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H317 — May cause an allergic skin reaction; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Cinnamaldehyde?
For Cinnamaldehyde, Upstream Products: Cinnamyl alcohol, 3-Phenylpropionaldehyde, 1-Phenyl-2-propyn-1-ol; Downstream Products: α-Bromocinnamaldehyde, Benzaldehyde, 6-phenyl-2-hexanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cinnamaldehyde (CAS 104-55-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43532-7 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.