α-Phenylcinnamic acid
Also known as: (2E)-2,3-diphenylprop-2-enoic acid, 2,3-Diphenylacrylic acid, alpha-Phenylcinnamic acid, trans-2,3-Diphenylacrylic acid, Benzeneacetic acid, α-(phenylmethylene)-, (αE)-
α-Phenylcinnamic acid (CAS 91-48-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H12O2 and a molecular weight of 224.25500 g/mol. Key properties include a melting point of 172-174 °C(lit.), a boiling point of 336.6ºC at 760 mmHg, a density of 1.198 g/cm3 and a flash point of 239.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 91-48-5
- Jingsj CID
- J-49470-2
- Molecular Formula
- C15H12O2
- Molecular Weight
- 224.25500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 172-174 °C(lit.) |
|---|---|
| Boiling Point | 336.6ºC at 760 mmHg |
| Density | 1.198 g/cm3 |
| Flash Point | 239.8ºC |
| Exact Mass | 224.08400 |
| PSA | 37.30000 |
| LogP | 3.31180 |
| Stability | Stable. Incompatible with strong oxidizing agents. |
Frequently Asked Questions
What is the CAS number of α-Phenylcinnamic acid?
The CAS number of α-Phenylcinnamic acid is 91-48-5.
What are the molecular formula and molecular weight of α-Phenylcinnamic acid?
α-Phenylcinnamic acid has molecular formula C15H12O2 and molecular weight 224.25500 g/mol.
What are the upstream and downstream products of α-Phenylcinnamic acid?
For α-Phenylcinnamic acid, Upstream Products: acetic acid, Diphenylacetylene, Benzaldehyde; Downstream Products: 2,3-Diphenylpropanoic acid, Benzaldehyde, benzoic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "α-Phenylcinnamic acid (CAS 91-48-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-49470-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.