alpha-Phenylcinnamic acid
- CAS NO.：91-48-5
- Empirical Formula: C15H12O2
- Molecular Weight: 224.26
- MDL number: MFCD00004252
- EINECS: 202-069-4
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-05-28 01:16:25
What is alpha-Phenylcinnamic acid?
Chemical properties
white to light yellow powder
The Uses of alpha-Phenylcinnamic acid
α-Phenylcinnamic Acid, is a 2,3-Diarylpropenoic Acid, which is a selective non-steroidal inhibitors of type-5 17β-hydroxysteroid dehydrogenase (AKR1C3).
Synthesis Reference(s)
Journal of the American Chemical Society, 104, p. 321, 1982 DOI: 10.1021/ja00365a073
Organic Syntheses, Coll. Vol. 4, p. 777, 1963
Purification Methods
Crystallise the cis-isomer from pet ether or EtOH (m 174
Properties of alpha-Phenylcinnamic acid
| Melting point: | 172-174 °C(lit.) |
| Boiling point: | 325.66°C (rough estimate) |
| Density | 1.198 |
| refractive index | 1.6530 (estimate) |
| form | powder to crystal |
| pka | 4.8 in 60% ethanol |
| color | White to Almost white |
| Merck | 14,7281 |
| BRN | 1911342 |
| Stability: | Stable. Incompatible with strong oxidizing agents. |
| CAS DataBase Reference | 91-48-5(CAS DataBase Reference) |
Safety information for alpha-Phenylcinnamic acid
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P280:Wear protective gloves/protective clothing/eye protection/face protection. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P332+P313:IF SKIN irritation occurs: Get medical advice/attention. P337+P313:IF eye irritation persists: Get medical advice/attention. |
Computed Descriptors for alpha-Phenylcinnamic acid
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