Cinnamic Acid
Aroma Chemical Base Note CAS 621-82-9
A sweet balsamic note with a soft storax character.
Odor profile
| Note | Base Note |
| Descriptor 1 | Balsamic |
| Descriptor 2 | Sweet |
| Descriptor 3 | Cinnamon |
| Impact Level | Low |
| Tenacity2 | 400 h |
2 Source: The Good Scents Company
Identification
| CAS Number | 621-82-9 |
| INCI Name | Cinnamic acid |
| Category | Aroma Chemical |
| Formula | C9H8O2 |
| Mol. Weight | 148.16 |
| IUPAC Name | (E)-3-phenylprop-2-enoic acid |
| InChIKey | WBYWAXJHAXSJNI-VOTSOKGWSA-N |
Synonyms
acidum cinnamylicum, benzene propenoic acid, benzylidene acetic acid, nat. cinnamic acid, cinnamic acid FCC, cinnamic acid natural, cinnamic acid tech grade powder, cinnamylic acid, 3-phenyl acrylic acid, 3-phenyl propenoic acid, 3-phenyl propensaeure, 3-phenyl-2-propenoic acid, 3-phenylprop-2-enoic acid
Physical and chemical data
| Boiling Point | 298.00 °C |
| Melting Point | 132.00 °C |
| Flash Point | 189.44 °C |
| Vapor Pressure | 0.005000 mmHg @ 25.00 C. (est) |
| LogP | 2.130 |
| Solubility | alcohol; water, 2911 mg/L @ 25 C (est); water, 570 mg/L @ 25 C (exp) |
| Appearance | pale amber powder |
Regulatory status
Restricted components
| Component | Share |
|---|---|
| Cinnamyl Aldehyde | 0.05 % |
IFRA regulated substances contained in this material. The interactive index derives the effective maximum concentration per category from them.
EU allergen declaration
| Substance | Share |
|---|---|
| Cinnamal | 0.05 % |
Substances that must be named in the ingredient list under Annex III of Regulation (EC) 1223/2009, as amended by Regulation (EU) 2023/1545. Where a range was given, the upper bound is shown.
All figures on this page are guide values collected from public reference works and supplier declarations. They differ between batches, origins and qualities. The data sheet of your own supplier is always the authoritative document for the material you actually use.