Which key aromatic and active compounds does this storax balsam oil contain?
Storax balsam oil is chemically defined by cinnamic-acid derivatives and terpenes, with strict compositional ranges set by the ChP 2025 and the EU SCCP opinion.
Key Compounds & Specifications
| Compound | Specification | Standard |
|---|---|---|
| Total cinnamic acid (as C9H8O2) | ≥ 23.0% (HPLC) | ChP 2025 |
| Cinnamyl cinnamate (styracin) | 18.0%–25.0% | ChP 2025 supplement |
| Benzyl benzoate | 12.0%–18.0% | ChP 2025 supplement |
| α- and β-storesin + their cinnamates | 33%–50% | EU SCCP/0872/05 |
| Styracin (cinnamyl cinnamate) | 5%–10% | EU SCCP/0872/05 |
| Ethyl & phenylpropyl cinnamates | ~10% | EU SCCP/0872/05 |
| Benzyl cinnamate | Present | SCCP / ChP fingerprint |
| Free cinnamic acid | 5%–15% | EU SCCP/0872/05 |
| Vanillin | Trace | SCCP / GC |
ChP 2025 Characteristic Fingerprint (8 peaks)
- Styrene 2. 4-Ethylphenol 3. Phenylpropanol 4. Cinnamyl alcohol 5. Caryophyllene 6. Benzyl cinnamate 7. Cinnamyl 3-phenylpropionate 8. Cinnamyl cinnamate
- Additional ChP 2025 supplement fingerprint markers: β-pinene, camphene, bornyl acetate
- The numbing-warm balsamic character and fixative power are driven primarily by the cinnamyl/benzyl ester family, not by a single compound
- A full GC-MS composition report is issued with every batch COA
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This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.
