Styrax absolute
- CAS number
- 8024-01-9
- Olfactory family
- amber
- Type
- Absolute
- Origin
- natural
- Typical pyramid position
- base
- IFRA NCS category
- K2.1
IFRA 51st Amendment
StyraxProhibited / restricted / specification · 49th Amendment
Basis: DERMAL SENSITIZATION
| IFRA category | Max. in finished product |
|---|---|
| 1 | 0.12% |
| 2 | 0.034% |
| 3 | 0.69% |
| 4 | 0.64% |
| 5A | 0.16% |
| 5B | 0.16% |
| 5C | 0.16% |
| 5D | 0.16% |
| 6 | 0.38% |
| 7A | 1.3% |
| 7B | 1.3% |
| 8 | 0.068% |
| 9 | 1.3% |
| 10A | 4.5% |
| 10B | 4.5% |
| 11A | 2.5% |
| 11B | 2.5% |
| 12 | No restriction |
Only extracts or distillates (resinoids, absolutes and oils), prepared from exudations of Liquidambar styraciflua L. var. macrophylla or Liquidambar orientalis Mill., can be used.
Crude gums of Liquidambar styraficula L. var. macrophylla or Liquidambar orientalis Mill. should not be used as fragrance ingredients for any finished product application.
Styrax oil can be obtained from solvent extraction or pyrolysis. Styrax oil obtained through pyrolysis shall be rectified according to Good Manufacturing Practices (GMP) and the content of Polycyclic Aromatic Hydrocarbons (PAH) resulting from their use shall respect the following requirement: Benzopyrene and 1,2-Benzanthracene are to be used as markers for PAH. If used alone or in combination with rectified Cade oil, rectified Birch tar oils or rectified Opoponax oil, the total concentration of both of the markers should not exceed 1 ppb in the final product.
Restricted constituents (IFRA Annex)
Typical content of IFRA-relevant constituents this natural contributes to a formula:
- Cinnamic alcohol — up to 0.3% (CAS 104-54-1)
- p-Cresol — up to 0.3% (CAS 106-44-5)
- Benzaldehyde — up to 0.1% (CAS 100-52-7)
Informational summary of the IFRA 51st Amendment dataset — not legal or toxicological advice. Always verify against the official IFRA Standard and your supplier's documentation before selling a product.
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