Aurantiol (Schiff Base)
Aroma Chemical Base Note CAS 89-43-0
Warm, sweet and heady orange blossom with a neroli character and a soft, narcotic white floral facet. Very tenacious, it is a classic booster and fixative for orange blossom and white floral accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Floral |
| Descriptor 2 | Neroli |
| Descriptor 3 | Warm |
| Odor Impact1 | 85 |
| Tenacity1 | 120 h |
| Tenacity2 | 400 h |
1 Source: PerfumersWorld
2 Source: The Good Scents Company
Both tenacity figures are blotter life. The two labs use different evaluation protocols, so the numbers are not directly comparable — read them as two independent readings, not as a contradiction.
Identification
| CAS Number | 89-43-0 |
| INCI Name | Hydroxycitronellal methyl anthranilate |
| Category | Aroma Chemical |
| Formula | C18H27NO3 |
| Mol. Weight | 305.4 |
| IUPAC Name | methyl 2-[(7-hydroxy-3,7-dimethyloctylidene)amino]benzoate |
| InChIKey | BFBPISPWJZMWJN-UHFFFAOYSA-N |
Synonyms
Hydroxycitronellal-methyl anthranilate (schiff base), Schiff's base MA/Hydroxy, Methyl anthranilate/hydroxycitronellal Schiff base, Methyl-N-(7-hydroxy-3,7-dimethyloctylidene)anthranilate, Hydroxycitronellal/methyl anthranilate Schiff base, Auralva, Aurantesin Abs, Auranton, Auriol, anthranilic acid N-(7-hydroxy-3,7-dimethyl octylidene) methyl ester, anthranilic acid, N-(7-hydroxy-3,7-dimethyloctylidene)-, methyl ester, auralva (IFF), aurantesin, aurantha, aurantia, aurantine, aurantiol (Givaudan), aurantiol BJ, aurantiol pure, aurantion (Quest), aurantium, benzoic acid, 2-((7-hydroxy-3,7-dimethyloctylidene)amino)-, methyl ester, benzoic acid, 2-[ (7-hydroxy-3, 7-dimethyloctylidene)amino]-, methyl ester, N-(7-hydroxy-3, 7-dimethyloctylidene)anthranilic acid methyl ester, hydroxycitronellylidene methyl anthranilate, methyl 2-((7-hydroxy-3,7-dimethyl octylidene)amino) benzoate, methyl 2-((7-hydroxy-3,7-dimethyl octylidene)amino)-1-benzene carboxylate, methyl 2-((7-hydroxy-3,7-dimethyloctylidene)amino)benzoate, methyl 2-[(7-hydroxy-3,7-dimethyloctylidene)amino]benzoate, methyl anthranilate / hydroxycitronellal schiff base, methyl anthranilate / hydroxycitronellal schiffs base, methyl N-3, 7-dimethyl-7-hydroxyoctylideneanthranilate, methyl,N-3,7-dimethyl-7-hydroxyoctylidene anthranilate, orangeol, orantha-L-super, Aurantiol
Physical and chemical data
| Boiling Point | 162 °C @ 101 mmHg |
| Flash Point | 93.89 °C |
| Density | 1.02160 |
| Refractive Index | 1.50360 |
| Vapor Pressure | 0.004000 mmHg @ 20.00 C. |
| LogP | 3.3 |
| Solubility | alcohol; water, 3.603 mg/L @ 25 C (est); paraffin oil |
| Appearance | Liquid; CBI |
Regulatory status
Restricted components
| Component | Share |
|---|---|
| Cyclosia | 55 % |
| Citronellol | 0.11 % |
| Geraniol | 0.055 % |
| Citral | 0.055 % |
IFRA regulated substances contained in this material. The interactive index derives the effective maximum concentration per category from them.
EU allergen declaration
| Substance | Share |
|---|---|
| Hydroxycitronellal | 55 % |
| Citronellol | 0.11 % |
| Geraniol | 0.055 % |
| Citral | 0.055 % |
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.