Siam Benzoin Resinoid
Naturals Base Note CAS 9000-72-0
Rich, sweet balsamic with a vanilla and caramel warmth and a soft, resinous body. It brings a warm, enveloping sweetness and fixation to oriental and amber accords.
Odor profile
| Note | Base Note |
| Descriptor 1 | Balsamic |
| Descriptor 2 | Sweet |
| Descriptor 3 | Milky |
| Odor Impact1 | 60 |
| Impact Level | Medium |
| Tenacity1 | 55 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 | 9000-72-0 |
| INCI Name | Styrax tonkinensis resin oil |
| Category | Naturals |
| Botanical Name | Styrax tonkinensis (Pierre) Craib ex Hartwich |
Synonyms
Benzoin resinoid, Anthostyrax tonkinensis Pierre, Styrax hypoglaucus Perkins, Styrax benzoin - exhudation Gum Benjamin Benzoin Gum 'tears' Benzoin, alpha-Hydroxybenzyl phenyl ketone, alpha-Hydroxy-alpha-phenylacetophenone, Benzoin siam resinoid, styrax tonkinensis craib ex hartwiss resinoid, benzoin siam organic resinoid Laos, Benzoin laos matured, colorless (for fragrance) (Robertet), benzoin siam HT 100 abs, benzoin type siam HT hyperabsolute 01, benzoin type siam hyperabsolute 01, benzoin type siam hyperabsolute 02, Siam, anthostyrax tonkinensis absolute, benzoin absolute, benzoin absolute siam, benzoin absolute siam laos, benzoin absolute, benzoin resin absolute siam, benzoin resinoid absolute siam 100, benzoin resinoid absolute siam clair, benzoin siam absolute, benzoin siam absolute 50% BB, benzoin siam absolute 50% DPG, benzoin siam absolute 50% MPG, benzoin siam absolute 50% PE, benzoin siam absolute 50% triacetine, styrax hypoglaucus absolute, styrax macrothyrsus absolute, styrax subniveus absolute, styrax tonkinensis absolute
Physical and chemical data
| Flash Point | 93 °C |
| Solubility | alcohol; water, 11.61 mg/L @ 25 C (est); ph from 3 - 12 |
| Appearance | brown viscous liquid |
Regulatory status
Restricted components
| Component | Share |
|---|---|
| Benzyl Benzoate (bb) | 27 % |
| Benzyl Alcohol (ba) | 0.01 % |
| Eugenol | 0.01 % |
| Isoeugenol | 0.01 % |
| Benzyl Cinnamate | 0.01 % |
| Benzaldehyde | 0.01 % |
IFRA regulated substances contained in this material. The interactive index derives the effective maximum concentration per category from them.
EU allergen declaration
| Substance | Share |
|---|---|
| Benzyl benzoate | 27 % |
| Vanillin | 3 % |
| Benzyl alcohol | 0.01 % |
| Eugenol | 0.01 % |
| Isoeugenol | 0.01 % |
| Benzyl cinnamate | 0.01 % |
| Benzaldehyde | 0.01 % |
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.