Beta Pinene
Aroma Chemical Top Note CAS 127-91-3
A dry woody pine note with a resinous coniferous character and a green hay nuance. It is a fresh terpenic top note for pine and herbal accords.
Odor profile
| Note | Top Note |
| Descriptor 1 | Herbal |
| Descriptor 2 | Pine |
| Descriptor 3 | Lime |
| Odor Impact1 | 250 |
| Tenacity1 | 4 h |
| Tenacity2 | 4 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 | 127-91-3 |
| CAS 2 | 18172-67-3 |
| INCI Name | Beta-pinenes |
| Category | Aroma Chemical |
| Formula | C10H16 |
| Mol. Weight | 136.23 |
| IUPAC Name | 6,6-dimethyl-2-methylidenebicyclo[3.1.1]heptane |
| InChIKey | WTARULDDTDQWMU-UHFFFAOYSA-N |
Synonyms
(1)-6,6- dimethyl-2-methylene bicyclo(3.1.1)heptane, 7,7- dimethyl-4-methylidenebicyclo[3.1.1]heptane, beta- nopinene, terbenthene, Berje, beta-Pinene P & F, Citrus and Allied Essences, beta-Pinene (refined), Moellhausen, Beta-Pinene, L-Beta Pinene, L-Beta-Pinene, (1)-6,6-dimethyl-2-methylene bicyclo(3.1.1)heptane, 7,7-dimethyl-4-methylidenebicyclo[3.1.1]heptane, beta-nopinene, beta-pinene (refined) (natural), beta-pinene 95 PF, beta-pinene 95% natural, beta-pinene 97% natural, pinene beta, pinene beta 95 PF naturel, pinene beta pf, beta-pinene natural, beta-pinene P and F, beta-pinene synthetic, bicyclo[3.1.1]heptane, 6,6-dimethyl-2-methylene-, (1S,5S)-, (1S,5S)-6,6-dimethyl-2-methylene bicyclo(3.1.1)heptane, (1S)-6,6-dimethyl-2-methylene bicyclo(3.1.1)heptane, laevo-6,6-dimethyl-2-methylene bicyclo(3.1.1)heptane, (1S,5S)-6,6-dimethyl-2-methylenebicyclo[3.1.1]heptane, (1S,5S)-6,6-dimethyl-2-methylidenebicyclo[3.1.1]heptane, (1S,5S)-7,7-dimethyl-4-methylidenebicyclo[3.1.1]heptane, (-)-nopinene, (-)-pin-2(10)-ene, (1S,5S)-pin-2(10)-ene, (-)-beta-pinene, (1S)-(-)-beta-pinene
Physical and chemical data
| Boiling Point | 166.0 °C |
| Melting Point | -61.5 °C |
| Flash Point | 31.1 °C |
| Density | 0.86 |
| Refractive Index | 1.4768 |
| Vapor Pressure | 2.93 [mmHg] |
| LogP | 3.1 |
| Solubility | INSOL IN WATER; SOL IN ALC, ETHER, BENZENE, & OTHER SOLVENTS; VERY SOL IN CHLOROFORM /D- & L-ISOMER/ |
| Appearance | CBI; Liquid |
Regulatory status
EU allergen declaration
| Substance | Share |
|---|---|
| Beta-pinenes | 100 % |
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.