# α-terpinene


Canonical page: https://essential-oils.club/compounds/alpha-terpinene

- **Chemical class:** Monoterpene hydrocarbon
- **PubChem CID:** 7462 (https://pubchem.ncbi.nlm.nih.gov/compound/7462)
- **Measured in:** 52 oils, 580 GC-MS samples

## Where it's found

Share of each oil (median of GC-MS samples, with interquartile range):

| Oil | Median % | IQR % | Max % | Samples |
|---|---|---|---|---|
| [Patchouli](https://essential-oils.club/oils/single/patchouli) | 11.83 | 11.83–11.83 | 11.83 | 1 |
| [Tea tree](https://essential-oils.club/oils/single/tea-tree) | 7.73 | 2.75–10.75 | 10.92 | 6 |
| [Marjoram](https://essential-oils.club/oils/single/marjoram) | 3 | 0.56–6.97 | 11.7 | 35 |
| [Rose](https://essential-oils.club/oils/single/rose) | 2.9 | 2.7–4 | 4 | 5 |
| Lemon eucalyptus | 2.73 | 2.6–2.87 | 3 | 2 |
| [Grapefruit](https://essential-oils.club/oils/single/grapefruit) | 1.93 | 1.67–2.14 | 2.48 | 6 |
| [Nutmeg](https://essential-oils.club/oils/single/nutmeg) | 1.77 | 1.23–2.59 | 6.68 | 30 |
| [Juniper](https://essential-oils.club/oils/single/juniper) | 1.6 | 0.78–4.5 | 6 | 9 |
| [Thyme](https://essential-oils.club/oils/single/thyme) | 1.28 | 0.86–2.4 | 5.01 | 78 |
| [Oregano](https://essential-oils.club/oils/single/ecuadorian-oregano) | 1.1 | 0.7–2.2 | 20.6 | 20 |
| [Eucalyptus globulus](https://essential-oils.club/oils/single/eucalyptus-globulus) | 1.01 | 0.77–1.13 | 1.48 | 4 |
| [Melissa](https://essential-oils.club/oils/single/melissa) | 0.82 | 0.52–1.07 | 1.36 | 4 |
| [Blue tansy](https://essential-oils.club/oils/single/blue-tansy) | 0.79 | 0.79–0.79 | 0.79 | 1 |
| Wormwood | 0.7 | 0.6–0.75 | 0.8 | 3 |
| [Rosemary](https://essential-oils.club/oils/single/rosemary) | 0.66 | 0.5–1.11 | 5.77 | 47 |
| Cajeput | 0.51 | 0.51–0.51 | 0.51 | 1 |
| [Black pepper](https://essential-oils.club/oils/single/black-pepper) | 0.5 | 0.2–0.61 | 7.72 | 5 |
| [Spearmint](https://essential-oils.club/oils/single/spearmint) | 0.5 | 0.1–0.93 | 1.02 | 4 |
| [Yarrow](https://essential-oils.club/oils/single/blue-yarrow) | 0.49 | 0.27–2.35 | 2.43 | 8 |
| Laurel | 0.41 | 0.3–0.47 | 1 | 17 |

Methodology: https://essential-oils.club/oils/methodology

_Educational reference only — not medical advice. Essential oils are not intended to diagnose, treat, cure or prevent any disease._