Most cannabis terpenes boil between roughly 100 °C (212 °F) and 276 °C (529 °F) at standard pressure, with light compounds such as ocimene and beta-caryophyllene turning to vapor first and heavier ones such as geraniol and nerolidol last. A terpene boiling points chart for cannabis lists those temperatures in one place, so you can compare how each aromatic compound behaves when flower, concentrate, or extract is heated. Treat the numbers as reference points, because boiling point describes a pure liquid at a set pressure, not the exact moment a terpene leaves a resinous trichome.
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Terpene boiling points chart for cannabis
The values below are standard-pressure boiling points drawn from common chemical reference data. Reported numbers vary by a few degrees between sources because sample purity, isomer form, and measurement pressure differ.
what terpenes are in myrcene chart
- Ocimene: about 100 °C (212 °F)
- beta-Caryophyllene: about 119 °C (246 °F)
- alpha-Pinene: about 155 °C (311 °F)
- Camphene: about 159 °C (318 °F)
- beta-Pinene: about 166 °C (331 °F)
- Myrcene: about 167 °C (333 °F)
- Limonene: about 176 °C (349 °F)
- Eucalyptol (cineole): about 176 °C (349 °F)
- Terpinolene: about 186 °C (367 °F)
- Linalool: about 198 °C (388 °F)
- Humulene: about 198 °C (388 °F)
- alpha-Terpineol: about 219 °C (426 °F)
- Geraniol: about 230 °C (446 °F)
- Nerolidol: about 276 °C (529 °F)
Boiling point is not the same as vaporization temperature
Boiling point applies to a pure liquid that is uniformly heated at a defined pressure. Terpenes in cannabis sit in a mixture of oils, waxes, and resins inside and around the trichome, and each compound has its own vapor pressure. That means evaporation begins well below the boiling point, and it continues gradually as temperature climbs. A jar of flower left in a warm room loses its lightest aromatics long before any of them reach their listed boiling temperature.
what terpenes are in myrcene chart
The same idea applies to a vaporizer or dab nail. You are not waiting for a single boiling point to be crossed. You are watching a blend of compounds shift from solid and liquid into gas at different rates.
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Why terpenes and cannabinoids separate during heating
Terpenes are small molecules, typically built from 10, 15, or 30 carbon units, while cannabinoids such as THC and CBD are larger and heavier. As a group, terpenes are more volatile, so they tend to move into the air earlier in a heat cycle. The ranges still overlap, and some terpenes have boiling points close to or above those of cannabinoids, so the separation is a matter of degree rather than a clean split.
Decarboxylation adds another layer. Converting THCA to THC is commonly described as happening over time in a range near 105 to 120 °C (220 to 245 °F), which is also the zone where several mid-weight terpenes are actively evaporating. Heat that activates cannabinoids also drives off aroma compounds.
How temperature affects flavor and aroma
- Low temperatures, roughly 160 to 190 °C (320 to 375 °F): lighter terpenes such as pinene, myrcene, and limonene dominate the vapor, and flavor tends to read as bright and citrus or pine forward.
- Mid temperatures, roughly 190 to 210 °C (375 to 410 °F): linalool and humulene join in, which is where floral and spicy notes often appear.
- Higher temperatures, above 210 °C (410 °F): heavier terpenes such as terpineol and geraniol can contribute, but the vapor also becomes harsher and plant material may scorch, which adds bitter and burnt notes that mask the terpenes.
These ranges describe flavor behavior. They are not dosing or medical guidance, and individual devices, draw speed, and material texture all change the real result.
What changes the numbers on a terpene chart
- Pressure: boiling points drop when pressure drops, which is why extraction under vacuum works at lower temperatures.
- Purity and isomer form: alpha-pinene and beta-pinene are different molecules with different boiling points, and a mixed sample does not boil at one sharp temperature.
- Measurement method: some references report measured values at 760 mmHg, while others report calculated or extrapolated figures.
- Cultivar and harvest: genetics, grow conditions, and curing change how much of a terpene is present, not the boiling point of the molecule itself.
Practical takeaways for storage and use
- Keep flower in an airtight, dark container at a stable cool temperature to slow evaporation of the lightest terpenes.
- Grind just before use. Breaking up plant material exposes more surface area and speeds terpene loss.
- Avoid leaving cannabis in a hot car or a sunny window, since heat drives volatile compounds out of the flower.
- When vaping or dabbing, start low and step up in small increments if you want to taste the terpene layers in order.
Quick answers
Do all terpenes boil off at once?
No. Each terpene has its own boiling point and vapor pressure, so they evaporate in stages as temperature rises.
Which cannabis terpene has the lowest boiling point?
Among the commonly listed ones, ocimene is the lowest, at about 100 °C (212 °F).
Does a higher boiling point mean a terpene is more potent?
No. Boiling point describes physical behavior during heating and says nothing about how a terpene affects scent strength or the experience of a cultivar.