Flavors & Fragrances
REACH
Terpinolene
CAS Number
586-62-9
EC Number
209-578-0
FEMA Number
FEMA 3046
What is Terpinolene?
Terpinolene (CAS 586-62-9) is a naturally occurring monocyclic monoterpene found in pine, sage, and various citrus oils. FEMA 3046.
Where is Terpinolene used?
- Flavor and fragrance: fresh, piney, floral top notes in perfumes, soaps, and scented personal care products
- Food: FEMA-approved flavoring agent in baked goods, beverages, and confectionery
- Printing inks and coatings: bio-based solvent carrier supporting resin dissolution and controlled drying profiles
- Cleaning formulations and specialty chemical processes: terpene-derived solvent and diluent
- It functions as a flavoring ingredient and solvent carrier.
Commercial specifications
- Purity levels commonly range from 85% to 95%+, with higher-purity isolates available for flavoring and cosmetic applications.
- Fragrance-grade and food-grade specifications depending on end-use requirements.
Other Names (Synonyms)
Cyclohexene, 3-methyl-6-(1-methylethylidene)- (9CI)|alpha-terpinolene|4-isopropylidene-1-methylcyclohexene|1,4(8)-Terpadiene|1,4(8)-p-menthadiene|1-methyl-4-propan-2-ylidenecyclohexene|1-Methyl-4-isopropylidene-1-cyclohexene
What are the physical properties of Terpinolene?
Melting Point <25 °C
Boiling Point 185 °C @ Press: 760 Torr
Density 0.8623 g/cm³ @ Temp: 20 °C
Flash Point 148 °F
Color Colourless or pale straw-coloured liquid.
Odor at 10.00 % in dipropylene glycol. fresh woody sweet pine citrus
Form clear liquid
Water Solubility 6.812mg/L(25 ºC)
Vapor Pressure ~0.5 mm Hg ( 20 °C)
Refractive Index n 20/D 1.489(lit.)
Log P 4.33-4.38 at 20-37℃
How is Terpinolene classified and handled safely? Learn More
Danger
GHS02· Flammable GHS07· Irritant GHS08· Health Hazard GHS09· Environmental Hazard
Hazard Statements
H226 Flammable liquid and vapor
H227 Combustible liquid
H304 May be fatal if swallowed and enters airways
H315 Causes skin irritation
Precautionary Statements
P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
P233 Keep container tightly closed.
P240 Ground and bond container and receiving equipment.
P241 Use explosion-proof [electrical/ventilating/lighting/…] equipment.
Which trade and regulatory codes apply to Terpinolene?
HS Code 29021990
UN Number 2541
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 3