Terpinolene

CAS Number
586-62-9
EC Number
209-578-0
Chemical Formula
C10H16
Molecular Weight
136.23 g/mol
FEMA Number
FEMA 3046

Description

Terpinolene (CAS 586-62-9), also listed under FEMA 3046, is a naturally occurring monocyclic monoterpene found in pine, sage, and various citrus oils. It functions as both a flavoring ingredient and a solvent carrier across food, fragrance, and industrial applications. In flavor and fragrance formulations, terpinolene contributes fresh, piney, floral top notes to perfumes, soaps, and scented personal care products. Food manufacturers use it as a FEMA-approved flavoring agent in baked goods, beverages, and confectionery.

In printing inks and coatings, it acts as a bio-based solvent carrier that supports resin dissolution and controlled drying profiles. Its terpene-derived solvent character also makes it relevant in cleaning formulations and as a diluent in specialty chemical processes. Terpinolene is supplied as a clear mobile liquid, typically in drum and IBC quantities suited to industrial and commercial buyers. It is available in fragrance-grade and food-grade specifications depending on end-use requirements.

Purity levels commonly range from 85% to 95%+, with higher-purity isolates available for flavoring and cosmetic applications. This versatile monoterpene is essential for manufacturers seeking natural alternatives to synthetic solvents and aromatic compounds. The material is handled according to strict quality standards to ensure consistency across batches. Buyers can rely on its stable chemical profile for integration into complex formulations requiring specific volatility and odor characteristics.

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

Key Technical Features

  • High Purity Grade standard
  • Consistent Batch Quality
  • Full Regulatory & REACH Support
  • Global Logistics Network enabled

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Physical Properties

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℃

Documentation

Safety & Handling 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.

Trade & Regulatory

HS Code 29021990
UN Number 2541
ADR Class 3
Packing Group III
Storage Class 3 - Flammable liquids
WGK (Germany) 3
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