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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Physical & Chemical properties

Endpoint summary

Administrative data

Description of key information

Additional information

Terpinolene multiconstituent is a yellow liquid at ambient temperature. It is classified as Flammable Liquid Category 3 according to Regulation No. 1272/2008 (CLP) and as Flammable R10 according to Directive 67/548/EEC (DSD). Terpinolene multiconstituent does not contain chemical groups associated with explosivity or oxidising properties.

The main physical and chemical properties of this substance are given below.

 Endpoint  Data
 Appearance  Yellow liquid at 20°C
 Melting range  < -20°C
 Boiling range  184°C +/- 5°C at 985 hPa
 Relative density  0.878 at 20°C/4°C
 Vapour pressure  430 Pa at 20°C
 Partition coefficient  3.7 at 20°C
 Water solubility*  1015.6 mg/L at 20°C
 Flash point  53°C at atmospheric pressure (closed cup)
 Auto-ignition temperature  250°C at 986 hPa
 Viscosity  1.89 mPa.s at 20°C (shear rate = 583 s-1) and 1.25 mPa.s at 40°C (shear rate = 583 s-1)

* The water solubility of terpinolene multiconstituent was calculated as the sum of the mean measured concentration of each of the main constituents of the substance (terpinolene, 1,8-cineole, 1,4-cineole) and of the main impurities (dl-limonene) for a loading rate of 34.3 g/L.