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Physical & Chemical properties

Boiling point

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boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08 July 2010-28 July 2010
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: This study has been performed according to OECD and EC guidelines and according to GLP principles.
according to guideline
OECD Guideline 103 (Boiling point/boiling range)
according to guideline
EU Method A.2 (Boiling Temperature)
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Boiling pt.:
385 °C
Atm. press.:
1 018 hPa

Preliminary test:

From 300°C upwards the weight of the sample decreased significantly. At 383°C the sample weight had decreased by 25%. After the experiment, a small dark brown residue remained in the lid of the sample container (original colour: colourless).

Main study:

In the first experiment, during cooling no effects were observed which were due to crystallization of the test substance. Heating showed an endothermic effect above 200°C, which was probably caused by evaporation. The extrapolated onset temperature could not be determined because evaporation continued above 400°C. After the experiment, the consistency appeared to have been unchanged.


During the second and third experiment, a higher end temperature was used in order to determine the extrapolated onset of the boiling temperature. Both DSC-curves showed an endothermic peak between 300°C and 450°C with an extrapolated onset of 385.33°C (second experiment) and 384.56°C (third experiment). After the experiment, a small dark brown residue was observed in the sample container.


Additionally, the test substance was stored overnight in a -20°C freezer in order to determine if crystallization occurs. After storage the test substance had not been crystallized. From this it was concluded that the melting temperature is < -20°C (< 253K).

The boiling temperature of Diisodecyl adipate was determined using DSC. The boiling temperature of the test substance is 385°C (685 K). The atmospheric pressure was 1018 ± 1 hPa.

Description of key information

In a GLP study according to OECD and EU guidelines, the boiling point of diisodecyl adipate was determined to be 385 degr C.

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
385 °C

Additional information