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Physical & Chemical properties

Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
08 November 2017 to 05 April 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
27 July 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Version / remarks:
30 May 2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: D26-3-3-1
- Expiration date of the lot/batch: 01 December 2018
- Purity test date: 11 April 2017
- Stability under test conditions: Room temperature, in the dark
- Purity: 47.4%
Key result
Boiling pt.:
>= 200 - <= 300 °C
Atm. press.:
>= 99 - <= 101.6 kPa
Decomposition:
no

From the Sponsor-supplied certificate of analysis, the test item contains 36.9% water and 11.1% methyldiethanolamine (MDEA). The wide endotherm at approximately 40 to 190 °C observed in the loss on heating results was considered to be due to evaporation of water from the bulk test item. Therefore, the wide endotherm at approximately 200 to 340 °C was concluded to be due to boiling of the active components of the test item.

Conclusions:
The boiling point of the test item has been determined to be in the range from approximately 200 to 340°C (473 to 613 K) at 99.0 to 101.6 kPa.

Description of key information

A K1, GLP-compliant study was performed according to a method compatible with OECD guideline 103 and EU Method A.2. The test item has been determined to boil from approximately 200 to 340 °C (473 to 613 K) at 99.0 to 101.6 kPa (K1, Covance, 2019).

Key value for chemical safety assessment

Additional information

The boiling point of the test item has been determined to be in the range approximately 200 to 340 °C (473 to 613 K) at 99.0 to 101.6 kPa.