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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2016-04-05 to 2016-08-05
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
The boiling point determination is regarded to be reliable without restrictions, in spite of that only one meassurement was performed, while OECD 103 demands for two replicates. Reasoning: boiling point >450 °C, the upper limit of the DSC device. Therefore, no other result could be expected by replication of the experiment.
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Version / remarks:
referencing ASTM E 537 for DSC based determination
Qualifier:
according to guideline
Guideline:
other: ASTM E 537/07
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Remarks:
Merieux NutriSciences operates according to GLP Certification of Good Laboratory Practice
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Lot No.: 50000067900
Key result
Boiling pt.:
> 450 °C
Atm. press.:
1 013 hPa
Decomposition:
no

The boiling point is above 450 °C, the maximum temperature reached by the instrument.

Conclusions:
Boiling point (ASTM E 537/07): > 450°C
Executive summary:

The boiling point was determined according to ASTM E537/07 (Standard Test Method for the Thermal Stability Of Chemicals By Differential Scanning Calorimetry, DSC). This method is referred to within OECD 103 with regard to determination by DSC. A boiling point above 450 °C was determined, the maximum temperature reached by the instrument.

Description of key information

Boiling point (ASTM E 537/07): > 450°C

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
450 °C

Additional information

The boiling point was determined according to ASTM E537/07 (Standard Test Method for the Thermal Stability Of Chemicals By Differential Scanning Calorimetry, DSC). This method is referred to within OECD 103 with regard to determination by DSC. A boiling point above 450 °C was determined, the maximum temperature reached by the instrument (Merieux, 2016).

This is supported by QSAR: US EPA EPI Suite module MPBPVPWIN (v1.43; Sept 2010) estimates a boilint point of 596.35 °C.