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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:
13 - 14 Jun 2005
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling Point)
Deviations:
no
GLP compliance:
yes
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:
PDC Lot 1, Pail 2
- Expiration date of the lot/batch: 23 Mar 2006
- Purity: 99.959%
- Synonyms: MTDID 665

STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material:
room temperature in the dark
Key result
Boiling pt.:
99 °C
Atm. press.:
101.1 kPa
Decomposition:
no
Remarks:
initial trial by thermogravimetric analysis showed no test substance remained in pan

The DSC-curve obtained with Experiment 1 is shown in Figure 1. During heating, an endothermic peak was observed with an extrapolated onset temperature of 99 °C. A lower heating rate was applied in Experiment 2 to investigate the endothermic peak. The extrapolated onset temperature of the endothermic peak in Experiment 2 was 100 °C. Experiment 3 was performed at the same heating rate as Experiment 1, with an extrapolated onset temperature of 99 °C. The boiling temperature was determined as the average obtained from Experiments 1 and 3.


Conclusions:
The boiling point of HFE s-601 is 99 °C at 101.1 kPa by DSC (OECD 103).
Executive summary:

The boiling point of HFE s-601 was tested using differential scanning calorimetry (DSC) in three experiments. The boiling temperature was determined as the mean evaporation temperature of two trials done under comparable conditions. The study was conducted in accordance with accepted guidelines and was GLP compliant; therefore the study is considered reliable without restrictions.

Description of key information

The boiling point of HFE s-601 is 99 °C by DSC (OECD 103).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
99 °C

Additional information

he boiling point of HFE s-601 was tested using differential scanning calorimetry (DSC) in three experiments. The boiling temperature was determined as the mean evaporation temperature of two trials done under comparable conditions. The study was conducted in accordance with accepted guidelines and was GLP compliant; therefore the study is considered reliable without restrictions.

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