1,4,10,13-pentaoxacyclopentadecane

Boiling point

Administrative data

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Data source

Reference

Reference Type:

study report

Title:

Unnamed

Year:

2021

Report date:

2021

Materials and methods

Test guideline

Test guideline 1

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Test guideline 2

Qualifier:

according to guideline

Guideline:

EPA OPPTS 830.7220 (Boiling Point / Boiling Range)

Deviations:

no

Test guideline 3

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling Point)

Deviations:

no

GLP compliance:

yes

Type of method:

method according to Siwoloboff

Test material

Test material information

Constituent 1

Reference substance name:

1,4,10,13-pentaoxacyclopentadecane

EC Number:

251-379-6

EC Name:

1,4,10,13-pentaoxacyclopentadecane

Cas Number:

33100-27-5

Molecular formula:

C10H20O5

IUPAC Name:

1,4,7,10,13-pentaoxacyclopentadecane

Specific details on test material used for the study:

Substance ID: 15-Crown-5
Lot #: 1909005
Purity: 91.8%

Results and discussion

Boiling point

Key result

Decomposition:

yes

Decomp. temp.:

> 150 °C

Remarks on result:

other: The boiling temperature of the test item was not determinable as the material decomposed at temperatures above approximately 150°C.

Any other information on results incl. tables

As the boiling tube was heated, the sample was observed to darken from a pale yellow liquid to a dark yellow liquid. By approximately 291 to 292°C, the sample was observed to boil; however, observations of bubbles from the capillary at lower temperatures and the aforementioned darkening of the test item suggested that the material had degraded during heating.

The resulting profile by DSC shows the onset of an endothermic effect at approximately 150°C, which may have been consistent with the onset of decomposition and the colour changes. The full endothermic peak occurred at approximately 200 to 215°C. Further DSC analysis was conducted using a sealed crucible with a pierced lid and showed a further endothermic event at approximately 290°C, which coincided with the decomposition and bubbling of the test item observed in the capillary test.

Applicant's summary and conclusion

Conclusions:

The boiling temperature of the test item was not determinable as the material decomposed at temperatures above approximately 150°C.

Executive summary:

This study was conducted to determine the boiling point/decomposition point of the test substance according to the guidelines OECD 103, EC Method A.2 and OPPTS 830.7220.

The boiling temperature of the test item was not determinable as the material decomposed at temperatures above approximately 150°C.