2,2'-[(1-methylethylidene)bis(cyclohexane-4,1-diyloxymethylene)]bisoxirane

Boiling point

Link to relevant study record(s)

Reference

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

22 March 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:

1995

Deviations:

no

GLP compliance:

yes

Type of method:

photocell detection

Specific details on test material used for the study:

- The infrared (IR) spectrum of the test material measured at this laboratory was confirmed to be identical to that provided by the sponsor.
- In addition, the IR spectrum of the test material after the completion of the experiment was the same as that before the start of the experiment, and it indicated that the test material was stable under the storage conditions.

Key result

Decomposition:

ambiguous

Decomp. temp.:

270 °C

Remarks on result:

other: atm pressure not reported

- No adverse effects on the reliability of this test were noted.

- No boiling point of the test material was observed because the test material changes at about 270 °C.

Table 1: Test Material Observations

Temperature (°C)	Run 1 Observations	Run 2 Observations
150	Colourless transparent viscous liquid	Colourless transparent viscous liquid
270	Pale yellow liquid	Pale yellow liquid
330	Pale yellow liquid	Pale yellow liquid
370	Brown liquid	Brown liquid
400	Brown liquid	Brown liquid

Conclusions:

Under the conditions of this study, no boiling point of the test material was observed at temperatures up to 400°C. The test material was observed to change colour at 270°C.

Executive summary:

The boiling point of the test material was investigated in accordance with the standardised guideline OECD 103, under GLP conditions using photocell detection.

The test material inside the boiling capillary in the sample tube was held in the test equipment and the equipment was heated up to 400°C at a rate of 10°C per minute.

At 270°C the test material appearance changed from being a colourless transparent viscous liquid to a pale yellow liquid, then at 370°C it became a brown liquid.

Under the conditions of this study, no boiling point of the test material was determined because the test material decomposed at about 270°C.

Description of key information

Under the conditions of the study, no boiling point of the test material was observed at temperatures up to 400°C. The test material was observed to change colour at 270°C.

Additional information

The boiling point of the test material was investigated in accordance with the standardised guideline OECD 103, under GLP conditions using photocell detection. The study was awarded a reliability score of 1 in accordance with the criteria set forth by Klimisch et al. (1997).

The test material inside the boiling capillary in the sample tube was held in the test equipment and the equipment was heated up to 400°C at a rate of 10°C per minute.

At 270°C the test material appearance changed from being a colourless transparent viscous liquid to a pale yellow liquid, then at 370°C it became a brown liquid.

Under the conditions of this study, no boiling point of the test material was determined because the test material decomposed at about 270°C.