Thiophene, tetrahydro-, 1,1-dioxide, 3-(C9-11-isoalkyloxy) derivs., C10-rich

Boiling point

Link to relevant study record(s)

Reference

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

Testing was conducted between 27 October 2011 and 9 November 2011.

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

other: see 'Remark'

Remarks:

Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results. The study report was conclusive, done to a valid guideline and the study was conducted under GLP conditions.

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Qualifier:

according to guideline

Guideline:

OECD Guideline 103 (Boiling point/boiling range)

Deviations:

no

GLP compliance:

yes

Type of method:

differential scanning calorimetry

Boiling pt.:

655 K

Atm. press.:

101.6 Pa

Decomposition:

no

Remarks on result:

other: 382°C

Results

Thermograms and thermographic data for determinations 1 and 2 are shown in attachments and in the following tables respectively.

     Thermographic Data – Determination 1

Thermal Event	Interpretation	Temperature
		ºC	K
	Approximate onset of boiling	342.37	615.52
Endotherm	Extrapolated onset of boiling	382.25	655.40
	Peak boiling	392.11	665.26

Atmospheric pressure: 101.6 kPa

 

   Thermographic Data – Determination 2

Thermal Event	Interpretation	Temperature
		ºC	K
	Approximate onset of boiling	334.33	607.48
Endotherm	Extrapolated onset of boiling	381.01	654.16
	Peak boiling	391.22	664.37

Atmospheric pressure: 101.6 kPa

Mean boiling temperature: 382 ± 0.5°C (655 ± 0.5 K)

Conclusions:

The boiling temperature of the test item has been determined to be 382 ± 0.5°C (655 ± 0.5 K) at 101.6 kPa.

Executive summary:

382 ± 0.5°C (655 ± 0.5 K) at 101.6 kPa by differential scanning calorimetry using ASTM E537-86, designed to be compatible with Method A2 Boiling Temperature of Commission Regulation (EC) No 440/2008 of 30 May 2008 and Method 103 of the OECD Guidelines for Testing of Chemicals, 27 July 1995

Description of key information

The boiling temperature of the substance was determined to be 382 ± 0.5ºC; study conducted in accordance with OECD 103 and EU Method A.2; Fox and White (2011)

Key value for chemical safety assessment

Boiling point at 101 325 Pa:

382 °C

Additional information

In a GLP compliant boiling point study conducted in accordance with standardised guidelines, the boiling point of the test substance was determined using the differential scanning calorimetry methodology. Under the conditions of the test, the boiling point of the substance was determined to be 382 ºC.