Phenethyl isobutyrate

Boiling point

Link to relevant study record(s)

Reference

Endpoint:

boiling point

Type of information:

experimental study

Adequacy of study:

key study

Study period:

2015-07-27

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

Qualifier:

according to guideline

Guideline:

EU Method A.2 (Boiling Temperature)

Deviations:

no

Qualifier:

equivalent or similar to guideline

Guideline:

EPA OPPTS 830.7220 (Boiling Point / Boiling Range)

Version / remarks:

1996

Deviations:

no

GLP compliance:

no

Type of method:

differential scanning calorimetry

Key result

Boiling pt.:

> 223 - < 233 °C

Atm. press.:

1 013 hPa

Decomposition:

no

During the heating phase the test item showed an endothermic signal in the temperature range of approx.80 – 260 °C that can be associated with the boiling of the test item. For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 3 (e.g. Esters). According to appendix 8.2 a correction value φ = 5.25 was used for the temperature of 220 – 240 °C.

The lowest measured onset temperature is corrected to the standard pressure to be 223.45 °C and the highest onset temperature to be 233.39 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 228.42 °C, the test item has a boiling range of 223 – 233 °C. No further thermal effects were observed up to the maximum test temperature of 500 °C.

Conclusions:

The test item has a boiling range of 223 – 233 °C corrected to normal atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).

Executive summary:

Boiling point of the test item was determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995). The test item was weighed out into an aluminium crucible under an inert atmosphere. Two tests with about 9 – 11 mg of the test item were performed. After check-weighing, the perforated lid was attached using a crucible press. As reference crucible, an empty aluminium crucible was used.

At ambient conditions, the test item is a liquid. Therefore, the crucibles were cooled down from ambient temperature to -100 °C with a constant cooling rate of 0.25 K/min under an inert atmosphere. After a waiting period of 30 min at -100 °C, the temperature was increased up to 500 °C at a constant heating rate of 10 K/min. During the heating phase the test item showed an endothermic signal in the temperature range of approx. 80 – 260 °C that can be associated with the boiling of the test item. For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 3 (e.g. Esters). According to appendix 8.2 a correction value φ = 5.25 was used for the temperature of 220 – 240 °C.

The lowest measured onset temperature is corrected to the standard pressure to be 223.45 °C and the highest onset temperature to be 233.39 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 228.42 °C, the test item has a boiling range of 223 – 233 °C. No further thermal effects were observed up to the maximum test temperature of 500 °C. The test item has a boiling range of 223 – 233 °C corrected to normal atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).

Description of key information

The test item has a boiling range of 223 – 233 °C corrected to normal atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).

Key value for chemical safety assessment

Boiling point at 101 325 Pa:

223 °C

Additional information

Boiling point of the test item was determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).

The test item was weighed out into an aluminium crucible under an inert atmosphere. Two tests with about 9 – 11 mg of the test item were performed. After check-weighing, the perforated lid was attached using a crucible press. As reference crucible, an empty aluminium crucible was used.

At ambient conditions, the test item is a liquid. Therefore, the crucibles were cooled down from ambient temperature to -100 °C with a constant cooling rate of 0.25 K/min under an inert atmosphere. After a waiting period of 30 min at -100 °C, the temperature was increased up to 500 °C at a constant heating rate of 10 K/min. During the heating phase the test item showed an endothermic signal in the temperature range of approx. 80 – 260 °C that can be associated with the boiling of the test item. For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 3 (e.g. Esters).According to appendix 8.2 a correction value φ = 5.25 was used for the temperature of 220 – 240 °C.

The lowest measured onset temperature is corrected to the standard pressure to be 223.45 °C and the highest onset temperature to be 233.39 °C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 228.42 °C, the test item has a boiling range of 223 – 233 °C. No further thermal effects were observed up to the maximum test temperature of 500 °C. The test item has a boiling range of 223 – 233 °C corrected to normal atmospheric pressure (1013 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).