Monopentaerythritol tetraesters and dipentaerythritol hexaesters of 3,5,5-trimethylhexanoic, n-heptanoic, n-octanoic and n-decanoic acids

Stability: thermal, sunlight, metals

Link to relevant study record(s)

Reference

Reference 1

Endpoint:

thermal stability

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

guideline study

Qualifier:

according to guideline

Guideline:

other: EU Method A2 and OECD Guideline 103

GLP compliance:

yes

Test substance thermally stable:

yes

Operating temp.:

400 °C

Sublimation:

no

Transformation products:

no

Conclusions:

The test item was stable up to 400 °C (673 K) at 101.5 kPa by differential scanning calorimetry,

Executive summary:

Method

The determination was carried out by differential scanning calorimetry (DSC) using a procedure 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.

Conclusion

The test item was stable up to 400 °C (673 K) at 101.5 kPa by differential scanning calorimetry,

Reference 2

Endpoint:

thermal stability

Type of information:

experimental study

Adequacy of study:

supporting study

Study period:

24 October 2012

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

study well documented, meets generally accepted scientific principles, acceptable for assessment

Qualifier:

no guideline followed

Principles of method if other than guideline:

Thermal characteristics of the test item were investigated using thermogravimetric analysis (TGA).

GLP compliance:

not specified

- The thermograph resulting from the investigation is attached.

- Using a maximum temperature ramp of 10 °C per minute with a resolution of 3 in an atmosphere of nitrogen, overall weight loss onset of the test item was found to occur at 246 °C.

- The weight loss event of the test item appeared at a derivative peak of 277 °C and accounted for 99.87 % weight loss.

Conclusions:

Using a maximum temperature ramp of 10 °C per minute with a resolution of 3 in an atmosphere of nitrogen, overall weight loss onset of the test item was found to occur at 246 °C. The weight loss event of the test item appeared at a derivative peak of 277 °C and accounted for 99.87 % weight loss.

Executive summary:

Using a maximum temperature ramp of 10 °C per minute with a resolution of 3 in an atmosphere of nitrogen, overall weight loss onset of the test item was found to occur at 246 °C. The weight loss event of the test item appeared at a derivative peak of 277 °C and accounted for 99.87 % weight loss.

Reference 3

Endpoint:

thermal stability

Type of information:

read-across from supporting substance (structural analogue or surrogate)

Adequacy of study:

key study

Reliability:

2 (reliable with restrictions)

Rationale for reliability incl. deficiencies:

other: analogue substance

Justification for type of information:

Investigation of thermal stability is not required because available data indicate that structural variation does not influence test results or adverse effect profile (see read-across and category justifications attached in Section 13).

Reason / purpose for cross-reference:

read-across source

Test substance thermally stable:

yes

Key result

Operating temp.:

400 °C

Sublimation:

no

Transformation products:

no

Description of key information

The analogue test item was stable up to 400 °C (673 K) at 101.5 kPa by differential scanning calorimetry,

Additional information

The analogue test item was stable up to 400 °C (673 K) at 101.5 kPa by differential scanning calorimetry,

Justification for classification or non-classification

The test material is thermally stable up to 400 °C.