Reaction mass of 2-{[(2-{3-[2-({[2-(methacryloyloxy)ethoxy]carbonyl}amino)propan-2-yl]phenyl}propan-2-yl)carbamoyl]oxy}propyl methacrylate and 1,3-phenylenebis(propane-2,2-diylcarbamoyloxyethane-2,1-diyl) bis(2-methylacrylate) and 1,3-phenylenebis(propane-2,2-diylcarbamoyloxypropane-2,1-diyl) bis(2-methylacrylate)

Boiling point

Administrative data

Endpoint:

boiling point

Data waiving:

study technically not feasible

Justification for data waiving:

the study does not need to be conducted because chemical change occurred during the melting point study

Justification for type of information:

JUSTIFICATION FOR DATA WAIVING
According to the results obtained in the OECD 104 test (vapour pressure determination), the substance polymerises at a temperature of approx. 130 °C and at a pressure of approx. 10hPa; at lower temperatures no boiling of the test item has been observed.

Cross-reference

Reason / purpose for cross-reference:

data waiving: supporting information

Reference

Endpoint:

vapour pressure

Type of information:

experimental study

Adequacy of study:

key study

Reliability:

1 (reliable without restriction)

Rationale for reliability incl. deficiencies:

guideline study

Reason / purpose for cross-reference:

data waiving: supporting information

Qualifier:

according to guideline

Guideline:

EU Method A.4 (Vapour Pressure)

Deviations:

no

Qualifier:

according to guideline

Guideline:

OECD Guideline 104 (Vapour Pressure Curve)

Version / remarks:

and OECD 113 (1981) Screening test for thermal stability and stability in air (DSC)

Deviations:

no

GLP compliance:

yes (incl. QA statement)

Type of method:

dynamic method

Key result

Remarks on result:

other: No vapour pressure could be measured because the test item polymerises at a temperature of approximately 130 °C and at a pressure of approximately 10 hPa.

Individual Results

Thermal Stability (DSC)

A DSC-measurement in closed glass crucible showed a small exothermic effect in the temperature range of 170 - 220 °C and a broad exothermic effect in the temperature range of 245 - 445 °C with an overall energy of 534 J/g.

Vapour Pressure (Dynamic Method)

For filling the test apparatus, the test item was liquefied by heated up to approximately 60 °C. No vapour pressure could be measured because the test item polymerises at a temperature of approximately 130 °C and at a pressure of approximately 10 hPa. At lower temperatures no boiling of the test item could be observed.

Conclusions:

No vapour pressure could be measured because the test item polymerises at a temperature of approximately 130 °C and at a pressure of approximately 10 hPa.

Executive summary:

The vapour pressure of the test substance has been determined in a GLP test according to EU Method A.4 and OECD Guideline 104. In addition, a screening test for thermal stability and stability in air has been conducted according to OECD Guideline 113 (DSC). No vapour pressure could be measured as the test item polymerises at a temperature of ~ 130 °C (and at 10 hPa). At lower temperatures no boiling of the test item could be observed.