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Boiling point

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Reference
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09.02.2006 - 09.02.2006
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Guideline study OECD 104, consistent with GLP. Boiling point was taken from measured vapour pressure curve.
Qualifier:
according to
Guideline:
other: OECD Guideline 104 (Vapour Pressure Curve) adopted by the Council on 27 July1995
Deviations:
no
Principles of method if other than guideline:
The vapour pressure is determined by measuring the boiling temperature of the substance at various specified pressures between roughly 10 to
approx. 10³ hPa. The apparatus consists of a tube with a boiling section (by electrical heating) in the lower part, a cooler in the middle part, and an
outlet to a pressure regulation system in the upper part. The thermometer is placed in the vapour above the surface of the liquid. The temperature of the vapour is measured as a function of the pressure.
GLP compliance:
no
Remarks:
consistent with GLP
Type of method:
dynamic method
Boiling pt.:
275 °C
Atm. press.:
965.8 hPa
Remarks on result:
other: Determined according to OECD guideline 104. Boiling point was taken from measured vapour pressure curve.

A portion of Ethyleneglycol dimethacrylate was given in a glass apparatus. The measurements started at the initial pressure of 15.2 hPa and at thermodynamic equilibrium. The pressure was increased stepwise.

  Vapour pressure [hPa] Boiling point [°C]

Inverse temperature x 1000 [K-1]

  15.2   121.6  2.5332
  26.7 131.6 2.4707 
  50.2  145.3  2.3898 
  103.6  163.5  2.2902
  200.7 182.7  2.1937 
  402.6 206.3  2.0857
  690.7 229.8  1.9883 
  965.8  275.2  1.8237 
Conclusions:
The boiling point of Ethyleneglycol dimethacrylate was determined according to OECD guideline 104 [adopted on 27 July 1995] and EU test
method A.4 [Directive 92/69/EEC, Official Journal L 383 A 1992] with the dynamic method.
The boiling point was: 275 °C at 965.8 hPa. The boiling point was taken from measured vapour pressure curve.
Executive summary:

The boiling point of Ethyleneglycol dimethacrylate was determined according to OECD guideline 104 [adopted on 27 July 1995] and EU test method A.4 [Directive 92/69/EEC, Official Journal L 383 A 1992] with the dynamic method. The boiling point was: 275 °C at 965.8 hPa. The boiling point was taken from measured vapour pressure curve.

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Description of key information

Boiling point: 275 °C at 965.8 hPa (measured Evonik Industries, 2006). 

Key value for chemical safety assessment

Boiling point at 101 325 Pa:
275 °C

Additional information