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Physical & Chemical properties

Boiling point

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Administrative data

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Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
24-Aug-2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.2 (Boiling Temperature)
Qualifier:
according to guideline
Guideline:
OECD Guideline 103 (Boiling point/boiling range)
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
GLP compliance:
no
Type of method:
differential scanning calorimetry
Key result
Remarks on result:
other: The test item has no boiling point up to the decomposition temperature of 110 °C and 993 hPa.

Results

The thermograms of the DSC runs PN9487 and PN9488 show in the temperature range of 110 °C – 190 °C an exothermic effect was observed, with an average energy of -100 J/g, directly followed by an endothermic effect in the temperature range of 190 – 270 °C (boiling).

Results of the DSC measurements

No.

 

Sample weight (mg)

Onset of effect (°C)

Range of effect (°C)

Weight loss (mg)

Atmospheric pressure (hPa)

PN9487

11.49

-

214.03

110 - 190 (exo)

190 - 270 (endo)

11.41

993.3

PN9488

13.17

-

263.57

120 - 190 (exo)

190 -270 (endo)

13.17

992.9

 

Due to the exothermic decomposition before the endothermic effect the test item has no boiling point up to the decomposition temperature of 110 °C.

Final Results

The test item has no boiling point up to the decomposition temperature of 110 °C at atmospheric pressure (993 hPa) as determined by differential scanning calorimetry according to Regulation EC No. 440/2008 Method A.2. and OECD Test Guideline 103 (1995).

Conclusions:
The test item has no boiling point up to the decomposition temperature of 110 °C and 993 hPa.
Endpoint:
boiling point
Type of information:
experimental study
Adequacy of study:
supporting study
Study period:
26-Aug-2015 to 02-Oct-2015
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Reason / purpose for cross-reference:
reference to same study
Qualifier:
according to guideline
Guideline:
other: OECD 113
Version / remarks:
Screening Test for Thermal Stability and Stability in Air (1981)
GLP compliance:
no
Type of method:
differential scanning calorimetry

Thermal Stability

The DSC run PN9525 was performed in a closed glass crucible under an inert atmosphere. The DSC scan showed no thermal effects for the test item up to the final temperature of 300 °C.

Results of the DSC-measurements on thermal stability

No.

Sample weight (mg)

Start of effect (°C)

Energy

(J/g)

Remarks

PN9525

10.30

-

-

none

 

Conclusions:
The test substance showed no thermal effects up to the final temperature of 300 °C as determined according to OECD 113.

Description of key information

The test item has no boiling point up to a decomposition temperature of 110 °C and 993 hPa (EU Method A.2, differential scanning calorimetry).

Key value for chemical safety assessment

Additional information

The test substance decomposes before boiling as determined according to E.U. Method A.2. In a supporting study the test substance showed no thermal effects up to the final temperature of 300 °C as determined according to OECD 113.