Registration Dossier
Registration Dossier
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EC number: 262-979-2 | CAS number: 61788-48-5
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07 March 2016 to 30 June 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- 128 °C
- Atm. press.:
- 101 kPa
- Decomposition:
- yes
- Remarks on result:
- other: After heating to 400 °C, the samples had lost approximately 78 and 66 % of their original weight for determinations 1 and 2, respectively.
- Conclusions:
- The test item has been determined to decompose from approximately 128 °C (401 K) at 101 kPa. As the test item decomposed, no value for boiling temperature could be determined.
- Executive summary:
Decomposition of the test material was observed from approximately 128 °C (401 K) at 101 kPa, by differential scanning calorimetry, designed to be compatible with Method A.2 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. As the test item decomposed, no value for boiling temperature could be determined.
Reference
Table 2: Results
Thermal Event |
Interpretation |
Temperature (°C) |
|
Determination 1 |
Determination 2 |
||
Exotherm |
Approximate onset of decomposition |
128.15 |
129.48 |
As a result of the low rate of enthalpy change during decomposition, the onset temperature could only be approximated. Two further thermograms were run for additional information. These showed that after being heated to 150 °C and 300 °C they had lost none and 7% of their original weight respectively. The appearance of the residue after being heated to 150 °C was similar to that of the original test item; this suggested that minimal decomposition had not occurred up to 150 °C.
Description of key information
The boiling point of the test material was determined in accordance with EU Method A.2 and OECD 103 by differential scanning calorimetry. Decomposition occurred from approximately 128 °C (401 K) at 101 kPa. As the test item decomposed, no value for boiling temperature could be determined.
Key value for chemical safety assessment
Additional information
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