Registration Dossier
Registration Dossier
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EC number: 486-670-9 | CAS number: -
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:
- Experimental dates: 05 April 2019 to 08 October 2020
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. No deviation affected the quality of the study. The substance is adequately characterised. Therefore full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- Commission Regulation (EC) No 440/2008
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- issued 19/11/2018
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- Appearance: Extremely pale yellow liquid.
Storage Conditions: Refrigerated (2 to 8°C), dark, in an amber glass bottle. - Key result
- Boiling pt.:
- 211 °C
- Atm. press.:
- 101.3 kPa
- Executive summary:
The boiling point of the test substance was determined, under GLP, according to OECD103/EU A2 guidelines.
The boiling temperature was initially determined by the Siwoloboff method and confirmed by differential scanning calorimetry (DSC) to check the absence of decomposition. Two runs were performed for each test, and the measured values were corrected to standard atmospheric pressure.
The normal boiling point of the substance was determined as 211°C.
Reference
Siwoloboff method
The results of duplicate boiling point determinations were as follows:
Barometric pressure: 1004 mbar
| Boiling point (°C) | ||
| Observed value | Pressure corrected value | |
| Run 1 | 210.5 | 210.5 |
| Run 2 | 210.0 | 210.0 |
The observed and corrected values are presented to the nearest ± 0.5°C.
The duplicate determinations were within the estimated accuracy of the method (± 1°C).
DSC method
The confirmatory DSC traces showed a broad boiling endotherm with an extrapolated onset temperature of approximately 211°C (mean of 211°C and 212°C), consistent with the results from the Siwoloboff method. Testing was conducted at a barometric pressure of 1011 mbar.
A small exotherm was recorded at lower temperature, and is thought to be due to decomposition of a minor component; it is consistent with visual observations made during the Siwoloboff method, i.e. some evolution of gas below the boiling temperature and slight discoloration after boiling.
Description of key information
Experimental initial boiling point = 211°C (corrected to normal atmP). (OECD 103, capillary+DSC; GLP)
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 211 °C
Additional information
A fully reliable experimental study, conducted according to a recognized OECD/EU method and under GLP, is available.
It is considered as a key study, and the result is retained as key data.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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