Registration Dossier
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EC number: 213-796-1 | CAS number: 1013-75-8
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:
- December 22, 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method according to Siwoloboff
- Key result
- Boiling pt.:
- ca. 252 °C
- Atm. press.:
- ca. 1 024 hPa
- Remarks on result:
- other: Standart deviation:+-0.5
- Remarks:
- Average value
- Conclusions:
- The boiling point of test item was observed at temperature of 252.0± 0.5 °C under atmospheric pressure of 1024 hPa.
- Executive summary:
In accordance with OECD guideline 103 and GLP study, the determination of boiling point using capilarry tube in metal block and BÜCHI Melting Point B-565 apparatus were performed. Preliminary test was caried out to determine the temperature range (100 -400ºC) and then three series of measurement were carried out in this temperature range. The visual observation were carried out. The boiling temperature was defined as the temperature at which a continuous flow bubbles were observed. The average value of boiling point was found at the temperature 252.0± 0.5°C under atmospheric pressure of 1024hPa.
Reference
Temperature range for the test item, obtained from preliminary study was :100 - 400ºC. Below the temperature of 240 °C, the temperature gradient of 3 °C/min was used. Above 240 °C the used gradient was 0.5 °C/min. (at about 10.0 °C below the expected boiling temperature).
Table No.1: The observed values of the boiling point of test item
Sample |
The boiling point value, °C (automatically) |
Atmospheric pressure, hPa |
1 |
252,0 |
1024 |
2 |
251,6 |
|
3 |
252,5 |
|
Average values ± standard deviations, °C |
252.0± 0.5 |
- |
Description of key information
Key study : OECD guideline 103, GLP study. The average value of boiling point was found automatically at 252.0± 0.5°C under atmospheric pressure of 1024hPa.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 252 °C
Additional information
Key study: In accordance with OECD guideline103 and GLP study, the determination of boiling point using capilarry tube in metal block and BÜCHI Melting Point B-565 apparatus were performed. Preliminary test was caried out to determine the temperature range and then three series of measurement were carried out in this temperature range. The average value of boiling point was found automatically at 252.0± 0.5°C. under atmospheric pressure of 1024hPa.
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