Registration Dossier
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EC number: 202-864-6 | CAS number: 100-55-0
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:
- from 2017-05-02 to 2017-05-17
- 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
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- TOXI-COOP Toxicological Research Center Zrt., H-8230 Balatonfüred, Arácsi u. 97-99, Hungary (+5 further addresses in Hungary)
- Type of method:
- method according to Siwoloboff
- Key result
- Boiling pt.:
- 231.6 °C
- Atm. press.:
- 1 013.25 hPa
- Decomposition:
- no
- Conclusions:
- The boiling point of the test item was determined to be 231.6 ± 1.58 °C, i.e. 504.7 K. at 1013.25 hPa (mean of three measurements).
- Executive summary:
A study was conducted according to OECD TG 103, Regulation (EC) No 440/2008 method A.2 and OPPTS 830.7220 to determine the boiling point of the test item by Siwoloboff method with atomatic photo-electrical detection. Three tests were carried out. The boiling temperature was determined and the boiling point of the test item was determined to be 231.6 ± 1.58 °C (95 % confidence interval) i.e. 504.7 K.
Reference
For the main study the metal block was heated to 220 °C. The capillaries containing the test item were placed into the apparatus and the temperature was raised at 1 °C/min heating rate until the boiling temperature was reached.
Three tests were carried out. At the end of the measurements the color of the samples became dark yellow.
Table 1 Determination of the Boiling Point of the test item
| Atmospheric pressure, kPa (at the measuring) |
Boiling point, °C (at standard atmospheric pressure) |
|
| 99.69 | 231.2 | |
| 99.68 | 232.3 | |
| 99.69 | 231.2 | |
| Mean: | 231.6 | |
| RSD (CV%): | 0.3 | |
| Conf.int. (95%) | 1.58 |
Description of key information
The boiling point of the test item was determined to be 231.6 ± 1.58 °C, i.e. 504.7 K, at 1013.25 hPa.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 231.6 °C
Additional information
A study was conducted according to OECD TG 103, Regulation (EC) No 440/2008 method A.2 and OPPTS 830.7220 to determine the boiling point of the test item by Siwoloboff method with atomatic photo-electrical detection (reference 4.3-1). Three tests were carried out. The boiling point of the test item was determined to be 231.6 ± 1.58 °C (95 % confidence interval) i.e. 504.7 K.
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