Registration Dossier
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EC number: 201-746-1 | CAS number: 87-44-5
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:
- 27 October 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling Point)
- Version / remarks:
- 1995
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- Version / remarks:
- 1996
- Deviations:
- no
- GLP compliance:
- no
- Remarks:
- Study was not performed under GLP, however the test facility was GLP-compliant.
- Type of method:
- differential scanning calorimetry
- Key result
- Boiling pt.:
- >= 253 - <= 262 °C
- Atm. press.:
- 1 013 hPa
- Conclusions:
- The boiling point of the test item was determined to be 253 to 262°C at atmospheric pressure.
- Executive summary:
Boiling point was determined by differential scanning calorimetry according to OECD Guideline 103 and EU Method A.2 (2017). The study was not performed under GLP, however the test facility was GLP-compliant. The study is considered to be reliable without restrictions (Klimisch 1). The boiling point of the test item was determined to be 253 to 262°C at atmospheric pressure.
Reference
The test item showed an endothermic signal in the temperature range of approximately 200 – 310°C that can be assigned to the boiling of the test item. For the correction of the boiling temperature to standard pressure the test item was assigned to chemical group 2 (e.g. hydrocarbons). A correction value φ = 5.1 was used for the temperature of 250 – 260°C, according to Hass and Newton. The lowest measured onset temperature is corrected to the standard pressure to be 252.99°C and the highest onset temperature to be 262.46°C. As the corrected onset temperatures in both tests deviate by more than 0.5 K from their mean value of 257.73°C, the test item has a boiling range of 253 – 262°C. No further thermal effects were observed up to the maximum test temperature of 500°C.
Table 1. Boiling point results
| Replicate | Sample weight (mg) | Onset of effect (°C) | Range of effect (°C) | Weight loss (mg) | Atmospheric pressure (hPa) |
| 1 | 14.42 | 262.81 | 200 -310 (endo), 360 -470 (exo) |
14.05 | 1021.1 |
| 2 | 13.13 | 253.34 | 200 -310 (endo), 330 -460 (exo) | 12.82 | 1021.1 |
Description of key information
The boiling point of the test item was determined to be 253 to 262°C at atmospheric pressure.
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 262 °C
Additional information
Boiling point was determined by differential scanning calorimetry according to OECD Guideline 103 and EU Method A.2 (2017). The study was not performed under GLP, however the test facility was GLP-compliant. The study is considered to be reliable without restrictions (Klimisch 1). The boiling point of the test item was determined to be 253 to 262°C at atmospheric pressure.
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