Registration Dossier
Registration Dossier
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EC number: 418-480-9 | CAS number: 138526-69-9 1-BROM-3,4,5-TRIFLUORBENZOL; 1-BROMO-3,4,5-TRIFLUOROBENZENE
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:
- 01.08.1995
- 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:
- Directive 92/69/EEC
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method according to Siwoloboff
- Key result
- Boiling pt.:
- 139 °C
- Atm. press.:
- >= 100.1 - <= 100.6 kPa
- Decomposition:
- no
- Conclusions:
- The boiling point of the test item was determined to be 139 °C at 100 kPa.
- Executive summary:
A study was conducted according to Directive 92/69/EEC method A.2 to determine the boiling point of the test item using the principle according to Siwoloboff. An aliquot of test material was placed in a test tube and a fused capillary tube was inserted into the sample such that the fused section was below the surface of the sample. The test tube was placed in a liquid bath and the bath heated steadily. The boiling point was determined to be 139 °C at 100 kPa.
Reference
Stage of test |
Temperature (K) |
|
Determination 1 |
Determination 2 |
|
Bubbles began to emerge from the closed capillary tube. |
349 |
349 |
Bubbles were emerging from the closed capillary tube at a steady rate - the heat source was removed. |
428 |
422 |
Boiling temperature - test material rose rapidly inside the closed capillary tube. |
412 |
412 |
Atmospheric pressure (kPa) |
100.1 |
100.6 |
Mean boiling temperature = 412 ± 2 K (139 °C)
Description of key information
The boiling point of the test item was determined to be 139 °C at 100 kPa (reference 4.3-1).
Key value for chemical safety assessment
- Boiling point at 101 325 Pa:
- 139 °C
Additional information
A study was conducted according to Directive 92/69/EEC method A.2 to determine the boiling point of the test item using the principle according to Siwoloboff. An aliquot of test material was placed in a test tube and a fused capillary tube was inserted into the sample such that the fused section was below the surface of the sample. The test tube was placed in a liquid bath and the bath heated steadily. The boiling point was determined to be 139 °C at 100 kPa.
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