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EC number: 274-986-8 | CAS number: 70892-34-1
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:
- October 26, 2011 - October 27, 2011
- 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/boiling range)
- Deviations:
- no
- GLP compliance:
- no
- Type of method:
- differential thermal analysis
- Key result
- Boiling pt.:
- 97.1 - 100 °C
- Atm. press.:
- 1 013.3 hPa
- Executive summary:
Boiling Point / Boiling Range:
The boiling range of the test item at atmospheric pressure (1013.3 hPa) is 97.1 – 100.0 °C.
Reference
Boiling Point / Boiling Range (DSC):
Four measurements in aluminium crucibles with a hole showed an endothermic effect (boiling) in the temperature range 50 °C to 160 °C with an onset temperature between 96.9 °C and 99.8 °C.The onset temperature is derived from the intersection of the tangent line with the highest slope of the endothermic peak with the baseline.
Ident-No. | Onset / °C | Temperature range / °C | Crucible |
32281 | 96.91 | 50 – 160 | Aluminium with a hole |
32282 | 99.64 | 90 – 160 | Aluminium with a hole |
32283 | 99.80 | 95 – 160 | Aluminium with a hole |
32285 | 98.85 | 95 – 145 | Aluminium with a hole |
For the correctionDtof the boiling point to standard atmospheric pressure (1013.3 hPa) the equation, table and graphs ofH.B. Hass and R.F. Newton in „CRC Handbook of Chemistry and Physics, 74th ed. 1993-1994“, pages 15-16 and 15-17 were used.
Dt = [(273.15+t) (3.0057-log p)] / [F+ 0.15(3.0057-log p)] (t in °C, p in hPa)
For theestimationofFthe test item was classified in group 6 (water) according to the table of H.B Hass and R.F. Newton.
Ident.-No. | Onset / °C | Atmospheric pressure / hPa | F | Dt / °C | Boiling point at 1013.3 hPa / °C |
32281 | 96.91 | 1005 | 5.664 | 0.231 | 97.14 |
32282 | 99.64 | 1005 | 5.670 | 0.232 | 99.87 |
32283 | 99.80 | 1006 | 5.671 | 0.204 | 100.00 |
32285 | 98.85 | 1006 | 5.669 | 0.204 | 99.05 |
The test item has a boiling range at atmospheric pressure (1013.3 hPa) of 97.1 °C to 100.0 °C.
Description of key information
The test item has a boiling range at atmospheric pressure of 97.1 ºC to 100.0 ºC
Key value for chemical safety assessment
Additional information
The boiling point of the test item is influenced by its high water content.
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