Registration Dossier
Registration Dossier
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EC number: 222-793-4 | CAS number: 3615-41-6
Boiling point
Administrative data
Link to relevant study record(s)
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7220 (Boiling Point / Boiling Range)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- other: modification of the Siwoloboff procedure
- Key result
- Boiling pt.:
- >= 123.3 - <= 139.6 °C
- Atm. press.:
- 102.2 kPa
- Decomposition:
- no
- Remarks on result:
- other: Range: 123.3 ± 0.8°C (396.4K) to 139.6 ± 0.9°C (412.7K). Upon melting the test substance was clear and colorless.
- Conclusions:
- The boiling point for the test substance was 139.6°C (range of 123.3 to 139.6°C) at 756.9 mm Hg.
- Executive summary:
The boiling point was determined using a modification of the Siwoloboff procedure described in OECD 103. Subsamples of the test substance were heated (in boiling point tubes and capillaries) using a temperature-controlled metal heating block instead of a liquid bath. The temperature at which a steady stream of bubbles emerged from the open end of a capillary tube submerged in the melted/liquid test substance was recorded and accepted as the boiling point. If a range of temperatures was noted between the first emergence of bubbles from the capillary tube until a steady stream emerged, a boiling range was reported. During the definitive boiling point testing the test substance samples provided a corrected mean boiling point of 139.6 ± 0.9°C (412.7K) and a mean corrected boiling range from 123.3 ± 0.8°C (396.4K) to 139.6 ± 0.9°C (412.7K) for the three tests. Upon melting, the test substance was clear and colorless. Upon removal from the instrument (at test termination), the test substance was light yellow in color.
Reference
Determination of the Uncorrected Boiling Point/Range for the Test Substance |
|||||
|
Instrument Gradient (°C/min) |
Barometric Pressure (mm Hg) |
Start of Boiling Range °C (K)1 |
End of Boiling Range °C (K)1 |
Boiling Point °C (K)1 |
112C-312-4 |
1.0 |
102.2 |
124.2 (397.4) |
140.7 (413.9) |
140.7 (413.9) |
112C-312-5 |
1.0 |
102.2 |
123.8 (397.0) |
140.0 (413.2) |
140.0 (413.2) |
112C-312-6 |
1.0 |
102.2 |
122.7 (395.9) |
138.9 (412.1) |
138.9 (412.1) |
Overall Means: |
102.2 |
123.6 (396.7) |
139.9 (413.0) |
139.9 (413.0) |
|
Standard Deviations: |
0.0 |
0.8 (0.8) |
0.8 (0.8) |
0.8 (0.8) |
|
CV (%): |
0.00 |
0.63 (0.20) |
0.56 (0.19) |
0.56 (0.19) |
|
1K (Kelvin) = °C + 273.15 Note:All calculations were performed using EXCEL 2010 in full precision mode. |
|||||
Determination of the Normal Boiling Point/Range for the Test Substance |
|||||
|
Instrument Gradient (°C/min) |
Barometric Pressure (mm Hg) |
Start of Boiling Range °C (K)1 |
End of Boiling Range °C (K)1 |
Boiling Point °C (K)1 |
112C-312-4 |
1.0 |
102.2 |
123.9 (397.1) |
140.4 (413.6) |
140.4 (413.6) |
112C-312-5 |
1.0 |
102.2 |
123.5 (396.7) |
139.7 (412.9) |
139.7 (412.9) |
112C-312-6 |
1.0 |
102.2 |
122.4 (395.6) |
138.6 (411.8) |
138.6 (411.8) |
Overall Means: |
102.2 |
123.3 (396.4) |
139.6 (412.7) |
139.6 (412.7) |
|
Standard Deviations: |
0.0 |
0.8 (0.8) |
0.9 (0.9) |
0.9 (0.9) |
|
CV (%): |
0.00 |
0.63 (0.20) |
0.65 (0.22) |
0.65 (0.22) |
|
1K (Kelvin) = °C + 273.15 Note:All calculations were performed using EXCEL 2010 in full precision mode. |
|||||
Description of key information
OECD Guideline 103
Key value for chemical safety assessment
Additional information
Value used for CSA:
123.3-139.6°C at 100.9 kPa
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