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EC number: 202-491-9 | CAS number: 96-23-1
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 18 Oct 2017 to 01 Nov 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: isothermal thermogravimetry
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: Sponsor and ZMG-197685
- Expiration date of the lot/batch: 09 December 2017
- Purity test date: 28 December 2016 - Key result
- Test no.:
- #1
- Temp.:
- 20 °C
- Vapour pressure:
- 150 Pa
- Key result
- Test no.:
- #2
- Temp.:
- 20 °C
- Vapour pressure:
- 1.1 mm Hg
- Key result
- Test no.:
- #3
- Temp.:
- 25 °C
- Vapour pressure:
- 250 Pa
- Key result
- Test no.:
- #4
- Temp.:
- 25 °C
- Vapour pressure:
- 1.9 mm Hg
- Conclusions:
- The isothermal TGA effusion method was applied for the determination of the vapour pressure of 1,3-dichloro-2-propanol.
The vapour pressure of the test item at 20°C (293K) was 150 Pa (1.1 mmHg) and at 25°C (298K) was 250 Pa (1.9 mmHg).
Reference
The results of the isothermal TGA analysis for the test item and the vapour pressure at 20°Cand 25°Care given in Table 3 and Table 4.
Table 3
Results of the Vapour pressure Isothermal TGA Analysis
Temperature |
Weight loss |
νT |
logνT |
logPT |
PT |
30 |
87.0626 |
1.04x10-2 |
-1.98 |
2.60 |
4.0x102 |
|
87.8544 |
1.05x10-2 |
-1.98 |
2.60 |
4.0x102 |
40 |
189.983 |
2.27x10-2 |
-1.64 |
3.03 |
1.1x103 |
|
171.475 |
2.05x10-2 |
-1.69 |
2.98 |
9.4x102 |
50 |
365.535 |
4.36x10-2 |
-1.36 |
3.40 |
2.5x103 |
|
327.266 |
3.91x10-2 |
-1.41 |
3.33 |
2.2x103 |
Table 4
Vapour Pressure of the Test Item
Temperature |
logPT |
PT |
PT |
20 |
2.18 |
1.5x102 |
1.1 |
25 |
2.40 |
2.5x102 |
1.9 |
Description of key information
The isothermal TGA effusion method was applied for the determination of the vapour pressure of 1,3-dichloro-2-propanol.
The vapour pressure of the test item at 20°C (293K) was 150 Pa (1.1 mmHg) and at 25°C (298K) was 250 Pa (1.9 mmHg).
Key value for chemical safety assessment
- Vapour pressure:
- 150 Pa
- at the temperature of:
- 20 °C
Additional information
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