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EC number: 268-407-8 | CAS number: 68083-58-9
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:
- 8 October 2014 to 8 December 2014
- 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:
- no
- Type of method:
- dynamic method
- Temp.:
- 20 °C
- Vapour pressure:
- 3.7 Pa
- Temp.:
- 25 °C
- Vapour pressure:
- 5.4 Pa
- Temp.:
- 50 °C
- Vapour pressure:
- 29.7 Pa
- Conclusions:
- The vapour pressure of 1,3-dimethyl-3-phenylbutyl acetate was determined to be 3.7 Pa at 20 °C, 5.4 Pa at 25 °C and 29.7 Pa at 50 °C using the vapour-liquid equilibrium (VLE) method (Dynamic method).
- Executive summary:
The vapour pressure of 1,3-dimethyl-3-phenylbutyl acetate was determined to be 3.7 Pa at 20 °C, 5.4 Pa at 25 °C and 29.7 Pa at 50 °C using the vapour-liquid equilibrium (VLE) method (Dynamic method). The vapour pressure of the test item was determined in a vapour/liquid equilibrium apparatus following OECD guideline 104 (2014). The study is considered reliable and relevant for use for this endpoint.
Reference
The measured vapour pressure values between 117.5 and 210 °C are shown in the table below:
Table 1. Meaured vapour pressure values
No. |
Temperature ºC |
Vapour Pressure hPa |
Remark |
1 |
117.5 |
9.9 |
measured up |
2 |
135.5 |
19.9 |
measured up |
3 |
145.1 |
29.8 |
measured up |
4 |
152.9 |
39.9 |
measured up |
5 |
159.0 |
49.7 |
measured up |
6 |
179.3 |
98.6 |
measured up |
7 |
201.6 |
198.8 |
measured up |
8 |
210.0 |
248.7 |
measured down |
9 |
192.3 |
149.4 |
measured down |
10 |
172.5 |
79.4 |
measured down |
11 |
137.7 |
24.9 |
measured down |
No thermal effects were observed up to 300 °C.
Description of key information
The vapour pressure of 1,3-dimethyl-3-phenylbutyl acetate was determined to be 3.7 Pa at 20 °C, 5.4 Pa at 25 °C and 29.7 Pa at 50 °C.
Key value for chemical safety assessment
- Vapour pressure:
- 3.7 Pa
- at the temperature of:
- 20 °C
Additional information
The vapour pressure of the test item was determined in a vapour/liquid equilibrium apparatus following OECD guideline 104 (2014). The study is considered reliable and relevant for use for this endpoint.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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