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EC number: 605-301-6 | CAS number: 162691-59-0
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP guideline study, well documentetd
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 994
- Report date:
- 1994
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- GLP compliance:
- yes
- Type of method:
- other: effusionsmethod and dynamic method
Test material
- Reference substance name:
- 5-[3-(1-ethoxyethoxy)-3-methyl-4-penten-1-ynyl]-2,4,6,6-tetramethyl-5,6,7,7a-tetrahydro-1,3-benzodioxol-5-ol
- EC Number:
- 605-301-6
- Cas Number:
- 162691-59-0
- Molecular formula:
- C21 H32 O5
- IUPAC Name:
- 5-[3-(1-ethoxyethoxy)-3-methyl-4-penten-1-ynyl]-2,4,6,6-tetramethyl-5,6,7,7a-tetrahydro-1,3-benzodioxol-5-ol
- Details on test material:
- Chem. name 5-[3-(1-Ethoxy-ethoxy)-3-methyk-pent-4en-1inyl]-2,4,6,6-tetramethyl-5,6,7,7a-tetrahydro-benzil[1,3]-dioxol-5-ol
name of test material (as cited in study report): Asta-C-15-Acetal
Analytical purity: 90,6% all identifiyed C-15 components
2% C9-Acetal
0,65% C6 Acetal
2% water
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Remarks on result:
- other: calculated value based on measured value
- Temp.:
- 50.6 °C
- Vapour pressure:
- 0.014 Pa
- Remarks on result:
- other: measured value
Any other information on results incl. tables
ln(p/Pa) = 36,3658 -13162,7/(t(K)
| temperature t[°C] |
pressure (exp.) p[Pa] |
pressure (calc.) p[Pa] |
| 20,00 | 0,00020 | |
| 25,00 | 0,00042 | |
| 40,70 | 0,0038 a | 0,0038 |
| 50,00 | 0,013 | |
| 50,60 | 0,014 a | 0,014 |
| 60,80 | 0,049 a | 0,047 |
| 71,00 | 0,137 a | 0,152 |
| 124,50 | 29,0 b | 26,200 |
| 131,50 | 50,0 b | 46,400 |
| 136,50 | 67,0 b | 66,300 |
| 141,60 | 105,0 b | 102,400 |
| 150,60 | 194,0 b | 201,000 |
| 156,60 | 300,0 b | 310,100 |
| 164,50 | 506,0 b | 359,100 |
a = Effusionsmethode
b = dynamic method
Applicant's summary and conclusion
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