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EC number: 265-747-9 | CAS number: 65405-84-7
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 10/2005
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: According to OECD guideline
Cross-referenceopen allclose all
- Reason / purpose for cross-reference:
- reference to same study
- Reason / purpose for cross-reference:
- reference to other study
Data source
Reference
- Reference Type:
- other company data
- Title:
- Unnamed
- Year:
- 2 005
- Report date:
- 2005
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Deviations:
- not applicable
- Principles of method if other than guideline:
- Antoine-coefficient (130-240°C)
- GLP compliance:
- no
- Type of method:
- dynamic method
Test material
- Reference substance name:
- α,2,2,6-tetramethylcyclohexene-1-butyraldehyde
- EC Number:
- 265-747-9
- EC Name:
- α,2,2,6-tetramethylcyclohexene-1-butyraldehyde
- Cas Number:
- 65405-84-7
- Molecular formula:
- C14H24O
- IUPAC Name:
- 2-methyl-4-(2,6,6-trimethylcyclohex-2-en-1-yl)butanal
- Details on test material:
- - Name of test material (as cited in study report): Dihydro-C14-aldehyde
- Molecular weight (if other than submission substance): 208.3
- Analytical purity: 96.3%
- Purity test date: 21.05.2005
- Lot/batch No.: 7PM
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 140 °C
- Vapour pressure:
- 20 mBar
- Temp.:
- 210 °C
- Vapour pressure:
- 225 mBar
Any other information on results incl. tables
Calculated Values:
log p= A-B / (T+C)
A= 7.45272 mbar; B=2075.3826 mbar; C=196.82351 mbar; T= Temp
Temperature (°C) Vapour pressure (mbar)
163.88 50.00
183.79 100.00
206.03 200.00
220.29 300.00
231.03 400.00
239.75 500.00
247.15 600.00
253.60 700.00
259.34 800.00
264.53 900.00
269.87 1013.25
120.00 7.98
130.00 12.66
140.00 19.55
150.00 29.43
160.00 43.30
170.00 62.37
180.00 88.13
190.00 122.33
200.00 167.01
210.00 224.54
220.00 297.63
230.00 389.34
240.00 503.09
Applicant's summary and conclusion
- Conclusions:
- The vapour pressure of the test substance at 140.0/210°C was determined to be 20/225 mbar.
- Executive summary:
The determination of the vapour pressure was based on the following guideline: OECD guidelines for testing chemicals, Guideline No.104: "Vapour pressure curve", adopted May 12, 1981. The vapour pressure curve was constructed using the determination of the vapour pressure of Dihydro-C14 -aldehyde between 120 and 240 °C, using the dynamic Technique. The vapour pressure of Dihydro-C14 -Aldehyde was interpolated to be 20 mbar at 140.0 °C.
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