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Registration Dossier
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EC number: 951-493-2 | CAS number: -
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2002
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- The study was conducted according to an internationally recognised method, but without detailed documentation and non-GLP. Therefore validation applies with restrictions.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 002
- Report date:
- 2002
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- 1981
- GLP compliance:
- no
- Type of method:
- dynamic method
- Remarks:
- ebulliometer
Test material
- Reference substance name:
- Reaction mass of methyl (3E)-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-hexenoate and methyl (3Z)-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-hexenoate
- EC Number:
- 951-493-2
- Molecular formula:
- C17H28O2
- IUPAC Name:
- Reaction mass of methyl (3E)-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-hexenoate and methyl (3Z)-4-methyl-6-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-hexenoate
- Test material form:
- liquid
- Details on test material:
- Appearance: pale yellow liquid
Constituent 1
Results and discussion
Vapour pressure
- Key result
- Temp.:
- 20 °C
- Vapour pressure:
- 0.128 Pa
Any other information on results incl. tables
Detailed values are not provided.
The coefficients of the Antoine's equation are as follows:
VP(T) = 10exp{A-[B/(t+C)]} (mmHg)
or VP(T) = 10exp{(A+0.1249030)-[B/(t+C)]} (mbar)
A=8.3981;
B=3169.8;
C=257.7; (mmHg)
T = temperature in °C
Applicant's summary and conclusion
- Conclusions:
- Low volatility (based on volatility bands criteria for occupational exposure (Chesar / ECETOC TRA), << 500 Pa).
- Executive summary:
The vapour pressure of the test substance was measured according to OECD104 guideline, dynamic (ebulliometer) method.
Measurements were recorded, and the coefficients of the non-linear Antoine's equation between VP and 1/T were calculated.
From this relationship, the extrapolated vapour pressure of the substance at 20°C is 0.128 Pa.
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