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EC number: 221-909-0 | CAS number: 3278-22-6
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 017
- Report date:
- 2017
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Version / remarks:
- August 24, 2009
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Version / remarks:
- March 23, 2006
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Version / remarks:
- August 1996
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- effusion method: isothermal thermogravimetry
Test material
- Reference substance name:
- 1,1'-[methylenebis(sulphonyl)]diethylene
- EC Number:
- 221-909-0
- EC Name:
- 1,1'-[methylenebis(sulphonyl)]diethylene
- Cas Number:
- 3278-22-6
- Molecular formula:
- C5H8O4S2
- IUPAC Name:
- (ethenesulfonyl)methanesulfonylethene
- Test material form:
- solid: particulate/powder
- Details on test material:
- white crystalline powder
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- <= 0.002 Pa
- Temp.:
- 25 °C
- Vapour pressure:
- <= 0.004 Pa
Applicant's summary and conclusion
- Conclusions:
- The isothermal TGA effusion method was applied for the determination of the vapour pressure of CH02241.
The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was ≤ 2.1 × 10^-3 Pa and ≤ 4.1 × 10^-3 Pa at 20°C and 25°C, respectively.
The weight losses of the test item were obtained with a temperature program above the melting temperature of the test item. According to this, the vapour pressure of the test item (which was, according to the method, extrapolated to 20°C and 25°C) could be slightly overestimated.
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