Registration Dossier
Registration Dossier
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EC number: 444-900-5 | CAS number: 49667-22-3
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: According to official guidelines and GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.4 (Vapour Pressure)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 104 (Vapour Pressure Curve)
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 830.7950 (Vapor Pressure)
- Principles of method if other than guideline:
- The vapour pressure of the test item (PT) was determined by the isothermal thermogravimetric effusion method.
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- effusion method: by loss of weight or by trapping vaporisate
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
- Type:
- Constituent
- Test material form:
- solid: crystalline
- Details on test material:
- Identification: V250208
Appearance: Off-white crystals
Batch: F8A
Purity/Composition: >96 %
<3 % 4-methylsalicylacid
<1 % 4-methylsalicylacid-methylester
<0.5 % water
Test item storage: At room temperature protected from light
Stable under storage conditions until: 03 September 2016 (expiry date)
Molecular formula: C8H9NO2
Molecular weight: 151.16
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 20 °C
- Vapour pressure:
- 0 Pa
- Temp.:
- 25 °C
- Vapour pressure:
- 0 Pa
Applicant's summary and conclusion
- Conclusions:
- The isothermal TGA effusion method was applied for the determination of the vapour pressure of V250208.
The vapour pressure of the test item at 20°C (293K) and 25°C (298K) was: 7.5 x 10^-5 and 1.7 x 10^-4 Pa respectively
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