Registration Dossier
Registration Dossier
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EC number: 944-209-3 | CAS number: -
Vapour pressure
Administrative data
- Endpoint:
- vapour pressure
- Type of information:
- migrated information: read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reliability:
- 4 (not assignable)
- Rationale for reliability incl. deficiencies:
- other: no information available whether the calculation model is validated for the substance under investigation
Data source
Reference
- Reference Type:
- other: unpublished calculation
- Title:
- Unnamed
- Year:
- 2 009
Materials and methods
Test guideline
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- Amides, C8-18 even numbered, C18 unsatd., N-[3-(dimethylamino)propyl] represent a mixture containing C8-, C10-, C12-, C14-, C16-, C18- and C18 unsatd. alkyl chains. Based on this and the variable composition of the compound (alkyl chain distribution dependent on origin of the fatty acid used) the calculation of physico-chemical properties for the mixture is not feasible. To get a hint on the physico-chemical data, a calculation was conducted for the C8, C12 and the C18 derivates. The vapour pressures of the C8, C12 and C18 derivates were calculated using EPIWIN v4.0, MPBPWIN v1.43.
- GLP compliance:
- no
- Type of method:
- other: calculation
Test material
- Reference substance name:
- Amides, C8-18, C18 unsatd, N-[3-(dimethylamino)propyl]
- IUPAC Name:
- Amides, C8-18, C18 unsatd, N-[3-(dimethylamino)propyl]
Constituent 1
Results and discussion
Vapour pressureopen allclose all
- Temp.:
- 25 °C
- Vapour pressure:
- 0.001 hPa
- Remarks on result:
- other: C8 derivate
- Temp.:
- 25 °C
- Vapour pressure:
- 0 hPa
- Remarks on result:
- other: C12 derivate (contained 40-60% in the substance)
- Temp.:
- 25 °C
- Vapour pressure:
- 0 hPa
- Remarks on result:
- other: C18 derivate
Applicant's summary and conclusion
- Conclusions:
- Amides, C8-18 even numbered, C18 unsatd., N-[3-(dimethylamino)propyl] represents a mixture containing C8-, C10-, C12-, C14-, C16-, C18- and C18 unsatd. alkyl chains. Based on this and the variable composition of the compound (alkyl chain distribution dependent on origin of the fatty acid used) the calculation of physico-chemical properties for the mixture is not feasible. To get a hint on the physico-chemical data, a calculation was conducted for the C8, C12 and the C18 derivates. Vapour pressures of 9.86E-04 hPa (7.4E-06 mm Hg; C8 derivate), 3.96E-07 hPa (2.97E-07 mm Hg; C12) and 2.23E-09 hPa (1.67E-09 mm Hg; C18 derivate, at 25 °C each) were calculated using EPIWIN v4.0, MPBPWIN v1.43. Due to missing information about the applicability of the calculation model in respect to the substance under investigation the results should be treated with care.
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