Registration Dossier
Registration Dossier
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EC number: 295-985-9 | CAS number: 92201-55-3 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Cedrus atlantica, Pinaceae.
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 20/04/2016 - 29/04/2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- in accordance with GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Cedrus atlantica, ext.
- EC Number:
- 295-985-9
- EC Name:
- Cedrus atlantica, ext.
- Cas Number:
- 92201-55-3
- Molecular formula:
- Not applicable due to UVCB nature of the substance
- IUPAC Name:
- Essential oil of Cedarwood Atlas obtained from the wood of Cedrus atlantica by steam distillation
- Test material form:
- liquid
- Details on test material:
- Name of test material as cited in study report: Cedar atlantica oil
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: at room temperature
Constituent 1
Results and discussion
Melting / freezing point
- Key result
- Melting / freezing pt.:
- < -80 °C
- Atm. press.:
- 1 atm
Any other information on results incl. tables
The melting point was determined by DSC. In order to further investigate the melting temperature of the test substance, two samples of the test substance were stored for 18 hours at -22.2±0.6°C and -82.4± 2.1°C. It was observed after storage that the test substance was a liquid and a very viscous liquid respectively. According to this it was concluded that the melting temperature of the test substance was < -80°C (< 193K).
Applicant's summary and conclusion
- Conclusions:
- The melting temperature of Cedarwood Atlas oil was determined to be < -80°C (< 193K) using DSC-curve and applying a storage experiment in the freezer.
- Executive summary:
The melting temperature of Cedarwood Atlas oil was investigated according to OECD guideline 102 under GLP and was found to be <-80ºC (<193K ) at normal atmospheric pressure.
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