Registration Dossier
Registration Dossier
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EC number: 282-490-8 | CAS number: 84238-29-9 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Vetiveria zizanioides, Gramineae.
Boiling point
Administrative data
- Endpoint:
- boiling point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 07/04/2010 - 20/04/2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Non-GLP study according to international guideline (OECD guideline 103).
Cross-reference
- Reason / purpose for cross-reference:
- reference to same study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 010
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 103 (Boiling point/boiling range)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.2 (Boiling Temperature)
- Deviations:
- no
- Principles of method if other than guideline:
- Not relevant
- GLP compliance:
- no
- Type of method:
- differential scanning calorimetry
Test material
- Reference substance name:
- Vetivert oil
- IUPAC Name:
- Vetivert oil
- Details on test material:
- - Name of test material (as cited in study report): Vetivert oil
- Storage condition of test material: At room temperature at about 20 degrees Celsius
Constituent 1
Results and discussion
Boiling point
- Boiling pt.:
- 276 °C
- Atm. press.:
- 99.3 - 99.4 kPa
Any other information on results incl. tables
Preliminary Test
Two samples of the test item (clear yellow liquid) were heated from 25 °C up to 400 °C with a heating rate of 10 °C/min. The boiling of the test item started at 272 °C and 276 °C, respectively. After the measurements the test item was a clear brown liquid. The observed change in color is possibly due to decomposition of the test item.
The atmospheric pressure during the measurement was 99.1 kPa.
Main Tests
In order to determine the boiling point more precisely, a second capillary test was performed. Two samples of the test item (clear yellow liquid) were heated from 220 °C up to 340 °C with a heating rate of 5 °C/min. The test item boiled at about 276 °C. After the measurement the test item was a clear orange liquid. To verify this result, a DSC-run was performed from 25 °C up to 400 °C with a rate of 10 °C/min. A broad endothermic heat effect starting between 200 °C and 250 °C with an onset of 273.47 °C was observed. After the measurement, the sample had lost 89.5 % of its mass and a brown residue remained in the sample cup. The change in color may be result of decomposition of the test item.
For detailed results, see attached file results.doc.
Applicant's summary and conclusion
- Conclusions:
- The boiling point of vetivert oil is 276 degrees CElsius at 99.3 - 99.4 kPa.
- Executive summary:
The boiling point of vetivert oil was determined according to OECD guideline 103 using the capillary method. The boiling point was found to be 276 degrees Celsius at 99.3 99.4 kPa.
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