Registration Dossier
Registration Dossier
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EC number: 283-922-8 | CAS number: 84775-98-4 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Satureja hortensis, Labiatae.
Vapour pressure
Administrative data
Link to relevant study record(s)
- Endpoint:
- vapour pressure
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- weight of evidence
- Study period:
- 1-30.12.2018
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
- Justification for type of information:
- The vapour pressure is calculated as the sum of the partial pressures of the known constituents with vapour pressures in the range 2.93 - 655 Pa at 25°C.
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Reason / purpose for cross-reference:
- reference to other study
- Principles of method if other than guideline:
- No study was conducted on the Summer savory oil tself.
The test item is a natural complex substance (NCS). It is a UVCB substance with 11 constituents, that represent more than 95% of the composition. Data for the vapour pressure (VP) of these components was harvested from the literature or calculated using a QSAR model. Following recommendations for the registration of NCSs, the VP was calculated as the sum of the partial pressures of the known constituents (molar fraction), based on the following typical composition:
43.00 %w/w Carvacrol, 34.00 %w/w P-mentha-1,4-diene/gamma terpinen, 2.00 %w/w Myrcene, 1.50 %w/w Pin-2(3)-ene/ a-pinene, 0.80 %w/w Beta-pinene, 8.00 %w/w para-cymene, 3.50 %w/w Alpha-terpinene, 0.50 %w/w Limonene, 1.50 %w/w Alpha-thujene, 1.00 %w/w Beta-caryophyllene, 1.50 %w/w Beta-bisabolene. - Key result
- Temp.:
- 25 °C
- Vapour pressure:
- 115 Pa
- Conclusions:
- The vapour pressure is 115 Pa at 25°C. The value is calculated on the basis of data on eleven consituents of the oil with vapour pressure in the range 2.93 - 655 Pa at 25°C.
- Executive summary:
No study was conducted on the oil itself.
The test item is a natural complex substance (NCS). It is a UVCB susbtance with 11 constituents, that represent more than 95% of it. Data for the vapour pressure (VP) of these components was harvested from the literature or calculated using a QSAR model. Following recommendations for the registration of NCSs, the VP was calculated as the sum of the partial pressures of the known constituents (molar fraction), based on the typical composition of the substance.
The calculated vapour pressure of the Summer Savory oil is 115 Pa at 25°C.
Reference
Description of key information
The vapour pressure is calculated as the sum of the partial pressures of the known constituents with vapour pressures in the range 2.93 - 655 Pa at 25°C.
Key value for chemical safety assessment
- Vapour pressure:
- 115.04 Pa
- at the temperature of:
- 20 °C
Additional information
No study was conducted on the substance itself.
The test item is a natural complex substance (NCS). It is a UVCB substance with 11 constituents, that represent more than 95% of the composition. Data for the vapour pressure (VP) of these components was harvested from the literature or calculated using a QSAR model. Following recommendations for the registration of NCSs, the Vapour pressure was calculated as the sum of the partial pressures of the known constituents (molar fraction), based on the following typical composition:
43.00 %w/w Carvacrol, 34.00 %w/w P-mentha-1,4-diene/gamma terpinen, 2.00 %w/w Myrcene, 1.50 %w/w Pin-2(3)-ene/ a-pinene, 0.80 %w/w Beta-pinene, 8.00 %w/w para-cymene, 3.50 %w/w Alpha-terpinene, 0.50 %w/w Limonene, 1.50 %w/w Alpha-thujene, 1.00 %w/w Beta-caryophyllene, 1.50 %w/w Beta-bisabolene.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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