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.
Melting point / freezing point
Administrative data
Link to relevant study record(s)
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 29 to 29 March 2019
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Justification for type of information:
- The study was conducted according to an internationally recognised method, and under GLP. Test substance is adequately characterised. Therefore, full validation applies.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- differential scanning calorimetry
- Specific details on test material used for the study:
- EssentÍal oil of Summer Savory/batch No. SSVI.ES.sample
Date of manufacture: 08.01.2019
Expration date of the batch: 08.01.2021
UVCB substance;
Purity test date: 18.01.2019 - Key result
- Melting / freezing pt.:
- <= -20 °C
- Atm. press.:
- 1 013.3 hPa
- Decomposition:
- no
- Decomp. temp.:
- 115 °C
- Sublimation:
- no
- Conclusions:
- No melting point exists above -20 "c.
- Executive summary:
The melting point of the test substance was determined under GLP according to OECD 102 / EU A1 guideline,using differential scanning calorimetry. No melting point was measured by DSC above -80 °C. However, since melting may be hindered at low temperatures due to supercooling it should only be assumed that no melting point exists above -20 °C.
Reference
Description of key information
No melting point exists above -20 ºC at 101 325 Pa.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -20 °C
Additional information
A fully reliable experimental study, conducted according to OECD 102/EC A.1 method, is available. Therefore, it is considered as a key study. Differential scanning calorimetry (DSC) is used for determination (equipment: DSC: Mettler-Toledo). The test item and the reference are cooled down to -80 ºC at a constant heating rate in a defined atmosphere (nitrogen). Open crucibles are used as containers for the test item and as empty reference crucible. No endothermal effect below ambient temperature is recorded. No melting point is measured by DSC above -80 ºC. However, since melting may be hindered at low temperatures due to supercooling it should only be assumed that no melting point exists above -20 ºC.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
