Registration Dossier
Registration Dossier
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EC number: 295-155-6 | CAS number: 91844-86-9 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Artemisia pallens, Compositae.
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:
- 10/12-February 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- GLP study carried out according to OECD / EU guidelines.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Version / remarks:
- 2008
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 1995
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Inspected on 15/16 November 2017, signed on 15 May 2018
- Type of method:
- differential scanning calorimetry
- Remarks:
- Preliminary test only
- Specific details on test material used for the study:
- Appearance: yellow to red, clear liquid
Storage room temperature: 20 ± 5 °C (293.15 ±5 K) - Key result
- Melting / freezing pt.:
- < -20 °C
- Remarks on result:
- other: Premliminary Test Only
- Remarks:
- According to REACH Regulation Annex VII, the determination of the melting / freezing point does not need to be conducted below a lower limit of - 20 °C; therefore no main test was performed.
- Conclusions:
- In the preliminary test the susbtance appeared liquid at -20.8 °C (252.35 K) so the freezing/melting point was stated as < - 20 °C (< 253.15 K).
- Executive summary:
The melting point of the test substance was determined under GLP according to OECD 102 / EU A.1 guideline, using differential scanning calorimetry (DSC) method.
In the preliminary test, the test item was not frozen at -20.8°C (252.35 K) so According to REACH Annex VII, no main test was performed and the freezing/melting point was stated as < - 20 °C (< 253.15 K).
Reference
Finding
Pre-test
The test item appeared still liquid, slightly more viscous at -18.9°C (254.25 K) than the one at 3.1°C (276.25 K) which was still liquid like original state.
At -80°C (193.15 K) the test item was solid, like ice.
Melting point was additionally investigated at -20.8°C (252.35 K) and the test item was not frozen.
Description of key information
The freezing/melting point was stated as < - 20 °C (< 253.15 K).
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 a recognized OECD 102 / EU A.1 method and under GLP, is available.
It is considered as a key study, and the result is retained as key data.
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.
