Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
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
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- 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
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Source and lot/batch number of test material:
4133/00-K0
- Expiration date of the lot/batch:
June 08, 2021
- Purity test date:
Certificate dated from December 03, 2020, Umicore, Germany
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: Room temperature (10°C to 30 °C), dark, dry
FORM OF TEST MATERIAL
- Content: Pt 1.820 % (ICP-OES)
- Form: liquid
- Appearance: Pale yellow clear liquid - Melting / freezing pt.:
- ca. -6.6 °C
- Decomposition:
- no
- Conclusions:
- The test item had a mean melting point of -6.6 °C.
- Executive summary:
Huber-Lohr (2021) is a GLP-compliant study following OECD guideline 102 and EU method A1. It is reliable without restrictions and can be used as a key study for this endpoint. Melting point was determined using differential scanning calorimetry. The test item had a mean melting point of -6.6 °C.
Reference
Table 1: Melting point (DSC measurements)
Ident No. | Test item / mg | Starting temperature / °C | Final test temperature / °C | Temperature range (endo-thermal) / °C | Onset (melting) / °C | Crucible | Observations after the measurement |
39425 | 13.09 | -80 | 25 | (-20) – 15 | -6.5 | open glass | Test item was unchanged mass loss: 3 % |
39422 | 24.10 | -80 | 25 | (-15) – 20 | -6.1 | open glass | Test item was unchanged mass loss: 9 % |
39522 | 14.04 | -80 | 25 | (-20) – 15 | -7.1 | closed glass | Test item was unchanged |
Description of key information
The test item had a mean melting point of -6.6 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -6.6 °C
Additional information
Huber-Lohr (2021) is a GLP-compliant study following OECD guideline 102 and EU method A1. It is reliable without restrictions and can be used as a key study for this endpoint. Melting point was determined using differential scanning calorimetry. The test item had a mean melting point of -6.6 °C.
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.
