Registration Dossier
Registration Dossier
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EC number: 202-700-3 | CAS number: 98-79-3
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:
- The experimental work associated with this study was carried out between 11 November 2016 and 22 March 2017
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- capillary method
- Specific details on test material used for the study:
- Test substances: (2S)-5-oxopyrrolidine-2-carboxylic acid Technical Materials
Acid Source: (2S)-5-oxopyrrolidine-2-carboxylic acid (Acid Source)
Salt Source: (2S)-5-oxopyrrolidine-2-carboxylic acid (Potassium Salt)
Received on: 8th November 2016
DNAL Sample Numbers: DNA3730/1-2
Reference Standard: (S)-(-)-2-Pyrrolidinone-5-carboxylic acid reference standard
Received on: 6th January 2017 - Key result
- Melting / freezing pt.:
- ca. 161.9 °C
- Conclusions:
- According to the results obtained in this test, the mean melting point of the reference standard is 161.9 deg C.
Reference
No significant deviation was recorded in this part of the study.
| Analysis/Test | Method | Sample Reference Standard |
| Melting Point | EEC A1 | Reference standard/A; 162.0 deg C Reference standard/B; 161.8 deg C Mean; 161.9 deg C |
Description of key information
Pidolic acid is white crystalline solid with a melting point of 161.9 deg C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 161.9 °C
Additional information
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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