Registration Dossier
Registration Dossier
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EC number: 216-263-1 | CAS number: 1538-75-6
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:
- 2015
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Deviations:
- no
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- not applicable
- GLP compliance:
- no
- Type of method:
- thermal analysis
- Melting / freezing pt.:
- 2.13 °C
- Decomposition:
- no
- Remarks on result:
- other: No pressure reported
- Conclusions:
- The melting point of 2,2-dimethylpropanoic anhydride was measured to be 2.13 °C and no pressure was reported.
- Executive summary:
According to OECD Guidelines for Testing of Chemicals, Section 1 ¿ Physical-Chemical Properties No: 102 ¿Melting Point / Melting Range¿ and to Council Regulations EC No 440/2008, Guideline Part A ¿ Methods for the Determination of Physico-Chemical Properties, A.1. ¿Melting / Freezing Temperature¿ a melting point of 2.13 °C was determined. No pressure was reported. Between 70 and 200 °C an additional endothermic phases could be detected. The melting process was found to be reversible.
Reference
Description of key information
The melting point of the substance was measured to be 2.13 °C.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 2.13 °C
Additional information
No pressure is reported.
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