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EC number: 203-596-2 | CAS number: 108-58-7
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
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- There were no deviations from the study plan.
- Other quality assurance:
- other: German Chemicals Act (ChemG), Annex 1 and Directive 2004/10/EC
- Type of method:
- method to determine freezing temperature
- Specific details on test material used for the study:
- Batch No.: 0900243308
- Melting / freezing pt.:
- >= -35 - <= -32 °C
- Atm. press.:
- >= 988.8 - <= 994.4 mBar
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- A freezing range according to the criteria of the guidelines could be determined at -32 °C to -35 °C. At the end of the measurement, the test item (Resorcinol diacetate) was solid.
- Executive summary:
For Resorcinol diacetate a freezing range at -32 °C to -35 °C was determined.
Reference
following observations are made during freezing:
Stage A: The sample temperature decreases uniformly.
Stage B: The sample temperature rises suddenly as the test item crystallizes.
Stage C: The sample temperature remains constant for a short time.
Description of key information
A freezing range according to the criteria of the guidelines could be determined at -32 °C to -35 °C for Resorcinol diacetate.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -32 °C
Additional information
The atmospheric pressure was 994.4 to 988.8 mbar ( 99 440 - 98 880 Pa).
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