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EC number: 823-920-1 | CAS number: 5341-95-7
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
- Study period:
- 2018.10.31 - 2018.12.05
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Version / remarks:
- 27 July 1995
- Deviations:
- no
- GLP compliance:
- no
- Other quality assurance:
- ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
- Type of method:
- method to determine freezing temperature
- Remarks:
- ; differential scanning calorimeter (DSC)
- Key result
- Melting / freezing pt.:
- >= 12.5 - <= 13.5 °C
- Atm. press.:
- 101.3 kPa
- Decomposition:
- no
- Sublimation:
- no
- Key result
- Melting / freezing pt.:
- >= 285.5 - <= 2 286.5 K
- Atm. press.:
- 101.3 kPa
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- The freezing point of 2,3-butanediol ((2R,3S)-rich) was (13 ± 0.5) ℃ {(286 ± 0.5) K} at 101.3 kPa.
- Executive summary:
The freezing point of the sample was measured by Freezing point apparatus. The freezing point was (13 ± 0.5)℃ {(286 ± 0.5) K} at 101.3 kPa. The freezing point of 2,3-butanediol ((2R,3S)-rich) was not determined at 101.3 kPa by DSC.
Reference
Description of key information
The freezing point of 2,3-butanediol ((2R,3S)-rich) was (13 ± 0.5) ℃ {(286 ± 0.5) K} at 101.3 kPa.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 13 °C
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