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EC number: 948-069-4 | 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
- Study period:
- From 03/07/2012 to 24/07/2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- The study was conducted according to an internationally recognised method, and under GLP. Purity is specified. Therefore full validation applies.
- 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
- Qualifier:
- according to guideline
- Guideline:
- other: BS4633; Determination of crystallizing point
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- inspection 15-16/11/2011, decision 12/03/2012, signature 01/05/2012
- Type of method:
- method to determine freezing temperature
- Specific details on test material used for the study:
- Storage condition of test material: Refrigerator (between 0 and 10°C under nitrogen)
- Key result
- Melting / freezing pt.:
- -1.5 °C
- Executive summary:
The freezing point of the test substance was determined under GLP according to BS4633 (listed in OECD 102/EU A1 guideline), crystallizing point method.
Two main runs were performed. Freezing (i.e. liquid-solid transition) occurs at the mean temperature of -1.5°C (271.5K).
Reference
Detailed results and graphs are available in the study report.
The test material change in appearance during cooling.
accuracy +/-0.5 °C
Description of key information
Freezing (i.e. liquid-solid transition) occurs at the temperature of -1.5°C (271.5K).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -1.5 °C
Additional information
A fully reliable experimental study, conducted according to a recognized OECD/EC method and under GLP, is available. It is considered as a key study. The result is retained as key data.
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