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EC number: 417-310-0 | CAS number: 72903-27-6
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:
- 23rd December 1994 to 31st March 1995
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Remarks:
- Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of relevant results.
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Date of inspection: 31st January 1994 Date of signature: 16th March 1994
- Type of method:
- method to determine freezing temperature
- Specific details on test material used for the study:
- Container: metal canister
Storage conditions: Room temperature until 1st December 1994, thereafter room temperature in the dark. - Melting / freezing pt.:
- -11 °C
- Atm. press.:
- ca. 101.3 hPa
- Decomposition:
- no
- Sublimation:
- no
- Key result
- Melting / freezing pt.:
- -12 °C
- Atm. press.:
- ca. 101.3 hPa
- Decomposition:
- no
- Sublimation:
- no
- Conclusions:
- The freezing point of ST 02 C 94 was determined to be -12 +/- 0.5 °C.
- Executive summary:
Method: The experimental procedure used complied with that specified in EU Method A1.
Procedure: An aliquot of test material was placed into freezing point apparatus, and cooled using a dry ice/acetone bath.
Results: The freezing point of ST 02 C 94 was determined to be -12 +/- 0.5 °C.
Reference
Description of key information
Experimental freezing point (i.e. liquid-to-solid transition).
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- -12 °C
Additional information
An experimental study on freezing point measurement of the test material, was conducted under GLP, and considered as fully reliable. Therefore the result is considered as key data.
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