Registration Dossier
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EC number: 201-803-0 | CAS number: 88-14-2
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
- Justification for type of information:
- Experimental test result performed using standard test guidelines
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- GLP compliance:
- no
- Type of method:
- capillary method
- Key result
- Melting / freezing pt.:
- > 125.8 - < 128.8 °C
- Atm. press.:
- 970 hPa
- Decomposition:
- no
- Sublimation:
- no
- Remarks on result:
- other: other details not available
- Conclusions:
- The melting point determination of test chemical was done following OECD Guideline 102 and according to the metal block capillary method. The test was conducted in replicates and mean melting temperature range was determined to be 125.8-128.8°C at 970.0 hPa.
- Executive summary:
The melting point determination of test chemical was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The mean melting temperature range was determined to be 125.8-128.8°C at 970.0 hPa.
Reference
Method Details
|
Observations |
Remarks if, any |
|
Guideline |
OECD 102 |
- |
|
Method |
Capillary/metal block |
- |
|
Principle of method |
The temperature at which a solid becomes a liquid at standard atmospheric pressure |
- |
|
Grinding of Test item done |
|
Not required |
|
Atmospheric pressure |
hPa |
970.0 hPa |
|
Decomposition |
Decomposition temperature (°C), if applicable |
No |
|
Sublimation |
Sublimation temperature(°C), if applicable |
No |
|
mean melting temperature range |
°C |
125.8-128.8 °C |
|
Description of key information
Based on the data from study report,the melting point determination of test chemical was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The mean melting temperature range was determine to be 125.8-128.8°C at 970.0 hPa.
Key value for chemical safety assessment
- Melting / freezing point at 101 325 Pa:
- 125.8 °C
Additional information
Based on the data from study report,the melting point determination of test chemical was done as per the test guideline OECD 102. The method followed was according to Capillary/metal block. The mean melting temperature range was determine to be 125.8-128.8°C at 970.0 hPa.
In a supporting study from handbook, the melting point of test chemical was determined to be 129.5°C.
On the basis of available data, the melting point of test chemical was determined to be 130°C.
Additional study from reliable sources indicates the melting point of test chemical was determined to be in the range of 133 to 134°C.
In a supporting study, the melting point of test chemical was determined to be 133°C.
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