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Physical & Chemical properties

Melting point / freezing point

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Reference
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

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

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.

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.