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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)
Principles of method if other than guideline:
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.
GLP compliance:
no
Type of method:
capillary method
Key result
Melting / freezing pt.:
>= 69 - <= 72.3 °C
Atm. press.:
965.6 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: other details not available

Observation Table & Result :

 Method Details    Observations
 Guideline  OECD 102  
 Method  Capillary/metal block  
 Principle of method  

The temperature at which a

solid becomes a liquid at

standard atmospheric

pressure

 

 Atmospheric

pressure

hPa 

 965.6hPa

 Decomposition

 

Decomposition temperature

(°C), if applicable

 No

 Sublimation

 

Sublimation temperature

(°C), if applicable

NO 

 Mean Melting Point

 °C

69 °C - 72.3°C 

 

Grinding of Test

item done

   Yes
Conclusions:
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 69 °C - 72.3°C at 965.6hPa.
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 determine to be 69 °C - 72.3°C at 965.6hPa.

Description of key information

On the basis of available 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 69 °C - 72.3°C at 965.6hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
69 °C

Additional information

On the basis of available 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 69 °C - 72.3°C at 965.6hPa.

In a supporting study from reliable sources such as authoritative database and handbook, the melting point of test chemical was determined to be in the range of 73°C to 75°C.

Additional study from reliable sources indicates the melting point of test chemical as 75°C.

Based on available data from reliable sources such as authoritative database and handbook, the melting point of test chemical was determined to be 72.8°C.

For the test chemical, the melting point of test chemical was determined to be 72.5°C.

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