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Diss Factsheets

Physical & Chemical properties

Melting point / freezing point

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Administrative data

Link to relevant study record(s)

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 OECD 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.:
> 146 - < 148.5 °C
Atm. press.:
97 450 Pa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: Capillary/metal block method

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 

 974.5 hPa

 Decomposition

 

Decomposition temperature

(°C), if applicable

 No

 Sublimation

 

Sublimation temperature

(°C), if applicable

NO 

 Mean Melting Point

 °C

 146 to 148.5°C

Conclusions:
The melting point determination of test chemical was done as per the test guideline OECD Guideline 102 (Melting point / Melting Range). The method followed was according to Capillary/metal block. The test was conducted in replicates and mean melting point was determined to be in the range of 146°C to 148.5°C at 97450 Pa.
Executive summary:

The melting point determination of test chemical was done as per the test guideline OECD Guideline 102 (Melting point / Melting Range). The method followed was according to Capillary/metal block. The test was conducted in replicates and mean melting point was determined to be in the range of 146°C to 148.5°C at 97450 Pa.

Description of key information

Based on the available data from study report, the melting point determination of test chemical was done as per the test guideline OECD Guideline 102 (Melting point / Melting Range). The method followed was according to Capillary/metal block. The test was conducted in replicates and mean melting point was determined to be in the range of 146°C to 148.5°C at 97450 Pa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
146 °C

Additional information

Based on the available data from study report, the melting point determination of test chemical was done as per the test guideline OECD Guideline 102 (Melting point / Melting Range). The method followed was according to Capillary/metal block. The test was conducted in replicates and mean melting point was determined to be in the range of 146°C to 148.5°C at 97450 Pa.

In a supporting study from secondary source,the melting point of test chemical was determined to be in the range of 146°C to 148°C.

Additional study from handbook indicates the melting point of test chemical in the range of 145°C to 148°C.

From various reliable handbooks and authoritative & modelling database, the melting point of test chemical was determined to be 149°C.