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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
Study period:
2017-02-07 – 2017-02-07
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Justification for type of information:
Experimental result performed using standard methods of analysis
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:
other: Capillary/metal block
Key result
Melting / freezing pt.:
148.5 - 153.8 °C
Atm. press.:
979.5 hPa
Decomposition:
no
Sublimation:
no
Remarks on result:
other: No other detail 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 

979.5 hPa 

 Decomposition

 Decomposition temperature

(°C), if applicable

 No

 Sublimation

 Sublimation temperature

(°C), if applicable

NO 

 Mean Melting Point

 °C

 148.5 - 153.8°C

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 Point was determined to be 148.5 - 153.8°C at 979.5 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 Point was determined to be 148.5 - 153.8°C at 979.5 hPa.

Description of key information

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 Point was determined to be 148.5 - 153.8°C at 979.5 hPa.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
148.5 °C

Additional information

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 Point was determined to be 148.5 - 153.8°C at 979.5 hPa.

Based on the data from other supporting studies from various reliable sources such as handbooks and authoritative databases, the melting point of test chemical was concluded to be in the range of 156 °C to 160 °C which is in the range of key study value.