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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
Study period:
October 2009 – April 2010
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Remarks:
Study performed according to international guideline. No deficiencies. Performed under internal quality management system.
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
EC 440/2008
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
other: ASTM E537-07Standard test method for the thermal stability of chemicals by Differential Scanning Calorimetry, 2007
Deviations:
no
GLP compliance:
no
Type of method:
thermal analysis
Remarks:
DSC Differential Scanning Calorimetry
Key result
Melting / freezing pt.:
356 °C

Accuracy check

The measured values for Indium are mentioned below.

 

September 29, 2009

January 27, 2010

Onset temperature [°C]

156.64

156.63

Enthalpy of melting [J/g]

28.46

28.26

The measured values are within the acceptance limits.

 

Test substance

The measured values for the test substance are mentioned below. The mean value for the

onset temperature is rounded to the nearest 1°C according to the normal rounding rules.

 

 

Test 1

Test 2

Mean value

Onset temperature [°C]

357.0

355.8

356

Enthalpy of melting [J/g]

157.3

173.1

165

The melting point of the test substance is 356°C and its enthalpy of melting is 165 J/g.

Conclusions:
3811-04-9, KClO3
Based on results in this report: The melting point is 356°C.

Description of key information

3811-04-9, KClO3

The melting point is 356°C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
356 °C

Additional information