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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:
2011-05-04 to 2011-08-11
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: GLP guideline study.
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Remarks:
Date of inspection 2011-07-19 to 2011-07-21; Date of signature 2011-08-31
Type of method:
method to determine freezing temperature
Melting / freezing pt.:
< 253 K
Remarks on result:
other: The test item became slightly cloudy from 281 K but remained non-viscous throughout the investigation.

- Measured temperatures were converted from degrees Centigrade using the equation T = t + 273.15 (where T = temperature (K) and t = temperature (ºC).

Conclusions:
Freezing temperature of the test material was determined to be less than 253 K (less than minus 20 ºC).

Description of key information

Freezing temperature of the test material was determined to be less than 253 K (less than minus 20 ºC).

Key value for chemical safety assessment

Additional information

The freezing temperature of the test item was determined to be less than -20 °C (<253 K) using BS4633: Method for Determination of Crystallizing Point, designed to be compatible with Method A1 Melting/ Freezing Temperature of Commission Regulation (EC) No 440/ 2008 of 30 May 2008 and Method 102 of the OECD Guidelines for Testing of Chemicals, 27 July 1995.