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Physical & Chemical properties

Melting point / freezing point

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Administrative data

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Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
Start date of the completion: 21 February 2018 and Completion date of the experiemental work: 8 May 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
other: photocell detection
Key result
Melting / freezing pt.:
>= 85.2 - <= 88.9 °C
Decomposition:
no
Sublimation:
no

Interpretation of results

The mean of at least three measurements, which are in the range of the estimated accuracy, is reported as the melting temperature.

If the difference between the temperature at the beginning and at the final stage of melting is within the limits of the accuracy of the method, the temperature at the final stage of melting is taken as the melting temperature; otherwise the two temperatures are reported.

If the substance decomposes or sublimes before the melting temperature is reached, the temperature at which the effect is observed shall be reported.

Apparatus : Automated Mettler Toledo MP70 Melting Point System

 Run number  4
 Mass of sample used (mg)  1.36 1.17  1.69  1.86 
Initial melting point (°C)   85.6 85.2  85.2  84.7
Final melting point (°C)  88.7 88.8  89.5  88.5 

Result: 85.2 - 88.9 °C

Conclusions:
The melting range was found to be : 85.2 - 88.9°C
Executive summary:

The melting Range of HER (Resorcinol bis-(2-Hydroxyethyl) ether, 2-[3-(2-hydroxyethoxy)phenoxy]ethanol testing is conducted in accordance with the procedure described in EU Regulation (EC) 440/2008, Annex Part A test A1 and OECD Test Guideline 102.

the melting range was found to be : 85.2 - 88.9°C

Description of key information

The melting range was found to be : 85.2 - 88.9°C

Key value for chemical safety assessment

Additional information