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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:
from 2017-03-21 to 2017-04-19
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EPA OPPTS 830.7200 (Melting Point / Melting Range)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
capillary method
Specific details on test material used for the study:
Batch No.: 3002127089
Purity: 97.3 %
Key result
Melting / freezing pt.:
45.7 °C
Atm. press.:
101 325 Pa
Decomposition:
no
Sublimation:
no

During the preliminary test using a linear heating rate of 10 °C/min the phase transition of test item was observed at 49 °C.


In the main test using a linear heating rate of 0.5 °C/min the melting point of SIKA Hardener MI was determined to be 45.7 °C (318.8 K) as mean of nine individual measurements.


Table: Measured temperature corresponding to the melting point of the test item


































Sample



Temperature (°C)



I/1


I/2


I/3



44.0


45.6


45.2



II/1


II/2


II/3



46.1


45.5


46.1



III/1


III/2


III/3



45.6


47.9


45.2



Mean (°C)



45.7



Standard Deviation



1.04



Confidence interval (95 %)



0.8


Conclusions:
In the main test using a linear heating rate of 0.5 °C/min the melting point of Sika Hardener MI was determined to be 45.7 °C (318.8 K) as mean of nine individual measurements.
Executive summary:

A study was conducted according to OECD TG 102, Regulation (EC) No 440/2008 method A.1 and EPA OPPTS test guideline 830.7200 to determine the melting point of the test item using the capillary method. Therefore, in a preliminary test using a linear heating rate of 10 °C/min the phase transition of test item was observed at 49 °C. In the main test using a linear heating rate of 0.5 °C/min the melting point of Sika Hardener MI was determined to be 45.7 °C (318.8 K) as mean of nine individual measurements. No observations were made which cause doubt on the validity of the outcome of the study

Description of key information

The melting point of Sika Hardener MI was determined to be 45.7 °C (318.8 K).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
45.7 °C

Additional information

A study was conducted according to OECD TG 102, Regulation (EC) No 440/2008 method A.1 and EPA OPPTS test guideline 830.7200 to determine the melting point of the test item using the capillary method. Therefore, in a preliminary test using a linear heating rate of 10 °C/min the phase transition of test item was observed at 49 °C. In the main test using a linear heating rate of 0.5 °C/min the melting point of Sika Hardener MI was determined to be 45.7 °C (318.8 K) as mean of nine individual measurements.No observations were made which cause doubt on the validity of the outcome of the study