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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:
2017
Reliability:
1 (reliable without restriction)
Qualifier:
according to
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
GLP compliance:
no
Type of method:
capillary method
Specific details on test material used for the study:
Melting Point System: FP90;
Capillary tubes: sealed at one end, with internal diameter 0.9 mm to 1.1 mm, wall thickness 0.10 mm to 0.15 mm, and length about 100 mm;
Long glass tube: straight, through, with internal diameter about 5 mm, length about 0.8 m.
Melting / freezing pt.:
ca. 152.5 °C
Atm. press.:
ca. 101.325 kPa

The approximate melting point of the sample was determined to be about 152.0, so the test temperature range was set to be 142.0162.

No.

1

Analyticalresults

X

152.7

152.5

Y

152.3

Z

152.5

Conclusions:
Based on the test results, the melting point could be confirmed as 152.5°C, the range is 0.4°C, which meet the requirement on accuracy (<2°C).

Description of key information

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
152.5 °C

Additional information