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Diss Factsheets

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:
4 to12 September 2018
Reliability:
1 (reliable without restriction)
Qualifier:
equivalent or similar to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
internal method of SEPPIC
Principles of method if other than guideline:
- Principle of test: Determination of the temperature at which a solid melts and becomes a liquid by heating the sample indirectly placing the prepared sample (either packed in a glass capillary or on a glass cover slip).

Short description of test conditions:
The melting point is determined using an automatic apparatus enabling entry of thermo-optical modifications in the substance studied
The sample is placed in a glass capillary tube similar to those used for visual determiination.The sample is then heated with a defined heating rate.An electrical photo cell constantly measures the intensity of the light trransmitted, i.e. the transparency of the sample.
GLP compliance:
not specified
Type of method:
thermal analysis
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 180906014409
- Expiration date of the lot/batch: 03/09/2021

Key result
Melting / freezing pt.:
ca. 71.9 °C
Atm. press.:
ca. 101.3 kPa
Conclusions:
The melting point of this UVCB was determined as 71.9 °C. This value is the mean of three indipendent determinations.
Executive summary:


The melting point of this UVCB substance was determined as 71.9 °C. This value is the mean of three indipendent determinations.

Description of key information

The melting point was determined using an equivalent method to the OECD Guideline 102 (Melting point/ Melting Range).


It was determined using an automatic apparatus enabling entry of thermo-optical modifications in the substance studied.

The melting point of this UVCB substance was determined as 71.9 °C. This value is the mean of three indipendent determinations.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
71.9 °C

Additional information