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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:
This study was conducted between 12 December 2016 and 23 June 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: The study is considered to be a reliability 1 as it has been conducted according to OECD TG 102 using the method to determine the freezing point and in compliance with GLP.
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Version / remarks:
27 July 1995
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Version / remarks:
EC No. 440/2008 of 30 May 2008
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
pour point
Specific details on test material used for the study:
Identification: 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, reaction products with diethylenetriamine
Appearance/Physical state: Yellow/brown extremely viscous liquid
Batch: Ei3041
Purity: 100% UVCB
Expiry date: 01 May 2021
Storage conditions: Room temperature in the dark

The test item was heated to a maximum of 80 °C to enable sampling for testing.
Key result
Melting / freezing pt.:
43 °C
Key result
Melting / freezing pt.:
316 K

Preliminary Test

The pour point of the preliminary test was 40± 3 °C (313± 3 K).

Main Test

The results of the main test are shown in the following table:

Table 1

 

Determination 1

Determination 2

Determination 3

Stationary point (°C)

42

39

39

Pour point (°C)

45

42

42

Overall pour point result        :          43± 3 °C (316± 3 K)

  Discussion

As the test item was a complex mixture, it was considered that the pour point method was the most appropriate test method.

Conclusions:
The pour point of the test item has been determined to be 43 ± 3 °C (316 ± 3 K).
Executive summary:

The general physico-chemical properties of 4,4'-Isopropylidenediphenol, oligomeric reaction products with 1-chloro-2,3-epoxypropane, reaction products with diethylenetriamine have been determined. 

Melting/Freezing Temperature 43 ± 3 °C (316 ± 3 K), using pour point method, designed to be compatible with Method A.1 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.

Description of key information

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
43 °C

Additional information

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