Registration Dossier

Physical & Chemical properties

Melting point / freezing point

Currently viewing:

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:
11 May 2018 to 06 November 2018
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
yes (incl. certificate)
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Batch number: TG 3774
Purity: 97% (by HPLC)
Expiry date: 01 July 2020
Key result
Atm. press.:
>= 101 - <= 102 kPa
Decomposition:
yes
Decomp. temp.:
ca. 170 °C

Determination

Aliquot mass (g)

Thermal Program

Amount lost on heating (%)

1

0.0047

20 to 400 °C at 20 °C/min

32

2

0.0048

33

3

0.0047

20 to 400 °C at 20 °C/min (N2)

36

4

0.0048

38

5

0.0045

20 to 110 °C at 20 °C/min

2

6

0.0045

20 to 175 °C at 20 °C/min

2

7

0.0050

20 to 240 °C at 20 °C/min

0

8

0.0048

20 to 275 °C at 20 °C/min

10

Conclusions:
The substance was determined to decompose from approximately 170 °C (443 K) at 101 to 102 kPa.
Executive summary:

Melting/Freezing Point. Decomposition of the substance occurred from approximately 170 °C (443 K) at 101 to 102 kPa, measured by differential scanning calorimetry using a procedure designed to be compatible with Method EC A.1 and OECD 102.

Description of key information

The test item has been determined to decompose before melting from approximately 170 °C (443 K), at 101-102 kPa

Key value for chemical safety assessment

Additional information