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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:
February 20, 2017 to May 10, 2017
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
guideline study
Qualifier:
according to guideline
Guideline:
OECD Guideline 102 (Melting point / Melting Range)
Deviations:
no
Qualifier:
according to guideline
Guideline:
EU Method A.1 (Melting / Freezing Temperature)
Deviations:
no
GLP compliance:
no
Type of method:
differential scanning calorimetry
Specific details on test material used for the study:
Identification: C.I. Solvent Blue 98
Appearance/Physical state: extremely dark blue solid block
Batch: ZA07212016
Purity: 98.0%
Expiry date: 18 July 2019
Storage conditions: room temperature in the dark
Key result
Melting / freezing pt.:
81 °C
Atm. press.:
101 325 Pa

The thermographic data for Determinations 1 and 2 are shown in the following table:

Thermographic Data

Thermal Event

Interpretation

Temperature (°C)

Determination 1

Determination 2

endotherm

melting temperature

81.16

81.21

Mean melting temperature: 81 ± 1 °C (354 ± 1 K)

Conclusions:
The melting point of the test item has been determined to be 81 ± 1 °C (354 ± 1 K).
Executive summary:

Melting/Freezing Point. 81 ± 1 °C (354 ± 1 K) by differential scanning calorimetry, 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

Melting/Freezing Point. 81 ± 1 °C (354 ± 1 K) by differential scanning calorimetry, 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.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
81 °C

Additional information

81 ± 1 °C (354 ± 1 K) by differential scanning calorimetry,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.