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Physical & Chemical properties

Melting point / freezing point

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Link to relevant study record(s)

Reference
Endpoint:
melting point/freezing point
Type of information:
experimental study
Adequacy of study:
key study
Study period:
17/03/2017 to 28/03/2017
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
test procedure in accordance with national standard methods with acceptable restrictions
Qualifier:
no guideline followed
Principles of method if other than guideline:
method with thermometer
GLP compliance:
no
Other quality assurance:
ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories)
Type of method:
capillary method
Specific details on test material used for the study:
SOURCE OF TEST MATERIAL
- Source and lot/batch No.of test material: 160405
- Expiration date of the lot/batch: 16/03/2018
- Purity test date: 16/03/2017 (manufacturing date)
Key result
Melting / freezing pt.:
100 °C
Atm. press.:
ca. 1 013 hPa
Conclusions:
Trimethylamine N-oxide has a melting point of 100°C.
Executive summary:

Trimethylamine N-oxide has a melting point of 100°C.

Description of key information

Capillary method. Not GLP but ISO/IEC 17025 (General requirements for the competence of testing and calibration laboratories).

Melting point: 100°C at approx. 1013hPa

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
100 °C

Additional information