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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

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:
2017-08-18 to 2017-10-26
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Company's characterization report according to SOP
Qualifier:
no guideline available
Principles of method if other than guideline:
Melting point determination according to SOP 63V006.
GLP compliance:
no
Type of method:
capillary method
Key result
Melting / freezing pt.:
127 °C
Atm. press.:
ca. 1 atm
Conclusions:
The melting point of the test item is 127 °C at atmospheric pressure.
Executive summary:

A melting point of 127 °C at atmospheric pressure was measured by using a capillary method according to SOP 63V006.

Description of key information

The melting point of 4,4’-Dimethoxytrityl chloride is 127 °C at atmospheric pressure.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
127 °C

Additional information