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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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:
other: Data obtained from a collection of reliable data
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Principles of method if other than guideline:
Data obtained from a collection of reliable data
GLP compliance:
no
Type of method:
other: Not stated
Melting / freezing pt.:
17.7 °C
Decomposition:
no
Sublimation:
no

The AIChE DIPPR Database specifies that the uncertainty associated with the melting point value for octamethylcyclotetrasiloxane as <1%

Conclusions:
A melting point value of 17.7°C was reported in a collection of data which has been subject to peer-review and in which the original data sources are traceable. The result is considered to be reliable.

Description of key information

Melting point [octamethylcyclotetrasiloxane]: 17.7°C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
17.7 °C

Additional information

Melting point values of 17.7°C and 17.5°C were reported for the substance in collections of data which have been subject to peer-review and in which the original data sources are traceable. The results are considered to be reliable.