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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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: European Union Risk Assessment Report
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data
Qualifier:
no guideline followed
Principles of method if other than guideline:
Not applicable - European Union Risk Assessment Report: Methodological details are not reported.
GLP compliance:
not specified
Type of method:
other: no details
Melting / freezing pt.:
ca. 357 °C
Decomposition:
no
Sublimation:
no
Remarks on result:
other: Becomes anhydrous at 100 °C

Becomes anhydrous at 100 °C. Melting point = approximately 357 °C.

Conclusions:
Sodium dichromate becomes anhydrous at 100 °C. The melting point is reported to be approximately 357 °C.

Description of key information

The melting point is reported to be approximately 357 °C.

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
630 K

Additional information

Sodium dichromate becomes anhydrous at 100 °C. The melting point is reported to be approximately 357 °C.