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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)

Referenceopen allclose all

Endpoint:
melting point/freezing point
Type of information:
other: Handbook data
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: Handbook data
GLP compliance:
no
Type of method:
other: no data
Melting / freezing pt.:
687 °C
Decomposition:
no
Sublimation:
no

According to the reference, sodium molybdate has a melting point of 687 °C. This melting points of 687 °C is valid for the anhydrous substance Na2MoO4 (CAS 7631-95-0).

Conclusions:
Sodium molybdate has a melting point of 687 °C.
Endpoint:
melting point/freezing point
Type of information:
other: Handbook data
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 - Handbook data
GLP compliance:
no
Type of method:
other: no data
Decomposition:
yes
Decomp. temp.:
ca. 100 °C
Sublimation:
no
Conclusions:
Sodium molybdate dihydrate decomposes at 100 °C.

Description of key information

Melting point for anhydrous sodium molybdate: 687 °C (handbook data).

Decomposition temp. for sodium molybdate dihydrate: 100 °C (handbook data).

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
687 °C

Additional information