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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Description of key information

Decomposition between 262 - 404 °C

Key value for chemical safety assessment

Melting / freezing point at 101 325 Pa:
349.84 °C

Additional information

The test substance loses its water of imbibition between 40 and 140 °C as tested by Differential Scanning Calorimetry. Its decomposition range is 262 - 404 °C . No melting point has been recorded.

An estimated value with Mpbpwin v.1.43* using the following smile has been reported to perform the risk assessment:

O=S(=O)(O[Na])c4cc5N=Nc6cc(Cc1cc2N=Nc3cc(cc(c3O[Cu]Oc2cc1O)[N+]([O-])=O)S(=O)(=O)O[Na])c(O)cc6O[Cu]Oc5c(c4)[N+]([O-])=O

* Mpbpwin is an application contained in the EpiSuite 4.1, the suite of physical/chemical property and environmental fate estimation programs developed by the EPA’s Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC).