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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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

Explosiveness

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Description of key information

Substance does not fulfil criteria of this hazard class. 

Key value for chemical safety assessment

Explosiveness:
non explosive

Additional information

The performance of experimental tests was not necessary. The sample does not fulfil the criteria of this hazard class because there are no chemical groups associated with explosive properties present in the given molecule of dibismuth trisulfide (judgement based on the UN “Manual of test & Criteria”). An additionally evidence is given with the result of the thermal stability test (Differential Scanning Calorimeter, DSC) which shows only a low energy potential with regard to decomposition. The result was decomposition energy of −131.2 J/g (exothermic). In the case of an explosive substance the exothermic decomposition energy is much higher (e.g. organic substances: >-500 J/g).

Justification for classification or non-classification

The test item does not fulfil the criteria of this hazard class because there are no chemical groups associated with explosive properties present in the given molecule of dibismuth trisulfide (judgement based on the UN “Manual of test & Criteria”). In addition, the results of the thermal stability test show only low energy potential with regard to decomposition. Based on these facts Bismuth (III) sulfide is not classified according to Directive 67/548/EEC (DSD) and Regulation (EC) No 1272/2008 (CLP) in respect to explosiveness.