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Physical & Chemical properties

Appearance / physical state / colour

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Description of key information

No information about bismuth trinitrate is available but information about the pentahydrate is available. Bismuth nitrate pentahydrate is an inorganic lustrous hygroscopic crystalline substance. 

Key value for chemical safety assessment

Physical state at 20°C and 1013 hPa:
solid

Additional information

For the evaluation of this endpoint data from two handbooks (CRC handbook and Merck index) and one material safety data sheet were used as a weight of evidence.

According to ECHA, guidance on information requirements and chemical safety assessment – chapter R.7a, specific handbook data for physic-chemical properties are considered to be a reliable data source. Useful reference books and data compilations containing peer reviewed physico-chemical data include the Merck Index and the CRC Handbook of Chemistry and Physics.

Data available in these handbooks concerning bismuth nitrate pentahydrate (Bi(NO3)3 * 5H2O) and were entered in this section as reliable information, since bismuth trinitrate is a hygroscopic substance and the molecule will contain water if not kept under inert gas.

Data available from handbooks describe bismuth nitrate pentahydrate as an inorganic, lustrous, crystalline substance.

Concerning the available MSDS: According to the European Chemicals Agency, 2010 (Practical guide 2: How to report weight of evidence),values for physico-chemical properties taken from material safety data sheets (MSDSs) can only be assigned a reliability rating of (4), not assignable, unless detailed information such as the experimental methodology are provided to enable the preparation of a (robust) study summary.

However, the description of the appearance is in accordance with the information obtained from the handbooks.