Bismuth subnitrate

• CAT Number: M049249
• CAS Number: 1304-85-4
• Molecular Formula: Bi5H9N4O22
• Molecular Weight: 1461.99
• Purity: ≥95%
• InChI: InChI=1S/5Bi.4NO3.9H2O.O/c;;;;;4*2-1(3)4;;;;;;;;;;/h;;;;;;;;;9*1H2;/q;;+1;2*+2;4*-1;;;;;;;;;;/p-1
• InChIKey: FSDTZGWPBGSZKL-UHFFFAOYSA-M
• SMILES: [N+](=O)([O-])O[Bi]O[N+](=O)[O-].[N+](=O)([O-])O[Bi]O[N+](=O)[O-].O.O.O.O.O.O.O.O.O[Bi]=O.[Bi].[Bi]

Bismuth subnitrate (Bismuth(III) oxynitrate) is a bismuth(III) compound that bears significant medical uses (e.g., as an antidiarrheic agent). Bismuth subnitrate is a simple, readily available and effective catalyst for the Markovnikov-type hydration of terminal acetylenes[1].

Reference

[1]. Szécsényi Z, et al. Bismuth Subnitrate-Catalyzed Markovnikov-Type Alkyne Hydrations under Batch and Continuous Flow Conditions. Molecules. 2021;26(10):2864. Published 2021 May 12.
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