3 ms·There is no risk of any runaway reaction. It's much easier to contain, and also much less radioactive.by adrianN 4y agoThere is no risk of any runaway reaction. It's much easier to contain, and also much less radioactive.ncmncm 4y agoI can tell you have never seen an alkali metal fire.adrianN 4y agoWe handle far more dangerous chemicals in many chemical plants.