In the construction industry, it is used as waterproofing agent and accelerator in concrete. Another use is a foaming agent in fire fighting foam.
It is also used in styptic pencils, and pain relief from stings and bites.[medical citation needed]
It can also be very effective as a molluscicide, killing spanish slugs.
It is used in dentistry (especially in gingival retraction cords) because of its astringent and hemostatic properties.
