The preservative, sodium nitrite, is primarily used - in a diluted form - by meat processing companies. But in recent years, it has also been increasingly used - in its pure form - as a suicide agent.

The bill still allows the sale of lower concentrations of sodium nitrite to consumers and 99% strength to authenticated industrial and commercial outlets, such as laboratories.

COLORADO (KCNC) — A Colorado father, driven by grief, is pushing to make Colorado among the first states in the country to regulate the sale of sodium nitrite. The preservative, used to cure ...