You may be familiar with the term “bronze ash,” a mixture of nicotine and propylene glycol that was used to manufacture cigars in the 1920s.
In the 1960s, the name was given to a mixture containing a mix of nicotine, glycerin and potassium bromide, which could be mixed with liquid nitrogen to form a smokeless substance that could be inhaled or ingested.
The latest version of the name, “nicotine salt,” is more widely known for its use in vaping products, but is also used in tobacco products.
Nicotine salts are sold as nicotine replacement therapy and have become popular as a way to reduce nicotine addiction, but the chemistry behind them remains unknown.
“Nicotine salt” is a registered trademark of Philip Morris International Inc. in the United States and the U.K. and has been used since the 1960’s to market nicotine replacement products.
There are more than 3,000 trademarks for various names for nicotine salts, according to the Branding Industry Alliance.
The U.S. Food and Drug Administration has not yet approved nicotine salts for use in tobacco.
But the agency recently said it will review the application of the new formulation for the U