Hartshorns, also known as hartshorn salt, is a chemical compound commonly used for baking and cleaning purposes. This white powder is used as a leavening agent in baking recipes and as an ammonia-based cleaning solution. If you are searching for synonyms or alternate names for hartshorns, you may come across terms such as baker's ammonia, ammonium carbonate, and smelling salts. These names are often used interchangeably, depending on the context of their use. Regardless of the term you choose, hartshorns are a versatile and useful compound for a variety of applications.