Fluoroboric acid is a chemical compound that is commonly known as hydrogen fluoroborate or tetrafluoroboric acid. It is a strong, colorless, and odorless acid that is used in the production of organic chemicals, pharmaceuticals, and dyes. Fluoroboric acid is also used in the semiconductor industry as a cleaning and etching agent. Other synonyms for fluoroboric acid include hydrogen borofluoride, fluoboric acid, and boron fluoride hydrofluoric acid. The chemical formula for fluoroboric acid is HBF4, and it is a highly corrosive and toxic substance that should be handled with care. In summary, there are various synonyms used to describe fluoroboric acid, depending on the industry and context in which it is used.