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Hydrofluoric Acid
Hydrofluoric acid. A solution of hydrogen fluoride in water. It is a colorless fuming liquid which can cause painful burns.
Year introduced: 1977(1972)
Fluorine Compounds
Inorganic compounds that contain fluorine as an integral part of the molecule.
Year introduced: 1994
Inorganic Chemicals
A broad class of substances encompassing all those that do not include carbon and its derivatives as their principal elements. However, carbides, carbonates, cyanides, cyanates, and carbon disulfide are included in this class.
Year introduced: 1998
Acids, Noncarboxylic
Inorganic acids with a non metal, other than carbon, attached to hydrogen, or an acid radical containing no carbon.
Acids
Chemical compounds which yield hydrogen ions or protons when dissolved in water, whose hydrogen can be replaced by metals or basic radicals, or which react with bases to form salts and water (neutralization). An extension of the term includes substances dissolved in media other than water. (Grant and Hackh's Chemical Dictionary, 5th ed)