Perchloric acidPerchloric acid is a mineral acid with the formula HClO4. It is an oxoacid of chlorine. Usually found as an aqueous solution, this colorless compound is a stronger acid than sulfuric acid, nitric acid, and hydrochloric acid. Read from the Chembox of the Wikipedia article Perchloric acid, revision 1379971625.

Property

Value

Formula

HClO4, 100.46 g/mol

Melting point

-17 °C

Boiling point

203 °C

Density

1.768 g/cm³

pKa

-15.2

The compounds of every Wikipedia article carrying a Chembox or a Drugbox, refreshed daily, with the values their infoboxes give. The pages need JavaScript; the API does not.