English
Alternative spellings
pyrosulphuric acid qualifier|UK
Noun
en-noun|sg=pyrosulfuric acid|-
- inorganic compound The acid, H<sub>2</sub>S<sub>2</sub>O<sub>7</sub>, formed by the reaction of sulfur trioxide with sulfuric acid; used in the manufacture of explosives etc.
Synonyms
fuming sulfuric acid
oleum
Related terms
pyrosulfate
id:pyrosulfuric acid
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