Sulfuric acid (alternative spelling sulphuric acid), also known as oil of vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H2SO4. It is a colorless, odorless, and viscous liquid that is soluble in water and is synthesized in reactions that are highly exothermic.
vapor density | <0.3 (25 °C, vs air) |
vapor pressure | 1 mmHg ( 146 °C) |
description | Nominally 95-98% H2SO4 |
assay | 97% |
color | clear |
bp | ~290 °C (lit.) |
density | 1.840 g/mL at 25 °C (lit.) |
SMILES string | OS(O)(=O)=O |
InChI | 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4) |
InChI key | QAOWNCQODCNURD-UHFFFAOYSA-N |