SULPHURIC ACID
HS Code: 28070010

Description

Sulfuric acid (alternative spelling sulphuric acid), also known as vitriol, is a mineral acid composed of the elements sulfur, oxygen and hydrogen, with molecular formula H2SO4. It is a colorless, odorless, and syrupy liquid that is soluble in water, in a reaction that is highly exothermic.

Properties

Chemical formula: H2SO4

Molar mass: 98.079 g/mol

Appearance: Clear, colorless liquid

Odor: odorless

Density: 1.8302 g/cm3, liquid

Melting point: 10.31°C (50.56 °F; 283.46 K)

Boiling point 337°C (639 °F; 610 K) When sulfuric acid is above 300 °C (572 °F), it will decompose slowly

Solubility in water: miscible, exothermic

Vapor pressure: 0.001 mmHg (20 °C)

Acidity (pKa): −3, 1.99

Conjugate base: Hydrogen sulfate

Viscosity: 6.7 cP (20 °C)