Sildenafil vs Titanium Dioxide
## Sildenafil vs Titanium Dioxide: Overview
This comparison examines the pharmacological differences between **Sildenafil** and **Titanium Dioxide**.
## Mechanism of Action
**Sildenafil**: Selective PDE5 inhibitor increasing cGMP.
## Pharmacokinetics
**Half-life**: Sildenafil — 4 hours; Titanium Dioxide — N/A.
## Chemical Properties
**Molecular Formula**: Sildenafil — C22H30N6O4S; Titanium Dioxide — N/A.
**Molecular Weight**: Sildenafil — 474.5800 g/mol; Titanium Dioxide — N/A.
**Type**: Sildenafil — Small molecule; Titanium Dioxide — Small molecule.