Caustic Soda
- Chemical Formula: NaOH
- Appearance: White solid (flakes, pellets, granules, or solution)
- Odor: Odorless
- Purity: Varies by grade, typically ranging from 98% to 99% or higher
- Molecular Weight: 40.00 g/mol
- Density: 2.13 g/cm³ (solid)
- Melting Point: 323 °C
- Boiling Point: 1388 °C
- Solubility: Highly soluble in water, exothermic dissolution
- Hygroscopic: Readily absorbs moisture and carbon dioxide from the air
- Corrosive: Highly corrosive to skin, eyes, and metals