1. Sodium Hydroxide (also known as caustic soda or lye), NaOH.
2. a white solid(we supply the flake-shaped) .
3. Molar mass: 39.977 g/mol
4. Melting point: 318 °C
5. Boiling point: 1,388 °C
6. Density: 2.13 g/cm³
7. Soluble in: water, methanol, ethanol.