Sodium hydroxide:white flakes, piece, pellet. Pure is colorless, transparent crystal.25kgs woven bag. Name: Sodium hydroxideMolecular formula: NaOHCAS No: ... weight: 40Appearance: white flakes, piece, pellet. Pure is colorless, transparent crystal. Melting point:318.4. Boiling point:1390. Density: 2.130. Solution ...