Caustic Soda Flakes
Sodium Hydroxide
- CAS
- 1310-73-2
- EC
- 215-185-5
- Sectors
- Water & Wastewater Treatment, Textiles, Leather & Paper
Caustic Soda Flakes (CAS 1310-73-2) are white, deliquescent sodium hydroxide solids supplied in bead form that absorb moisture and carbon dioxide from the air, dissolve exothermically in water to give strong alkaline solutions, and serve soap making, water treatment, pulp bleaching, textiles and metal cleaning.
Typical Properties
| Molecular formula | HNaO |
|---|---|
| Molecular weight | 40 g/mol |
| Form | beads |
| Color | White |
| Odor | Odorless |
| Melting point | 323 °C |
| Boiling point | 1388 °C |
| Density | 2.13 g/cm³ @ Temp: 25 °C |
| Water solubility | SOLUBLE |
| Flash point | 176-178°C |
| pH | >14 (100g/l, H2O, 20°C) |
| GHS signal word | Danger · Corrosive, Irritant / harmful, Health hazard |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Caustic Soda Flakes
Applications
Widely used in soap and detergent production, water treatment, and pulp bleaching. In chemical manufacturing, it acts as a reagent for neutralization and saponification. Also employed in textiles, petroleum refining, and metal cleaning.
Safety & Risks
Highly corrosive to skin and eyes; reacts violently with acids and moisture. Handle with protective gear and avoid inhalation of dust.
Packaging
Supplied in 25 kg PP/PE bags. Store in a dry, well-ventilated area away from acids and moisture.