Caustic soda
sodium hydroxide;caausttc sopa(pearls)
[ COMMODITY ] : Sodium hydroxide, caustic soda (pearls)
[ APPEARANCE ] : White or light yellow shiny solids
[ CHEMICAL PROPERTIES ] :
strong hygroscopic, soluble in water, corrosive, reacts easily with acid.
[ MOLECULAR FORMULA ] : NaOH
[ EXECUTIVE STANDARD ] : GB209-2006
| ITEM | INDEX | ||
| SUPERIOR | FIRST CLASS |
QUALIFIED | |
| Appearance | White shiny solids | ||
| NaOH, % ≥ | 99.0 | 98.5 | 98.0 |
| Na₂CO₃, % ≤ | 0.5 | 0.8 | 1.0 |
| NaCl, % ≤ | 0.03 | 0.05 | 0.08 |
| Fe₂O₃, % ≤ | 0.005 | 0.008 | 0.01 |
Application: Mainly used in paper, soap, textile, printing and dyeing, chemical fiber, pesticide, petrochemical, power and water treatment industries.
Transportation: collision, moisture, pollution and mixing with acid should be prevented.
Storage: should be stored in a dry, clean warehouse.
Health protection: eye protections and gloves are needed for operators to avoid harm when handling.