Item | Specification |
Product Name | Caustic Soda Flakes |
Chemical Name | Sodium Hydroxide |
Chemical Formula | NaOH |
Appearance | White Flakes |
Purity (NaOH) | ≥ 98.5% |
Sodium Carbonate (Na₂CO₃) | ≤ 0.5% |
Sodium Chloride (NaCl) | ≤ 0.03% |
Iron (Fe) | ≤ 0.005% |
Insoluble Matter | ≤ 0.04% |
Molecular Weight | 40.00 |
CAS No. | 1310-73-2 |
HS Code | 28151100 |
Packing | 25 kg / bag |
Application | Water Treatment, Detergent, Textile, Paper, Chemical Industry |
Storage | Store in a dry, cool, and well-ventilated place |


Caustic Soda Flakes (NaOH) are widely used in the water treatment industry for pH adjustment, neutralization of acidic wastewater, and removal of heavy metals.
Sodium Hydroxide (NaOH) plays a key role in the pulp and paper industry, mainly for pulping, bleaching processes, and chemical recovery systems.
Caustic Soda Flakes are essential in the detergent and soap industry for saponification reactions and formulation of cleaning products.
NaOH is commonly applied in the textile industry for mercerization of cotton fabrics, improving fiber strength, luster, and dye absorption.
Caustic Soda Flakes are used in the chemical manufacturing sector as a basic raw material for producing alumina, organic intermediates, and inorganic chemicals.
Sodium Hydroxide (NaOH) is applied in the petroleum and oil refining industry for removal of acidic compounds and purification processes.
Caustic Soda Flakes are utilized in the metal surface treatment industry for degreasing, cleaning, and chemical polishing of metals.



