| Item | Data (%) |
| NaOH≥ | 50.0 |
| Na2CO3≤ | 0.07 |
| NaCl ≤ | 0.0055 |
| Fe2O3≤ | 0.0002 |
| NaClO3≤ | 0.002 |
| CaO≤ | 0.001 |
| Al2O3≤ | 0.001 |
| SiO2≤ | 0.001 |
| Na2so4 | 0.002 |
Liquid Sodium Hydroxide Lye 50%
CAS Number:
1310-73-2
Other Trading Names:
- Liquid caustic soda
- Lye
Type of Packaging :
- 250kg plastic drum
- 500kg plastic drum
HS Code:
281511
Liquid Sodium Hydroxide Lye 50% – Concentrated Industrial Alkali for Manufacturing & Processing
We supply high-concentration Liquid Sodium Hydroxide (NaOH) at 50%. This potent industrial alkali serves as a fundamental reagent for large-scale chemical processes. Consequently, manufacturers actively use it for pH adjustment, chemical synthesis, and pulp production. Moreover, its ready-to-use liquid form provides efficient handling and precise dosing for high-volume industrial operations.
Core Applications for Liquid Sodium Hydroxide 50% ( Caustic Soda 50% ) in Industry
This concentrated caustic lye drives essential reactions in major industrial sectors. Its applications are both broad and critical to foundational manufacturing.
First, the chemical manufacturing industry relies on sodium hydroxide lye 50% as a primary feedstock for organic and inorganic synthesis. It is essential for producing soaps, detergents, plastics, and various chemical intermediates. Therefore, chemical plants depend on it as a cornerstone raw material for countless downstream products.
Second, the pulp and paper sector utilizes this strong alkali in the kraft pulping process to break down lignin and separate wood fibers. Furthermore, it is indispensable in alumina production (Bayer process), petroleum refining for treating acidic streams, and water treatment for pH control and heavy metal precipitation.
Third, the food processing industry employs food-grade lye for peeling fruits, curing olives, and cleaning equipment. Additionally, it is used in textile mercerization, metal cleaning, and biodiesel production.
Critical Specifications for Liquid Sodium Hydroxide Lye 50%
We produce our caustic soda lye to exacting standards for concentration and low impurity levels. Thus, you can trust its consistent strength and predictable behavior in your processes.
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Product: Sodium Hydroxide Lye 50% Solution (Caustic Soda Lye)
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Concentration: 50% w/w NaOH
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Appearance: Clear, colorless viscous liquid
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Specific Gravity (20°C): ~1.53
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Freezing Point: ~ +12°C
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Storage: Store in a cool, ventilated area in dedicated, corrosion-resistant tanks (e.g., carbon steel, nickel). Keep away from acids and moisture-sensitive materials. Handle with extreme care using appropriate PPE.
Your Strategic Liquid Sodium Hydroxide Lye Supply Partner
As your dedicated global partner, we provide a secure and reliable bulk supply of this essential industrial chemical.
Firstly, we guarantee consistent concentration and low chloride/iron content through controlled dilution and stringent quality assurance.
Moreover, we offer efficient bulk liquid delivery. We supply Liquid Sodium Hydroxide Lye in isotanks, road tankers, and dedicated bulk vessel shipments, providing a seamless, cost-effective solution for large-scale consumers.
We also provide highly competitive global contract pricing, delivering exceptional value to chemical manufacturers, pulp & paper mills, water treatment facilities, food processors, and international distributors.
Additionally, we manage specialized logistics for hazardous bulk liquids. Every shipment complies with international regulations and includes full SDS, COA, and transport documentation.
Finally, we deliver expert technical and safety support to assist with tank design, material compatibility, and the safe handling of concentrated caustic soda.













