Caustic Soda (Sodium Hydroxide)

Caustic Soda (Sodium Hydroxide)

Product Overview

Caustic Soda, also known as Sodium Hydroxide (NaOH), Lye, White caustic or Soda lye, is a fundamental industrial alkali base and critical chemical raw material. Supplied in two forms—white crystalline flakes (CSF) and white crystalline pearls (CSP)—this product offers high purity levels, with flakes reaching ≥98.5% purity and pearls ≥99.0%, and a premium grade with ≥99.8% purity for specialized applications. It holds ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 and Halal certifications, ensuring consistent quality, environmental compliance, workplace safety and suitability for Halal production processes. With a monthly production capacity of 2,000 MT, it meets large-scale industrial demand, serving as a core component in detergent manufacturing, soap making and various chemical processes requiring pH adjustment or neutralization.

Key Technical Specifications

CAS Number: 1310-73-2
Chemical Formula: NaOH
Product Form: White crystalline flakes (CSF) / White crystalline pearls (CSP)
Purity: ≥98.5% (flakes) / ≥99.0% (pearls) / ≥99.8% (premium grade)
pH Value (1% solution): 14
Density: 2.13 g/ml (flakes) / 1.175 g/ml (pearls, bulk)
Executive Standard: GB/T 209-2018
Packaging: 25KG PP woven bag with PE liner
Shelf Life: 24 months
Storage Requirements: Airtight containers (hygroscopic, air-sensitive); follow NaOH storage guidelines
Typical Dosing: q.s. to achieve desired pH (typically 0.2%-2.5% in detergents)
Certifications: ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, Halal
Monthly Production Capacity: 2,000 MT

Core Functions in Industrial Applications

As a strong alkali base, Caustic Soda plays three critical roles in detergent and cleaning product manufacturing. First, it acts as a precise pH adjuster, allowing manufacturers to set formulation pH to optimal levels for cleaning efficacy and product stability. Second, it enables saponification in soap making, reacting with fats and oils to form soap molecules, the core cleaning agents in traditional bar soaps and some liquid cleansers. Third, it serves as a neutralizer for Linear Alkylbenzene Sulfonic Acid (LABSA), converting this acidic raw material into its active sodium salt (LAS)—the primary surfactant in most modern laundry detergents, dishwashing liquids and detergent powders. Beyond these core uses, it is also employed for Clean-in-Place (CIP) production line cleaning and pH adjustment in various general chemical processes.

Product Core Advantages

1. High Purity Consistency: With purity levels ranging from ≥98.5% to ≥99.8%, this caustic soda ensures reliable chemical reactions, minimizing impurities that could disrupt manufacturing processes or reduce product quality. The premium ≥99.8% grade is ideal for high-precision applications where even trace contaminants are unacceptable.
2. Versatile Physical Forms: The flake and pearl forms offer tailored handling benefits. Flakes dissolve quickly for rapid formulation integration, while pearls provide slower dissolution for more controlled dosing, reducing the risk of over-neutralization or pH spikes. Both forms are designed for safe, easy handling in industrial settings.
3. Precise Dosing Control: The granular structure of flakes and pearls allows for accurate measurement, ensuring consistent pH adjustment and neutralization results batch after batch. This precision reduces material waste and ensures uniform product quality across manufacturing runs.
4. Comprehensive Certifications: ISO 9001:2015 certification guarantees strict quality management systems, ISO 14001:2015 confirms environmental responsibility in production, ISO 45001:2018 ensures workplace safety, and Halal certification makes it suitable for use in Halal-compliant cleaning product manufacturing.
5. Large-Scale Supply Capacity: With a monthly production capacity of 2,000 MT, the product can meet the demands of large-scale detergent manufacturers, wholesale chemical suppliers and industrial users, ensuring uninterrupted supply for continuous production operations.
6. Compliance with International Standards: Manufactured to meet GB/T 209-2018 standards and certified with global ISO benchmarks, this caustic soda adheres to international quality and safety requirements, making it suitable for export and use in global manufacturing supply chains.

Target Customer Groups

This product caters to a wide range of industrial clients, including laundry detergent manufacturers, dishwashing liquid producers, detergent powder formulation companies, traditional soap making facilities, industrial cleanser manufacturers, chemical process plants requiring pH adjustment, detergent raw material wholesalers, OEM/ODM chemical suppliers, and large-scale industrial manufacturing operations with cleaning or chemical processing needs. It also serves businesses operating in Halal markets, thanks to its Halal certification.

Key Application Scenarios

1. Laundry Detergent Manufacturing: Critical for neutralizing LABSA to form LAS, the active cleaning agent in powder and liquid laundry detergents.
2. Dishwashing Liquid Production: Used to adjust formulation pH and neutralize acidic raw materials, ensuring effective grease-cutting properties.
3. Detergent Powder Formulation: Enables pH stabilization and raw material neutralization, supporting consistent powder quality and cleaning performance.
4. Soap Making and Saponification: Initiates the chemical reaction between fats/oils and alkali to produce solid and liquid soaps.
5. Production Line Cleaning (CIP): Acts as a strong cleaning agent for removing stubborn residues from manufacturing equipment in food, beverage and chemical processing facilities.
6. Industrial Cleanser Production: Forms the base for heavy-duty industrial cleaners designed to remove grease, scale and mineral deposits.
7. pH Adjustment in Chemical Processes: Used to regulate pH in various chemical manufacturing operations, including water treatment, textile processing and pulp production.
8. Detergent Raw Material Wholesale: Sold in bulk to raw material distributors serving small to medium-sized cleaning product manufacturers.
9. OEM/ODM Chemical Supply: Provided as a core raw material for contract manufacturing of cleaning products.
10. General Industrial Manufacturing: Employed in any industrial process requiring a strong alkali base for neutralization, saponification or pH control.

Industry Pain Points Addressed

1. Inconsistent Purity: Low-purity caustic soda can introduce impurities that disrupt chemical reactions, leading to inconsistent product quality. This high-purity product eliminates this issue, ensuring reliable, repeatable manufacturing results.
2. Poor Dosing Control: Irregularly shaped caustic soda products make accurate dosing difficult, leading to over-neutralization, pH imbalances and material waste. The uniform flake and pearl forms enable precise measurement, reducing waste and ensuring formulation consistency.
3. Non-Compliant Supply: Many industrial chemicals lack essential certifications, making them unsuitable for export or use in regulated markets. This product’s ISO and Halal certifications ensure compliance with global quality, environmental, safety and religious standards.
4. Supply Chain Disruptions: Small-scale suppliers often struggle to meet large-volume demand, causing production delays. With a 2,000 MT monthly capacity, this product provides a stable, large-scale supply for continuous manufacturing operations.
5. Safety Risks: Improperly packaged or handled caustic soda poses workplace safety hazards. The 25KG PP woven bags with PE liners ensure safe storage and transportation, while the flake and pearl forms reduce the risk of accidental splashes during handling.
6. Hygroscopic Degradation: Caustic soda absorbs moisture from the air, reducing its purity over time. The requirement for airtight storage, combined with durable packaging, preserves product purity throughout its 24-month shelf life.

Common Questions FAQ

Q1: What is the difference between caustic soda flakes and pearls?
A: Flakes dissolve more quickly, making them ideal for applications requiring fast formulation integration, while pearls dissolve more slowly, allowing for more controlled dosing to avoid pH spikes. Both forms offer high purity and safe handling properties.
Q2: What purity levels are available?
A: We offer three purity grades: ≥98.5% for flakes, ≥99.0% for pearls, and a premium ≥99.8% grade for high-precision applications where minimal impurities are required.
Q3: Is this product suitable for Halal manufacturing?
A: Yes, our caustic soda is Halal certified, making it compliant with Islamic dietary and manufacturing standards for use in Halal cleaning products and chemical processes.
Q4: What is the typical dosing range in detergent manufacturing?
A: Dosing varies based on the specific formulation, but typically ranges from 0.2% to 2.5% by weight to achieve the desired pH level or complete LABSA neutralization.
Q5: What storage conditions are required for caustic soda?
A: Caustic soda is hygroscopic and air-sensitive, so it must be stored in airtight containers in a cool, dry area, away from incompatible materials like acids. Follow specific NaOH storage guidelines to maintain product purity and safety.
Q6: Does this product meet international quality standards?
A: Yes, it is manufactured to GB/T 209-2018 standards and holds ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 certifications, ensuring compliance with global quality, environmental and occupational health and safety requirements.