Caustic Soda Lye - Liquid NaOH Solution
Industrial Liquid
Industrial Alkali

Caustic Soda Lye - NaOH (25-50% Liquid Solution)

Premium liquid sodium hydroxide engineered for demanding industrial applications. Our high-concentration NaOH solution delivers exceptional performance in pulp & paper production, chemical manufacturing, water treatment, and industrial cleaning processes requiring superior alkalinity and reliable chemical reactivity.

  • 25-50% Concentration Range
  • High Purity Grade
  • Low Chloride Content
  • Membrane Grade Available
  • Ready-to-Use Solution
  • Complete Safety Documentation
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Technical Specifications

Chemical Formula: NaOH
CAS Number: 1310-73-2
EINECS Number: 215-185-5
Molecular Weight: 40.00 g/mol
Concentration Range: 25-50% w/w NaOH
Physical State: Clear, colorless liquid
Specific Gravity (50% solution, 20°C): 1.53 g/cm³
pH (5% solution): > 13 (highly alkaline)
Freezing Point (50% solution): 12°C
Boiling Point (50% solution): 140°C
Chloride Content: ≤ 0.005% (membrane grade)
Sodium Carbonate: ≤ 0.5%
Iron Content: ≤ 5 ppm
Heavy Metals (as Pb): ≤ 5 ppm
Mercury Content: ≤ 0.1 ppm (membrane grade)
Viscosity (50% solution, 20°C): 78 cP
UN Number: UN 1824 (Sodium hydroxide solution)
Packaging Options: Drums, IBC tanks, bulk tankers, railcars

Applications

Pulp & Paper Manufacturing
Chemical Manufacturing & Synthesis
Water Treatment & pH Control
Soap & Detergent Production
Petroleum Refining & Processing
Textile Processing & Mercerization
Industrial Cleaning & Degreasing
Food Processing & Cleaning
Aluminum & Metal Processing
Bleaching & Pulp Brightening
Chemical Neutralization
Laboratory & Research Applications

Industry-Specific Grades

DRAVYOM offers specialized caustic soda lye grades tailored for specific industry requirements, ensuring optimal performance and regulatory compliance across diverse industrial and processing applications.

Pulp & Paper Grade
Concentration: 45-50% Chloride: ≤ 0.005% Iron: ≤ 2 ppm Application: Kraft pulping, bleaching
Technical Grade
Concentration: 25-50% range Chloride: ≤ 0.01% Carbonate: ≤ 0.8% Application: General industrial processes
Food Grade
Concentration: 25-50% Heavy Metals: ≤ 2 ppm Mercury: ≤ 0.05 ppm Application: Food processing, cleaning
Membrane Grade
Concentration: 32% or 50% Chloride: ≤ 0.003% Ultra-low impurities Application: High-purity chemical synthesis

Quality Standards

DRAVYOM's Caustic Soda Lye is manufactured under stringent quality control protocols, meeting international chemical industry standards including ASTM, DIN, and various pulp & paper industry specifications.

ISO 9001:2015 Quality Management
TAPPI Pulp & Paper Standards
25-50% Concentration Precision
Advanced Chemical Analysis
Temperature-Controlled Processing
Continuous Quality Monitoring
Complete Certificate of Analysis
Specialized Chemical Transportation

Advanced Chemical Properties & Performance

DRAVYOM's Caustic Soda Lye exhibits exceptional chemical properties that make it essential for demanding industrial applications. The high alkalinity provides superior reactivity and processing efficiency.

Alkaline Properties
Base Strength: Strong base (pKb ≈ 0.2)
Dissociation: Complete in aqueous solution
Neutralization Capacity: High acid neutralization efficiency
Thermal Properties
Heat of Solution: -44.5 kJ/mol (highly exothermic)
Specific Heat: 3.3 J/g·K (50% solution)
Thermal Stability: Stable at operating temperatures
Reactivity Properties
Saponification: Excellent for fat/oil conversion
Lignin Dissolution: Effective in pulping processes
Metal Corrosivity: Aggressive to aluminum, zinc
Physical Characteristics
Viscosity (50% solution, 20°C): 78 cP
Surface Tension: 0.074 N/m (50% solution)
Electrical Conductivity: High ionic conductivity

Performance Characteristics

Our Caustic Soda Lye delivers exceptional performance across demanding applications, with optimized concentration and superior purity for maximum efficiency in industrial and processing operations.

Alkaline Strength

Maximum - Complete dissociation in solution

Superior alkaline performance
Pulping Efficiency

Superior - Excellent lignin dissolution

Optimized for paper industry
Concentration Accuracy

±0.2% precise control for critical processes

Reliable process control
Storage Stability

Excellent - Long-term chemical stability

Extended product lifecycle

Safety Information

Caustic soda lye is a highly corrosive material requiring specialized handling procedures. Causes severe burns to skin and eyes with exothermic reaction when mixed with water and acids. Vapors and mists cause severe respiratory damage with risk of permanent eye damage. Use advanced safety protocols and emergency response capabilities.

Highly Corrosive
Heat Generation
Eye Damage
Toxic Vapors

Storage & Handling

Proper storage and handling of caustic soda lye requires specialized equipment and procedures. Use only alkali-resistant materials and follow strict safety protocols to prevent accidents and equipment damage.

Above freezing point (varies with concentration)
Store in dedicated alkali storage areas
Protect from carbon dioxide exposure
Separate from acids and incompatible materials
Carbon steel or stainless steel 316L containers
Avoid aluminum, zinc, or tin materials
Use specialized alkali-resistant pumping systems
Implement rigorous lockout/tagout procedures

Chemical Mechanisms & Reaction Pathways

Caustic soda lye exhibits unique chemical reactivity through its strong alkaline properties, enabling diverse industrial applications with exceptional efficiency for pulping, saponification, and neutralization processes.

Pulping Mechanisms

Lignin + NaOH → Soluble lignin fragments + H₂O - Kraft pulping process

Nucleophilic attack dissolving lignin for cellulose liberation
Saponification Reactions

R-COO-R' + 3NaOH → 3R-COONa + R'(OH)₃ - Fat hydrolysis

Essential for soap and detergent manufacturing
Neutralization Reactions

NaOH + HCl → NaCl + H₂O - Acid neutralization

Precise pH control for waste treatment applications
Base Chemistry

Strong alkaline properties for chemical synthesis pathways

High reactivity for industrial processes

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global market access with complete documentation packages supporting international trade and industrial application approval processes.

ASTM Standards

American Standard chemical specifications compliance

Industrial Standards

DIN and TAPPI pulp & paper industry standards

FDA Food Grade

Food processing and contact surface approved

EU Regulations

European food contact and safety regulations

HACCP Compliance

Hazard analysis critical control point systems

SDS Documentation

Multi-language Safety Data Sheets (16 sections, GHS compliant)

Technical Support & Value-Added Services

DRAVYOM provides comprehensive technical support and value-added services to optimize your caustic soda lye applications and ensure successful implementation in industrial and processing operations.

Process Engineering
  • Pulping process optimization
  • Chemical dosing system design
  • Concentration selection guidance
  • Equipment material recommendations
  • Process troubleshooting support
Safety & Risk Management
  • Comprehensive risk assessments
  • Emergency response planning
  • Safety system design
  • Process hazard analysis (PHA)
  • Regulatory compliance audits
Specialized Training
  • Advanced safe handling procedures
  • Emergency response training
  • Process optimization techniques
  • Equipment operation and maintenance
  • Regulatory compliance updates
Logistics Solutions
  • Specialized chemical transportation
  • Bulk storage tank solutions
  • Just-in-time delivery scheduling
  • Inventory management systems
  • Emergency supply protocols

Environmental Impact & Sustainability

DRAVYOM is committed to sustainable caustic soda production and responsible environmental stewardship, implementing advanced membrane technology and green chemistry principles throughout the manufacturing process.

Production Sustainability
  • Membrane cell technology (mercury-free)
  • Energy-efficient electrolysis processes
  • Brine recycling and purification
  • Waste heat recovery systems
  • Carbon footprint reduction programs
Environmental Protection
  • Zero mercury discharge technology
  • Advanced wastewater treatment
  • Chlorine emission control systems
  • Groundwater protection measures
  • Environmental management certification
Circular Economy
  • Spent liquor recovery in pulping
  • Chemical regeneration systems
  • Waste stream minimization
  • By-product utilization programs
  • Sustainable chemistry initiatives

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art membrane electrolysis facilities employ advanced technology and comprehensive quality assurance systems to ensure consistent, high-quality caustic soda lye production.

Advanced Production Technology
  • Membrane cell electrolysis technology
  • Automated concentration control
  • Advanced purification systems
  • Real-time process monitoring
  • Predictive maintenance programs
Quality Control Systems
  • Automated titration analysis
  • ICP-OES trace metal testing
  • Chloride ion analysis
  • Carbonate content determination
  • Statistical process control
Certifications & Standards
  • ISO 9001:2015 Quality Management
  • ISO 14001:2015 Environmental Management
  • OHSAS 18001 Occupational Health & Safety
  • TAPPI pulp & paper certifications
  • Food contact material approvals

Market Applications & Performance Data

DRAVYOM's caustic soda lye has proven performance across demanding applications, with extensive field data demonstrating superior efficiency and reliability in pulp & paper and industrial processing operations.

Pulp & Paper Performance
Lignin removal efficiency: 85%+ Optimal concentration for kraft pulping: 45-50% Active alkali (as Na₂O) typical: 25%
Soap Manufacturing Data
Saponification efficiency: 98%+ Typical concentration for soap making: 30-40% Complete saponification time: < 2 hours
Water Treatment Results
pH adjustment efficiency: 99%+ Common concentration for pH control: 25-32% pH adjustment response time: < 10 min

DRAVYOM Competitive Advantages

Choose DRAVYOM for caustic soda lye solutions that deliver superior performance, reliability, and value. Our commitment to quality, safety, and environmental responsibility sets us apart in the industrial alkali market.

Pulp & Paper Excellence

Specialized grades optimized for kraft pulping with superior lignin dissolution efficiency and minimal impurities for high-quality paper production.

Membrane Technology

Mercury-free membrane cell production ensuring ultra-low impurities and environmental compliance with sustainable manufacturing practices.

Precision Control

Advanced concentration control systems delivering ±0.2% accuracy for consistent performance in critical industrial applications.

Technical Expertise

Dedicated team of process engineers providing comprehensive support for pulping optimization and industrial process design.

Environmental Leadership

Sustainable production methods with zero mercury discharge and advanced emission control systems supporting green chemistry initiatives.

Logistics Excellence

Specialized chemical transportation and storage solutions with global distribution network and emergency supply capabilities.