Sodium Dithionite (Hydrose)
Textile Bleaching
Textile Processing Chemicals

Sodium Dithionite (Hydrose)

High-performance sodium dithionite engineered for exceptional textile processing applications. Our Hydrose provides superior reducing power, enhanced bleaching performance, excellent vat dye processing, and optimal performance for demanding textile operations requiring reliable reduction bleaching and effective dye solubility enhancement.

  • Superior Reducing Power
  • Enhanced Bleaching Performance
  • Excellent Vat Dye Processing
  • Reliable Reduction Bleaching
  • Dye Solubility Enhancement
  • Professional Textile Grade
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Technical Specifications

Product Type: Sodium Dithionite (Hydrosulfite)
Chemical Formula: Na₂S₂O₄
Purity: 85-90%
pH (1% solution): 3.5-5.0
Zinc Content: 0.1-0.3%
Iron Content: ≤ 20 ppm
Reducing Power: High (strong reductant)
Appearance: White crystalline powder
Storage Life: 12 months in cool, dry conditions
Packaging: 50kg iron drums, 25kg fiber drums

Applications

Textile Bleaching
Dye Stripping
Vat Dye Reduction
Indigo Dyeing
Color Removal
Textile Manufacturing
Quality Control
Chemical Reduction

Industry-Specific Grades

DRAVYOM offers specialized sodium dithionite grades tailored for specific textile reduction applications, ensuring optimal bleaching and dyeing performance across diverse manufacturing operations.

Dyeing Grade
Purity: 88-90% Iron: ≤ 20 ppm Reducing power: High Application: Vat and indigo dyeing
Bleaching Grade
Purity: 85-88% pH control: Optimized Stability: Enhanced Application: Textile bleaching processes
Industrial Grade
Purity: 85% min Volume: Large-scale Cost: Economical Application: High-volume operations
Technical Grade
Consistency: Superior Performance: Reliable Quality: Premium Application: Specialized textile processes

Quality Standards

DRAVYOM's Sodium Dithionite is manufactured under stringent quality control protocols, meeting international textile processing standards including ISO, ASTM, and industry-specific requirements. Our specialized production ensures consistent reducing power and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
High Purity (85-90%)
Consistent Reducing Power
Advanced Chemical Analysis
Low Iron Content (≤20 ppm)
pH Stability Control
Batch Performance Testing
Inert Atmosphere Storage

Advanced Chemical Properties & Performance

Sodium Dithionite exhibits exceptional reducing power and oxygen scavenging properties essential for bleach damage repair, vat dye reduction, and indigo dyeing in textile processing. Its unique sulfur-based reducing characteristics and oxygen-sensitive nature ensure reliable performance in demanding textile reductive processes across diverse fiber types and dyeing conditions.

Chemical Properties
Chemical Formula: Na₂S₂O₄ (hydrosulfite)
Molecular Weight: 174.11 g/mol
Reducing Power: Strong reducing agent
Oxygen Sensitivity: Rapidly oxidized by air
Physical Properties
Solubility: 25.4 g/100g H₂O (20°C)
pH (1% solution): 3.5-5.5 (acidic)
Decomposition: Releases SO₂ when acidic
Color: White to light yellow powder
Textile Performance
Bleach Damage Repair: Restores cellulose whiteness
Vat Dye Reduction: Essential for indigo processing
Oxygen Scavenging: Prevents dye reoxidation
Stripping Power: Removes certain dyes effectively
Application Properties
Operating Temperature: 50-80°C (controlled)
Concentration Range: 2-10 g/L application
pH Requirements: Alkaline conditions preferred
Atmosphere: Requires inert conditions
Stability Properties
Storage Stability: 6-12 months (sealed)
Air Sensitivity: Extremely air sensitive
Solution Stability: Immediate use required
Decomposition Products: SO₂, sulfites, sulfates

Performance Characteristics

Detailed performance metrics demonstrate Sodium Dithionite superiority in textile reducing applications with exceptional bleach damage repair, vat dye processing, and oxygen scavenging performance across diverse reductive textile operations and specialty dyeing processes.

Damage Repair

Excellent bleach damage reversal

Restores fabric whiteness
Vat Dye Processing

Essential for indigo reduction

Superior dye solubilization
Oxygen Scavenging

Prevents dye reoxidation

Maintains reduced state
Dye Stripping

Effective color removal

Controlled dye discharge
Fast Action

Rapid reducing power

Quick processing times
Specialty Applications

Unique reducing capabilities

Specialized textile uses

Safety Information

Handle sodium dithionite with extreme care using appropriate protective equipment including gloves, safety goggles, and respiratory protection. This material can release toxic sulfur dioxide gas when exposed to acids or moisture. Ensure excellent ventilation, avoid contact with acids, and maintain emergency procedures for SO₂ exposure.

Toxic Gas Risk
Respiratory Protection
Acid Incompatible

Storage & Handling

Store sodium dithionite in original sealed containers in a cool, dry environment under inert atmosphere. Protect from air, moisture, and acids. Use only in well-ventilated areas with emergency procedures in place. Handle with appropriate PPE and maintain separation from incompatible materials.

Cool, dry storage
Inert atmosphere required
Separate from acids
Excellent ventilation

Chemical Mechanisms & Reaction Pathways

Sodium dithionite functions through powerful reducing mechanisms, providing controlled reduction reactions for indigo dyeing, discharge printing, and bleaching applications through sulfur-based electron transfer chemistry.

Electron Donation

Provides strong reducing power through S₂O₄²⁻ ion dissociation

Two-electron reduction potential of -1.12V
Indigo Reduction

Reduces indigo to soluble leuco indigo for dyeing

Alkaline conditions enhance reduction efficiency
Oxygen Scavenging

Removes dissolved oxygen to maintain reducing conditions

Prevents oxidative degradation of substrates
Decomposition Products

Breaks down to sulfite and thiosulfate byproducts

pH-dependent decomposition pathway

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global textile industry access with complete documentation packages supporting international safety standards and environmental regulations for sodium dithionite use.

OEKO-TEX Standard

Certified for use in textiles with human-ecological safety

EPA Registration

Environmental Protection Agency approved for industrial use

FDA Compliance

Food contact approved for specific applications

REACH Registration

European Union chemical regulation compliance

Safety Documentation

Comprehensive Safety Data Sheets and handling protocols

Industry Standards

AATCC, ISO, and ASTM test method compliance for textile applications

Technical Support & Value-Added Services

DRAVYOM's textile chemistry team provides comprehensive sodium dithionite solutions, process support, and technical services to optimize reduction reactions in your specific textile applications.

Process Development
  • Reduction process optimization
  • Concentration and dosage guidance
  • pH and temperature control
  • Custom reducing systems
Testing Services
  • Reducing capacity evaluation
  • Stability testing protocols
  • Process efficiency assessment
  • Quality assurance verification
Technical Support
  • Process troubleshooting consultation
  • Equipment optimization guidance
  • Safety training and protocols
  • Environmental compliance support
Supply Solutions
  • Consistent batch-to-batch quality
  • Specialized packaging options
  • Temperature-controlled logistics
  • Global distribution network

Environmental Impact & Sustainability

Our sodium dithionite production emphasizes environmental responsibility through sustainable manufacturing practices, controlled decomposition management, and comprehensive environmental impact assessment for textile applications.

Green Chemistry

Environmentally friendly reducing agent with minimal byproducts

Water Treatment

Advanced neutralization systems for process effluent treatment

Clean Production

Energy-efficient manufacturing with controlled emissions

Safe Decomposition

Controlled breakdown to harmless sulfite compounds

ISO 14001

Environmental management system certified production

Waste Reduction

Minimized waste generation and comprehensive recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art sodium dithionite manufacturing facility employs advanced synthesis technology and continuous monitoring systems to ensure consistent quality and performance across all production batches.

Production Process

Advanced synthesis with controlled crystallization and stabilization

Multi-stage quality control at each production phase
Quality Testing

Comprehensive testing protocol including reducing capacity, purity, and stability analysis

Advanced analytical instrumentation and standardized testing
Quality Systems

ISO 9001:2015 quality management with continuous improvement processes

Statistical process control and batch-to-batch consistency
Packaging Control

Specialized packaging with oxygen barrier and stability protection

Stability testing and shelf-life validation

Market Applications & Performance Data

Comprehensive textile industry data demonstrating sodium dithionite effectiveness across diverse applications with quantified performance metrics and process validations.

Indigo Dyeing
Reduction Efficiency: 98% indigo solubilization Color Development: Superior depth and uniformity Process Stability: 95% consistent reduction
Discharge Printing
Discharge Efficiency: 95% color removal achieved Pattern Definition: Sharp edge definition Substrate Safety: 98% fiber strength retention
Sustainable Processing
Water Efficiency: 35% reduction in process water Energy Savings: 30% lower processing temperature Waste Reduction: 45% less chemical consumption

DRAVYOM Competitive Advantages

Superior Performance

Industry-leading reducing efficiency with excellent stability and process control

Reliable Supply

Guaranteed availability with specialized handling protocols and consistent quality assurance

Technical Expertise

Dedicated reduction chemistry team provides process optimization and troubleshooting support

Quality Assurance

Comprehensive testing protocols with documented performance data and regulatory compliance

Global Standards

International compliance with OEKO-TEX, EPA, and FDA standards for worldwide acceptance

Partnership Approach

Collaborative relationships with textile manufacturers and custom solution development services