Sulfur Dioxide & Sulfites (Food Grade)
Food Grade Premium
Food Ingredients

Sulfur Dioxide & Sulfites (Food Grade)

Premium food grade sulfur dioxide and sulfites including sodium metabisulfite and sodium sulfite for antioxidant preservation. This dual-function preservative provides effective antimicrobial and antioxidant protection for wine, dried fruits, beverages, and processed foods.

  • Dual Antioxidant & Antimicrobial Action
  • Essential for Wine Production
  • Prevents Browning & Oxidation
  • Multiple Sulfite Forms Available
  • Effective in Dried Fruits
  • Professional Food Grade
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Technical Specifications

Chemical Name: Sulfur Dioxide
E Number: E220
CAS Number: 7446-09-5
Chemical Formula: SO₂
Molecular Weight: 64.07 g/mol
Physical State: Colorless gas (liquefied under pressure)
Odor: Sharp, pungent
Boiling Point: -10°C
Solubility: Highly water-soluble
pH (aqueous solution): 1.5-2.0
Purity: ≥99.9%
Packaging: Pressurized cylinders

Applications

Wine Production
Dried Fruits
Fruit Juices
Baked Goods
Confectionery
Seafood Processing
Vegetable Processing
Food Manufacturing
Antioxidant
Antimicrobial Agent
Color Preservation
Shelf Life Extension

Industry-Specific Grades

DRAVYOM offers specialized sulfur dioxide grades tailored for specific applications, ensuring optimal preservative and antioxidant performance across diverse food processing operations.

Food Grade
Purity: ≥99.9% Heavy Metals: ≤5 ppm Water Content: ≤0.05% Application: Food preservation
Wine Grade
Purity: ≥99.95% Antioxidant activity: High Antimicrobial effect: Excellent Application: Wine production
Fruit Processing Grade
Color preservation: Excellent Browning prevention: Effective Vitamin retention: Enhanced Application: Dried fruits, juices
Industrial Grade
Purity: ≥99.5% Volume delivery: Large scale Cost-effective: Yes Application: Food manufacturing

Quality Standards

DRAVYOM's Sulfur Dioxide is manufactured under stringent quality control protocols, meeting international food safety standards and regulatory requirements for consistent preservation performance.

ISO 22000:2018 Food Safety Management
FCC & EU Preservative Standards
Dual Function Preservative
Advanced Gas Purity Testing
Color Preservation Agent
Potent Antioxidant
Certificate of Analysis
Sustainable Production

Advanced Chemical Properties & Performance

Food Grade Sulfur Dioxide exhibits exceptional chemical properties essential for food preservation applications. Its ultra-pure composition and precise antioxidant/antimicrobial characteristics ensure reliable performance in demanding food preservation and wine-making applications.

Analytical Properties
Purity (as SO₂): ≥ 99.9%
Residual Water: ≤ 0.05%
Acid Insoluble: ≤ 0.01%
Sulfur Trioxide: ≤ 0.15%
Physical Properties
Appearance: Colorless gas/liquid
Molecular Weight: 64.07 g/mol
Boiling Point: -10.0°C at 1 atm
Solubility (Water): Very soluble (94 g/L at 20°C)
Preservation Performance
Antioxidant Activity: Highly effective oxygen scavenger
Antimicrobial Activity: Effective against bacteria and yeasts
Usage Level: 10-300 ppm depending on application
pH Effectiveness: Most effective in acidic conditions
Purity Specifications
Heavy Metals: ≤ 10 ppm
Iron: ≤ 10 ppm
Arsenic: ≤ 2 ppm
Chloride: ≤ 0.01%
Stability Properties
Storage Form: Pressurized liquid/gas cylinder
Decomposition: Stable under proper storage
Reactivity: Reacts with oxygen and metals
Corrosivity: Corrosive in presence of moisture

Performance Characteristics

Detailed performance metrics demonstrate Sulfur Dioxide superiority in food preservation with exceptional antioxidant efficiency, antimicrobial capability, and versatility across diverse food preservation applications.

Antioxidant Excellence

Efficiency: Superior oxygen scavenging capability

Prevents oxidative deterioration
Wine Industry Standard

Primary preservative in wine production

Essential for wine quality
Fruit Preservation

Prevents browning in dried fruits

Maintains color and quality
Usage Efficiency

Effective at very low concentrations

Cost-effective preservation
Regulatory Approval

Approved preservative with established limits

Global regulatory acceptance
Dual Function

Both antioxidant and antimicrobial properties

Comprehensive preservation

Safety Information

Approved food preservative with established usage limits. Handle with appropriate respiratory protection and ventilation. Can cause allergic reactions in sensitive individuals (sulfite sensitivity). Use proper containment systems and follow strict handling procedures due to toxic gas properties.

Toxic Gas
Respiratory Irritant
Allergen Risk

Storage & Handling

Store in approved pressure vessels in a cool, dry, well-ventilated area away from incompatible materials and ignition sources. Use corrosion-resistant containment systems and ensure proper leak detection. Require specialized handling equipment and emergency response procedures.

Cool storage (< 25°C)
Excellent ventilation required
Pressure vessel storage
Use respiratory protection

Chemical Mechanisms & Reaction Pathways

Sulfur dioxide functions as a powerful antioxidant and antimicrobial preservative through sulfite formation, creating oxygen scavenging and microbial inhibition for food preservation through chemical reduction and enzyme inactivation mechanisms.

Antioxidant Activity

Scavenges oxygen and free radicals preventing oxidation

Prevents browning and rancidity development
Enzyme Inhibition

Inactivates polyphenol oxidase and other enzymes

Prevents enzymatic browning reactions
Antimicrobial Action

Inhibits yeasts, molds, and bacteria through cellular disruption

Selective antimicrobial activity
Binding Reactions

Forms reversible complexes with aldehydes and sugars

Preserves flavor compounds and nutrients

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global food industry access with complete documentation packages supporting international food safety standards and sulfite preservative approval requirements.

FDA GRAS Status

Generally Recognized as Safe for specific food applications

E220 Approval

European food additive approval for preservative applications

Wine Industry Standards

Specialized approval for wine and beverage applications

OIV Guidelines

International Organization of Vine and Wine standards

Allergen Labeling

Required sulfite disclosure for sensitive individuals

Usage Limits

Established maximum levels for different food categories

Technical Support & Value-Added Services

DRAVYOM's food technology team provides comprehensive preservation support, antioxidant application guidance, and technical services to optimize sulfur dioxide performance in your specific food applications.

Preservation Science
  • Antioxidant efficacy testing
  • Shelf life extension studies
  • Optimal dosage determination
  • Custom preservation solutions
Analytical Services
  • Free SO2 analysis
  • Total sulfite determination
  • Antioxidant activity measurement
  • Microbiological testing
Technical Support
  • Application troubleshooting
  • Safe handling protocols
  • Quality control guidance
  • Regulatory compliance assistance
Supply Solutions
  • Custom concentration formulations
  • Specialized delivery systems
  • Technical documentation packages
  • Emergency supply protocols

Environmental Impact & Sustainability

Our sulfur dioxide production emphasizes environmental responsibility through efficient synthesis processes, emission control systems, and comprehensive waste management for food industry applications.

Sulfur Recovery

Efficient sulfur utilization from industrial sources

Emission Control

Advanced scrubbing systems for atmospheric protection

Process Efficiency

Optimized combustion processes reducing waste

Safety Systems

Comprehensive containment and monitoring systems

Air Quality

Continuous monitoring and emission reduction programs

Food Waste Reduction

Enables extended shelf life reducing food waste

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art chemical manufacturing facility employs advanced synthesis technology to ensure consistent sulfur dioxide quality and preservation effectiveness across all production batches.

Production Process

Controlled combustion in specialized reactor systems

Precise concentration and purity control
Quality Testing

Comprehensive testing including purity, concentration, and impurity analysis

Real-time monitoring and batch verification
Safety Systems

Advanced safety protocols with atmospheric monitoring

Continuous improvement and hazard prevention
Packaging Control

Pressure vessel packaging with leak prevention systems

Quality preservation and safety assurance

Market Applications & Performance Data

Comprehensive food industry data demonstrating sulfur dioxide effectiveness across diverse applications with quantified performance metrics and preservation validations.

Wine Production
Oxidation Prevention: 99% effectiveness Microbial Control: Selective antimicrobial action Quality Preservation: Maintained flavor profiles
Dried Fruits
Color Retention: 95% improvement Nutrient Preservation: Vitamin C protection Shelf Stability: Extended storage life
Beverages
Flavor Stability: Preserved taste characteristics Oxidation Control: Complete prevention Microbial Safety: Enhanced preservation

DRAVYOM Competitive Advantages

Superior Preservation

Consistently high-purity sulfur dioxide with exceptional antioxidant and antimicrobial effectiveness

Reliable Supply

Guaranteed availability with advanced production systems and flexible delivery scheduling

Preservation Expertise

Dedicated food scientists provide antioxidant optimization and preservation system support

Quality Assurance

Comprehensive certificates with purity data and food safety compliance documentation

Global Standards

International compliance with FDA, EU, and wine industry standards for worldwide acceptance

Partnership Approach

Collaborative relationships with food and beverage manufacturers and custom preservation solutions