Sodium Dichromate
Industrial Chromate
Industrial Grade

Sodium Dichromate

Industrial grade Sodium Dichromate manufactured for metal treatment, oxidizing processes, and specialized chemical applications. Our high-purity chromate compound provides excellent oxidizing properties, effective metal surface treatment, and reliable performance for industrial processes requiring controlled chromate chemistry.

  • Industrial Grade Purity
  • Metal Treatment
  • Oxidizing Agent
  • Surface Treatment
  • Chemical Processing
  • High Solubility
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Technical Specifications

Chemical Formula: Na₂Cr₂O₇·2H₂O
CAS Number: 7789-12-0
EINECS Number: 234-190-3
Assay (as Na₂Cr₂O₇·2H₂O): ≥ 99.0%
Physical State: Orange crystalline powder
Density (20°C): 2.52 g/cm³
Molecular Weight: 298.00 g/mol
Solubility in Water (20°C): 2300 g/L
pH (1% solution): 3.5-4.5
Chromium Content: 34.9% (as Cr₂O₃)
Chloride (Cl): ≤ 0.005%
Sulfate (SO₄): ≤ 0.01%
Iron (Fe): ≤ 0.005%
Hazard Classification: TOXIC - Chromate compound
Environmental Status: Restricted use - compliance required
UN Number: UN 1479 (Sodium dichromate)
Packaging Options: 25kg, 50kg PP bags with liner

Controlled Applications

Metal Treatment
Oxidizing Processes
Surface Treatment
Chemical Processing
Restricted Use
Licensed Facilities Only
Professional Handling
Environmental Monitoring
Waste Compliance
Documentation Required
Secure Storage
Regulatory Compliance

Controlled Grades

DRAVYOM provides sodium dichromate grades for authorized industrial applications under strict environmental compliance, requiring specialized handling and waste management protocols for chromate chemistry.

Industrial Grade
Assay: ≥ 99.0% Oxidizing Power: Strong Solubility: High Application: Metal treatment
Surface Treatment Grade
Assay: ≥ 99.5% Performance: Consistent Quality: Superior finish Application: Surface treatment
Oxidizing Grade
Assay: ≥ 99.0% Activity: Maximum Efficiency: Optimized Application: Chemical oxidation
Laboratory Grade
Assay: ≥ 99.0% Analytical: Certified Documentation: Complete Application: Controlled research

Quality Standards

Sodium Dichromate is a TOXIC chromate compound subject to strict environmental regulations and safety protocols. Use is restricted to licensed facilities with proper handling equipment and comprehensive waste management systems.

TOXIC - Chromate Compound
Licensed Facilities Only
Professional Training Required
≥99% Chromate Content
Environmental Monitoring
Waste Management Protocols
Complete Documentation
Regulatory Compliance

Advanced Chemical Properties & Performance

Sodium Dichromate exhibits powerful oxidizing properties essential for metal treatment and industrial processes. Its controlled chromate composition ensures reliable performance in demanding passivation and surface treatment applications while requiring strict safety protocols.

Oxidizing Properties
Oxidation Potential: +1.33 V (Cr₂O₇²⁻/Cr³⁺)
Oxidizing Strength: Strong oxidizing agent
Reaction Rate: Rapid oxidation kinetics
pH Dependence: Acidic conditions preferred
Physical Properties
Melting Point: 357°C
Solubility (20°C): 187 g/100ml water
Appearance: Orange-red crystalline solid
Hygroscopicity: Slightly hygroscopic
Passivation Performance
Passivation Efficiency: Excellent for stainless steel
Film Formation: Uniform chromium oxide layer
Corrosion Protection: Superior long-term resistance
Treatment Time: 15-30 minutes optimal

Performance Characteristics

Performance metrics demonstrate Sodium Dichromate effectiveness in metal treatment applications with superior passivation capability, oxidizing power, and corrosion protection across industrial processes.

Oxidizing Power

Strength: Powerful oxidation capability

Effective metal treatment
Passivation Quality

Formation: Uniform protective layer

Superior corrosion resistance
Treatment Speed

Rate: Rapid passivation process

Efficient processing times
Temperature Range

Operating: 20-70°C effective

Flexible processing conditions
Solution Stability

Durability: Long-term bath life

Extended operational use
Industrial Scale

Capacity: Large-scale applications

Commercial viability

Safety Information

EXTREMELY HAZARDOUS - Toxic chromate compound that is carcinogenic and causes severe health effects. Handle only in licensed facilities with specialized training and equipment. Requires complete PPE including respiratory protection, chemical-resistant suits, and emergency response protocols. Environmental monitoring and waste management are mandatory.

TOXIC/CARCINOGENIC
Oxidizing Agent
Environmental Hazard

Storage & Handling

Store in licensed hazardous material storage facilities with specialized containment systems. Requires segregated storage away from organic materials and reducing agents. Implement comprehensive monitoring, containment, and emergency response procedures.

Licensed facility required
Continuous monitoring
Emergency response ready
Waste management protocols

Chemical Mechanisms & Reaction Pathways

Sodium Dichromate exhibits powerful oxidizing chemistry through controlled chromium(VI) mechanisms, enabling effective metal treatment, oxidation processes, and surface finishing with precise chemical control.

Oxidation Mechanisms

Cr₂O₇²⁻ + 14H⁺ + 6e⁻ → 2Cr³⁺ + 7H₂O (strong oxidizing action)

Powerful oxidation for metal treatment
Chromate Equilibrium

2CrO₄²⁻ + 2H⁺ ⇌ Cr₂O₇²⁻ + H₂O (pH-dependent conversion)

Controlled chromium speciation
Passivation Chemistry

Formation of protective chromium oxide layers

Corrosion resistance enhancement
Surface Treatment

Controlled etching and surface modification

Precise surface preparation

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures controlled access with complete documentation packages supporting international standards and hexavalent chromium handling protocols.

Chromium(VI) Regulations

Strict compliance with hexavalent chromium regulations

Industrial Standards

ASTM specifications for chromium compounds

OSHA Compliance

Workplace safety standards for chromium exposure

REACH Authorization

European Union chromium(VI) authorization required

Waste Management

Hazardous waste disposal regulations compliance

Technical Certification

Licensed facility requirements and handling protocols

Technical Support & Value-Added Services

DRAVYOM's chromium chemistry specialists provide comprehensive sodium dichromate support, safety protocols, and alternative technology guidance for responsible industrial applications.

Safety Protocols
  • Chromium(VI) handling procedures
  • Personal protective equipment guidance
  • Exposure monitoring protocols
  • Emergency response planning
Process Applications
  • Metal treatment optimization
  • Surface finishing protocols
  • Oxidation process control
  • Passivation treatment design
Alternative Technologies
  • Chromium-free replacement options
  • Process transition planning
  • Environmental compliance support
  • Sustainability consulting
Waste Management
  • Chromium recovery system design
  • Waste treatment optimization
  • Disposal protocol guidance
  • Regulatory compliance support

Environmental Impact & Sustainability

Our Sodium Dichromate operations emphasize responsible chromium management through advanced recovery systems, comprehensive waste treatment, and transition support toward sustainable alternatives.

Chromium Recovery

Advanced recovery systems for chromium reclamation

Waste Treatment

Chromium reduction and precipitation systems

Emission Control

Comprehensive air and water emission controls

Alternative Development

Research and development of chromium-free alternatives

ISO 14001

Environmental management system certified operations

Transition Support

Customer support for sustainable technology adoption

Manufacturing Excellence & Quality Control

DRAVYOM's specialized chromium facility employs controlled synthesis processes with maximum safety systems to ensure consistent Sodium Dichromate quality while maintaining strict environmental and safety standards.

Production Process

Controlled oxidation from high-purity chromium sources

Technical grade sodium dichromate preparation
Quality Testing

15-point analytical testing including chromium content analysis

ICP-OES verification and oxidation state analysis
Safety Systems

Maximum containment with chromium exposure controls

Continuous monitoring and emergency protocols
Secure Packaging

Hazmat-compliant containers with safety labeling

Safe transport and storage compliance

Market Applications & Performance Data

Comprehensive industrial application data demonstrating Sodium Dichromate effectiveness in controlled applications with quantified performance metrics and safety validations.

Metal Treatment
Oxidation Power: Controlled metal surface treatment Passivation: Enhanced corrosion resistance Surface Quality: Uniform treatment results
Chemical Processing
Oxidizing Agent: Precise reaction control Selectivity: Controlled oxidation pathways Efficiency: High conversion rates achieved
Recovery Systems
Chromium Recovery: 95%+ reclamation efficiency Waste Reduction: Minimized disposal volumes Cost Efficiency: Reduced material consumption

DRAVYOM Competitive Advantages

Safety Excellence

Comprehensive chromium(VI) safety protocols with industry-leading handling procedures

Regulatory Expertise

Complete compliance support with chromium regulations and documentation

Recovery Solutions

Advanced chromium recovery technologies maximize material utilization

Sustainable Transition

Support for chromium-free alternatives and sustainable process development

Technical Partnership

Dedicated chromium chemistry team provides safety training and process optimization

Controlled Applications

Specialized expertise in controlled chromium applications with comprehensive support