Ar Potassium Dichromate
Analytical Redox
Analytical Reagent

AR Grade Potassium Dichromate (K₂Cr₂O₇)

Analytical Reagent grade potassium dichromate manufactured for redox titrations, volumetric analysis, and precision analytical procedures. Our AR grade K₂Cr₂O₇ provides the highest purity standards for analytical chemistry, research applications, and accurate quantitative measurements.

  • 99.9% Analytical Grade Purity
  • Redox Titration Standard
  • Volumetric Analysis
  • Research Laboratory Applications
  • Primary Standard Quality
  • Precision Measurements
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Technical Specifications

Chemical Formula: K₂Cr₂O₇
CAS Number: 7778-50-9
EINECS Number: 231-906-6
Assay (as K₂Cr₂O₇): ≥99.5% (AR Grade)
Physical State: Orange crystalline powder
Bulk Density: 2.67 g/cm³
Molecular Weight: 294.18 g/mol
Melting Point: 398°C
Decomposition Temp: 500°C
Solubility (water, 20°C): 125 g/L
Water Content: ≤ 0.1%
Insoluble Matter: ≤ 0.005%
Chloride (Cl): ≤ 0.001%
Sulfate (SO₄): ≤ 0.002%
Heavy Metals (as Pb): ≤ 0.001%
Iron (Fe): ≤ 0.003%
UN Number: UN 3086 (Toxic solid, oxidizing)
Packaging Options: 250g, 500g, 1kg plastic bottles

Applications

Redox Titrations
Primary Standards
Oxidation Reactions
COD Determination
Analytical Chemistry
Chromic Acid Cleaning
Environmental Analysis
Educational Laboratories
Pharmaceutical Testing
Quality Control
Volumetric Standards
Reference Materials

Industry-Specific Grades

DRAVYOM offers specialized potassium dichromate grades tailored for specific analytical requirements, ensuring optimal performance and regulatory compliance across diverse laboratory applications.

AR Grade (Analytical Reagent)
Assay: ≥99.5% Insoluble: ≤ 0.005% Heavy Metals: ≤ 0.001% Application: General analytical procedures
ACS Grade
Assay: ≥99.5% Chloride: ≤ 0.001% Sulfate: ≤ 0.002% Application: ACS analytical standards
Primary Standard Grade
Assay: 99.95-100.05% Water: ≤ 0.01% NIST Traceable: Yes Application: Volumetric standards
Environmental Grade
Assay: ≥99.0% COD Application: Optimized EPA Method Support: Yes Application: Water analysis

Quality Standards

DRAVYOM's AR Grade Potassium Dichromate is manufactured under stringent quality control protocols, meeting international analytical standards including ACS, ISO, and pharmacopoeia specifications. Our analytical-grade production ensures consistent oxidizing performance and regulatory compliance.

ISO 9001:2015 Certified Manufacturing
ACS Grade Specifications
≥99.5% Accurate Purity
Advanced Analytical Testing
Superior Oxidizing Power
Batch-to-Batch Consistency
Traceable Certificate of Analysis
Temperature-Controlled Logistics

Advanced Chemical Properties & Performance

AR Grade Potassium Dichromate exhibits exceptional oxidizing properties essential for redox titrations and analytical procedures. Its strong oxidizing potential and precise stoichiometry ensure reliable performance in chromium analysis and volumetric determinations.

Oxidizing Properties
Standard Potential: +1.33 V (acidic conditions)
Electron Transfer: 6 electrons (Cr⁶⁺ to Cr³⁺)
Equivalent Weight: 49.03 g/mol (acidic)
Oxidizing Capacity: Strong oxidizing agent
Analytical Performance
Titration Precision: ±0.03% relative accuracy
Solution Stability: 6 months in dark conditions
Detection Limit: 0.5 mg/L spectrophotometric
pH Dependence: Optimal in acidic medium
Primary Standard Properties
Molecular Formula: K₂Cr₂O₇
Molecular Weight: 294.18 g/mol
Hygroscopicity: Non-hygroscopic
Thermal Stability: Stable to 500°C

Performance Characteristics

Performance metrics demonstrate Potassium Dichromate superiority as a primary standard with exceptional purity, non-hygroscopic nature, and reproducibility across diverse oxidimetric analytical procedures.

Primary Standard

Quality: 99.95%+ purity grade

Ideal reference material
Oxidizing Power

Potential: +1.33 V standard conditions

Strong oxidizing capability
Stability

Property: Non-hygroscopic solid

Excellent storage stability
Stoichiometry

Precision: Exact 6-electron transfer

Predictable redox behavior

Safety Information

Strong oxidizing agent and potential carcinogen. Can cause severe skin and eye burns. Avoid contact with combustible materials and reducing agents. Use appropriate protective equipment including chemical-resistant gloves, safety goggles, and lab coats. Ensure proper ventilation and follow strict safety protocols.

Oxidizer
Carcinogen
Corrosive

Storage & Handling

Store in original containers away from combustible materials, reducing agents, and organic compounds. Keep in a cool, dry, well-ventilated area with restricted access. Use non-metallic tools and follow stringent safety protocols for carcinogenic materials.

Cool, dry storage area
Away from combustibles
Restricted access storage
Non-metallic equipment only

Chemical Mechanisms & Reaction Pathways

Potassium dichromate demonstrates powerful oxidizing properties through chromium(VI) reduction mechanisms, enabling quantitative redox determinations with precise electron transfer reactions in analytical applications.

Oxidation Reactions

Chromium(VI) reduction to Cr(III) provides strong oxidizing capacity

Powerful oxidizing agent for organic compounds
Electron Transfer

Three-electron reduction enables stoichiometric quantitative determinations

Precise analytical calculations
Color Changes

Orange dichromate to green chromium(III) transition provides visual indication

Visual endpoint detection
pH Dependency

Acidic conditions optimize oxidizing potential and reaction kinetics

Enhanced oxidation efficiency

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global laboratory access with complete documentation packages supporting international analytical standards and oxidation method validations.

ACS Specifications

American Chemical Society analytical reagent standards compliance

ISO 3696 Standard

International standard for analytical grade reagent specifications

Primary Standard

High-purity specifications for standardization procedures

REACH Registration

European Union chemical regulation compliance

EPA Method Support

Validated for EPA environmental analytical methods

SDS Documentation

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

Technical Support & Value-Added Services

DRAVYOM's analytical chemistry team provides comprehensive oxidation method support, troubleshooting assistance, and analytical services to optimize potassium dichromate performance in your specific applications.

Redox Method Development
  • Oxidation protocol optimization
  • Standardization procedures
  • pH and temperature control
  • Interference elimination
Analytical Services
  • Purity verification analysis
  • Oxidizing capacity testing
  • Chromium content validation
  • Method validation support
Technical Support
  • Redox troubleshooting consultation
  • Safe handling and disposal training
  • Laboratory protocol development
  • Quality control guidance
Supply Solutions
  • Consistent reagent quality batching
  • Emergency supply arrangements
  • Custom concentration solutions
  • Secure transportation

Environmental Impact & Sustainability

Our potassium dichromate production emphasizes environmental responsibility through sustainable manufacturing practices, chromium recovery systems, and comprehensive environmental impact management for analytical operations.

Chromium Recovery

Advanced chromium recovery and recycling systems

Waste Minimization

Optimized formulation reducing waste generation

Clean Production

Controlled manufacturing with emission monitoring

Safe Disposal

Specialized chromium waste disposal protocols

ISO 14001

Environmental management system certified production

Alternative Development

Research into environmentally safer oxidizing alternatives

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art chemical manufacturing facility employs advanced crystallization technology with continuous monitoring systems to ensure consistent potassium dichromate quality and performance across all production batches.

Production Process

Controlled crystallization with high-purity precursors and optimized conditions

Maximum purity and oxidizing activity
Quality Testing

Comprehensive analysis including purity, oxidizing capacity, and trace impurities

Titrimetric and spectroscopic verification
Quality Systems

ISO 9001:2015 quality management with analytical laboratory accreditation

Continuous improvement and method validation
Packaging Control

Moisture-proof containers with stability preservation and contamination prevention

Chemical stability and purity maintenance

Market Applications & Performance Data

Comprehensive analytical laboratory data demonstrating potassium dichromate effectiveness across diverse applications with quantified performance metrics and oxidation method validations.

Redox Titrations
Purity: 99.9%+ K₂Cr₂O₇ content Precision: ±0.02% RSD reproducibility Stability: Primary standard grade
Educational Institutions
Curriculum Support: 150+ educational protocols Reproducibility: >99% consistent results Safety: Controlled handling procedures
Analytical Labs
Reliability: 99.9% batch consistency Efficiency: Rapid oxidation reactions Accuracy: Traceable to standards

DRAVYOM Competitive Advantages

Superior Oxidizing Power

Consistently high-purity dichromate with maximum oxidizing capacity for precise redox determinations

Reliable Supply

Guaranteed availability with strategic inventory management and specialized production scheduling

Analytical Expertise

Dedicated analytical chemistry team provides redox method development and oxidation support

Quality Assurance

Traceable certificates with comprehensive purity validation and analytical method support

Global Standards

International compliance with ACS, primary standard, and analytical specifications for worldwide acceptance

Partnership Approach

Collaborative relationships with analytical laboratories and custom redox method development services