Quinhydrone CAS 106-34-3

Chemical Name: Quinhydrone
CAS No.: 106-34-3
Molecular Fomula: C12H10O4
Molecular weight: 218.21
Appearance: Dark green crystalline powder.
Assay: ≥98.0%

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Table of Contents

Quinhydrone (CAS 106-34-3) Product Information

Basic Specifications

Parameter Specification
CAS Number 106-34-3
Molecular Formula C12H10O4
Molecular Weight 218.21 g/mol
Appearance Dark green crystalline powder
Purity ≥99.0% (HPLC)
Melting Point 165-170°C (dec.)
Solubility Soluble in ethanol, acetone; slightly soluble in water
Storage Conditions 2-8°C in airtight container, avoid light

Supplier Parameter Comparison

Supplier Purity Packaging Price Range (USD/kg) Key Differentiator
Sigma-Aldrich ≥99% 100g, 500g $350-400 Analytical grade with COA
TCI Chemicals ≥98% 25g, 100g $320-380 Bulk order discounts
Alfa Aesar ≥99.5% 50g, 250g $380-420 Low heavy metal content

Industrial Applications & Use Cases

2.1 Electrochemical Applications

Quinhydrone electrodes demonstrate exceptional performance in pH measurement systems with accuracy ±0.02 pH units. Widely used in:

  • Environmental monitoring equipment calibration
  • Pharmaceutical process control systems
  • Food quality testing instruments

2.2 Organic Synthesis

As redox catalyst in:

  • Polymer production (conductive polymers)
  • Dye intermediate synthesis
  • Pharmaceutical precursor reactions

2.3 Photographic Development

Critical component in:

  • Silver halide emulsion stabilization
  • Contrast control agents
  • Historical photograph restoration

Operational Guidelines

4.1 Solution Preparation Protocol

  1. Weigh 7.208g quinhydrone powder
  2. Dissolve in 1L ethanol (99.8% purity)
  3. Stir for 30min at 40°C protected from light
  4. Filter through 0.45μm membrane

4.2 Electrode Maintenance

  • Store in dark at 25±3°C
  • Replenish solution monthly
  • Calibrate against standard buffer weekly

Verified Customer Implementations

5.1 Electrochemical Research Lab (Germany)

Challenge Solution Result
pH drift in marine sensors Custom quinhydrone electrode formulation 42% accuracy improvement

5.2 Polymer Manufacturer (Japan)

Pain Point Implementation Outcome
Inconsistent redox reactions Precision dosing system 15% yield increase

Technical Consultation & Ordering

Contact our material science team:

  • Email: info@vivalr.com
  • Phone: (86) 15866781826
  • Response time: <2 business hours

Request parameters:

  1. Required quantity (grams/kg)
  2. Application field
  3. Purity requirements
  4. Delivery timeline

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