VWR 2,6-Dichlorophenolindophenol sodium salt hydrate ACS analytical reagent

VWR 2,6-Dichlorophenolindophenol Sodium Salt Hydrate (ACS Analytical Reagent) is a high-purity chemical commonly used as a redox indicator in analytical chemistry and biochemistry, particularly in vitamin C assays. Below are the key specifications and properties:

VWR 2,6-Dichlorophenolindophenol Sodium Salt Hydrate (ACS Analytical Reagent)

1. Product Overview
   • Chemical Name: 2,6-Dichlorophenolindophenol, sodium salt, hydrate
   • Purity: Meets ACS analytical reagent standards
   • CAS Number: 620-45-1
   • Molecular Formula: C₁₂H₆Cl₂NNaO₂·xH₂O
   • Molecular Weight: Approximately 290.08 g/mol (anhydrous basis, varies slightly based on hydration level)
2. Physical Properties
   • Appearance: Dark blue or purple crystalline powder
   • Solubility: Soluble in water, yielding a blue solution that changes color in redox reactions.
   • Storage Conditions: Store in a cool, dry place, protected from light to maintain stability and color integrity.
3. Applications
   • Redox Indicator: Widely used as a redox (oxidation-reduction) indicator in titration assays.
   • Vitamin C Assays: Commonly applied in quantitative analysis of ascorbic acid (vitamin C), where it acts as an electron acceptor, changing color from blue to colorless upon reduction.
   • Biochemical Assays: Used in biochemical studies to detect and measure compounds with reducing properties.
4. Color Change Properties
   • Oxidized Form: Blue in color when oxidized.
   • Reduced Form: Turns colorless upon reduction, indicating the endpoint in titration assays.
5. Safety and Handling
   • Hazards: May cause irritation to skin, eyes, and respiratory tract; handle with gloves and eye protection in a well-ventilated area.
   • Handling Precautions: Avoid direct contact with skin or inhalation; follow standard laboratory safety protocols.
6. Packaging
   • Available in quantities suitable for laboratory use, often in light-protective containers to maintain chemical integrity.

Benefits

• Reliable Indicator: Provides a distinct and reliable color change for redox titrations.
• High Purity: ACS analytical reagent grade ensures accuracy and consistency in analytical and biochemical applications.
• Versatile Application: Effective for vitamin C analysis and other assays involving reducing agents.

This reagent is a dependable choice for laboratories conducting redox titrations, vitamin C quantification, or other redox-based analyses.