VWR Bromocresol green ≥95% (dye content), powder, AnalaR NORMAPUR® ACS pH-indicator

Specifications:

VWR Bromocresol Green 95% Dye, Powder, AnalaR NORMAPUR® is a high-quality pH indicator dye used for acid-base titrations and pH monitoring in laboratories. This ACS-certified dye undergoes a color change from yellow in acidic conditions to blue in basic environments, making it a reliable indicator for determining pH in a wide range of aqueous solutions. It has a visual transition interval between pH 3.8 to pH 5.4, which is ideal for detecting pH changes in weakly acidic to slightly alkaline conditions.

This powdered form of Bromocresol Green is highly stable and offers precise results in analytical chemistry, biochemistry, and environmental testing. It is suitable for use in laboratories, biotech, and pharmaceutical research, ensuring accuracy and reliability in titrations and pH testing.

Key Features:

1. High Purity:
   • With ≥95% dye content, this ACS-certified Bromocresol Green ensures high accuracy and minimal impurities for reliable pH measurements.
2. Clear Color Change:
   • Yellow to tan powder that transitions from yellow to blue over the pH range of 3.8–5.4, making it ideal for detecting changes in weakly acidic to slightly alkaline solutions.
3. Versatile Applications:
   • Bromocresol Green is used in acid-base titrations, pH testing, and other analytical procedures where precise pH determination is required.
4. Stable and Reliable:
   • Stable in solution, with an infrared spectrum and sensitivity that meets ACS and Ph.Eur. standards, ensuring consistent results.
5. Low Loss on Drying:
   • The ≤3% loss on drying indicates low moisture content, ensuring the quality of the powder for accurate testing.

Applications:

• Titrations: Ideal for use in acid-base titrations, where it can be used to determine the endpoint of the titration by visual inspection of the color change.
• pH Testing: Commonly used as a pH indicator in pharmaceutical testing, chemical analysis, and biochemical assays.
• Environmental Testing: Used to monitor pH in water and environmental samples, ensuring compliance with environmental safety regulations.
• Quality Control: In laboratories, this dye is essential for maintaining accurate pH measurements and ensuring the integrity of reagents and formulations.

Packaging Options:

Storage:

• Store at ambient temperature in a cool, dry place to maintain stability.

VWR Bromocresol Green 95% Dye, AnalaR NORMAPUR®, is an essential tool for pH measurement in laboratory and industrial applications. Its high purity, stable performance, and accurate pH transitions make it the go-to indicator for acid-base titrations and analytical chemistry. Whether you're working in biochemical research, pharmaceutical analysis, or environmental testing, this product offers reliable and efficient results.