Phenolphthalein Indicator 50 gm,is a widely used pH indicator in chemical laboratories, especially in acid-base titrations. This 50g pack by Loba Chemie provides a high-quality and reliable reagent ideal for analytical and academic applications. Phenolphthalein indicator pH, known for its sharp color change, offers precise results in experiments requiring accurate pH detection.

Key Features of Phenolphthalein Indicator

• Chemical Name: Phenolphthalein

• Chemical Formula: C₂₀H₁₄O₄

• Molar Mass: 318.34 g/mol

• Appearance: White to pale pink powder or crystals

• Quantity: 50g

• Purity: >99%, suitable for precise lab analysis

• pH Range: Colorless in pH < 8.3, pink to red in pH > 8.3

How it Works

• Acidic Solutions: Colorless in pH < 7

• Neutral Solutions: Remains colorless

• Basic Solutions: Turns pink between pH 8.3–10, deep red at pH > 10

This clear transition makes it an essential tool for titration, particularly for detecting the endpoint in weak acid and strong base reactions.

Common Uses

• Titration: Acts as a visual endpoint marker

• Water Testing: Determines acidity/alkalinity of samples

• Buffer Calibration: Helps set and confirm buffer ranges

Safety & Storage

• Handle with gloves and eye protection

• Store in a cool, dry place away from acids and bases

• Keep the container sealed to prevent contamination

Phenolphthalein Indicator Price in Bangladesh

For accurate pricing and availability, check with laboratory chemical suppliers or local distributors.