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Phenolphthalein Indicator Lab Grade (25gm)
Price :
৳850
Estimated Shipping Time: Deliveries take up to 4-5 days after you place your order.
Uses: Lab Essentials
Product SKU: aXO7084ks2
Phenolphthalein is often used as a pH indicator due to its ability to undergo a color change in response to variations in acidity or alkalinity. Phenolphthalein is a white or pale yellow crystalline powder at room temperature. In its pure form, it is colorless and practically odorless. Phenolphthalein is sparingly soluble in water but dissolves readily in alcohols and other organic solvents. Its solubility in aqueous solutions increases as the pH becomes more alkaline. One of the most notable features of phenolphthalein is its sensitivity to pH changes. In acidic solutions (pH below 8.2), it remains colorless. However, in alkaline or basic solutions (pH above 8.2), it undergoes a distinct color change, turning vibrant pink to magenta. Phenolphthalein is commonly used in a pH range of 8.2 to 10.0, making it particularly useful for titrations and experiments where the endpoint of a reaction needs to be precisely determined.
Applications:
Acid-Base Titrations: Phenolphthalein is frequently employed as an indicator in acid-base titrations. Its sharp and easily detectable color change makes it valuable in determining the endpoint of the reaction.
Laboratory Use: It is a staple in laboratories for its reliability and accuracy in indicating pH changes. Scientists and researchers use it in various chemical analyses.
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Phenolphthalein indicator ACS, Reag. Ph Eur
- CAS # 77-09-8
- EC Number: 201-004-7
- Hill Formula: C₂₀H₁₄O₄
- Molar Mass: 318.33 g/mol
- Grade Value: ACS,Reag. Ph Eur
- Pack Size: 25 gm
- Made in India
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