Product Description:Phenolphthalein Indicator
Phenolphthalein (C₂₀H₁₄O₄) is a widely used pH indicator in acid-base titrations and laboratory experiments. It is a weak organic acid that remains colorless in acidic solutions and turns pink to fuchsia in alkaline solutions (pH range: ~8.2 to 10.0). In concentrated alkaline solutions, it may become colorless again due to further ionization.
Phenolphthalein is supplied in solid crystalline form or as a ready-to-use alcohol-based solution for laboratory and industrial applications.
Key Features
- Chemical Name: Phenolphthalein
- Chemical Formula: C₂₀H₁₄O₄
- CAS Number: 77-09-8
- Molecular Weight: 318.33 g/mol
- Appearance: White to yellowish crystalline powder
- Solubility: Insoluble in water; soluble in ethanol and alkali solutions
- pH Transition Range: 8.2 – 10.0
- Color Change:
- Acidic: Colorless
- Alkaline: Pink/Fuchsia
Applications
- Acid-Base Titrations:
- Standard laboratory indicator for neutralization reactions
- pH Indicator:
- Detects pH changes in chemical and biological experiments
- Educational Use:
- Widely used in schools, colleges, and universities for chemistry demonstrations
- Analytical Chemistry:
- Applied in assays requiring clear visual detection of endpoints
- Industrial Testing:
- Used in water testing, soil analysis, and chemical quality control
Safety & Handling
- Irritant: May cause skin or eye irritation upon contact
- Toxicity: Harmful if ingested in large quantities
- Precautions: Handle with gloves and protective eyewear; avoid inhalation of dust
- Storage: Store in a cool, dry place, tightly sealed, and away from direct sunlight
Why Choose Phenolphthalein Indicator?
- High-Purity Grade for reliable titration results
- Accurate & Sharp Endpoint Detection in pH range 8.2–10.0
- Versatile Use in education, analytical labs, and industry
- Consistent Quality with stable shelf life
Price in Bangladesh
Available in small laboratory packs and bulk solutions at competitive prices. Discounts are offered for bulk and institutional purchases.
Where to Buy
Phenolphthalein Indicator is available from certified chemical suppliers and laboratory distributors across Bangladesh.
Why Buy from M/S Bright Scientific Co.?
- Reliable Supplier: Serving laboratories, industries, and educational institutions nationwide
- Affordable Rates: Cost-effective pricing with bulk discounts
- Fast Delivery: Secure and timely shipment throughout Bangladesh
- Custom Orders: Available in different concentrations and packaging sizes
Contact Information
M/S Bright Scientific Co.
📞 Phone: 01711285976
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