Phenolphthalein Indicator w/ Dropper Bottle – Lab Grade

$9.99$34.99

Chemical Information

  • Chemical Name: Phenolphthalein Indicator Solution
  • Common Names: Phenolphthalein, pH Indicator, Acid-Base Indicator
  • CAS Number: 77-09-8
  • Molecular Formula: C₂₀H₁₄O₄
  • Molecular Weight: 318.32 g/mol
  • Appearance: Clear, colorless liquid
  • Odor: Odorless
  • Concentration: Typically 0.5% or 1% w/v in ethanol or water
  • Purity: Laboratory Grade

Physical & Chemical Properties

  • pH Transition Range: Colorless (pH < 8.2) to Pink (pH 8.2 – 10.0)
  • Solubility: Soluble in alcohol, slightly soluble in water
  • Boiling Point: ~100°C (212°F) (aqueous solution)
  • Density: ~1.0 g/cm³
  • Reactivity: Stable under normal storage conditions

Mechanical & Stability Properties

  • Combustibility: Non-combustible (aqueous solution), flammable if ethanol-based
  • Corrosiveness: Non-corrosive
  • Stability: Light-sensitive; store in amber bottles

Documents:

Safety Data Sheet

 

 

Description

Phenolphthalein Indicator Solution is a high-purity pH indicator widely used in acid-base titrations, laboratory analysis, medical diagnostics, and educational experiments. It is a colorless compound in acidic solutions but turns pink to fuchsia in alkaline conditions, making it an essential reagent in analytical chemistry, water testing, and industrial quality control.

Applications of Phenolphthalein Indicator:

1. Laboratory & Analytical Applications

  • Acid-Base Titrations: Used as a pH indicator in acid-base titration reactions, turning colorless in acidic solutions and pink in alkaline solutions.
  • pH Measurement: Provides quick and accurate identification of acidic or basic solutions in laboratories.
  • Analytical Chemistry: Used in chemical analysis, research, and industrial quality control.
  • Water Quality Testing: Helps determine alkalinity and acidity in water treatment plants.
  • Forensic Science: Utilized in blood detection tests and forensic investigations.

2. Industrial & Manufacturing Applications

  • Chemical Processing: Essential in monitoring pH changes in chemical manufacturing processes.
  • Soap & Detergent Manufacturing: Used to measure and adjust pH in formulations.
  • Textile & Dyeing Industry: Helps control pH levels in textile processing and dyeing applications.
  • Food & Beverage Industry: Used in food safety testing and pH regulation.
  • Petrochemical Industry: Applied in acid neutralization and process optimization.

3. Medical & Pharmaceutical Applications

  • Medical Diagnostic Testing: Used in urine pH tests, gastric acid analysis, and intestinal health monitoring.
  • Pharmaceutical Research: Utilized in drug formulation and stability testing.
  • Biochemical Studies: Applied in enzyme research and protein interaction studies.

4. Educational & Research Applications

  • Science Education: Widely used in high school and university chemistry labs for teaching acid-base reactions.
  • Chemical Demonstrations: Popular for science experiments demonstrating pH changes and color transitions.
  • STEM Learning Kits: Included in chemistry lab kits for interactive learning.

5. Environmental & Water Treatment Applications

  • Wastewater Treatment: Used in monitoring and adjusting the pH of industrial effluents.
  • Soil Testing & Agriculture: Helps determine soil pH levels for optimal crop growth.
  • Air Pollution Studies: Utilized in acid rain research and CO₂ absorption testing.

6. Forensic & Safety Applications

  • Blood Detection Tests: Used in forensic investigations for detecting latent blood stains.
  • Corrosion Testing: Helps assess the impact of acidic or basic environments on metals.
  • Firefighting Foam Testing: Used in chemical analysis of firefighting foams and extinguishing agents.

Storage

  • Store in a cool, dry, and well-ventilated area.
  • Keep in light-resistant (amber) bottles to prevent degradation.
  • Keep away from heat, sparks, and open flames if ethanol-based.

Handling

  • Use protective gloves, safety goggles, and lab coats when handling.
  • Avoid contact with skin and eyes; can cause irritation.
  • Use in a well-ventilated environment or fume hood.

Safety

  • May cause irritation upon contact with skin or eyes.
  • Flammable if ethanol-based; handle with care.
  • Avoid ingestion and inhalation of vapors or dust.
  • Follow OSHA, EPA, and laboratory safety regulations.
  • Material Safety Data Sheet (MSDS) available upon request.

 

 

Additional information

Size

60mL Dropper Bottle (2 Fl Oz), 500mL (16 Fl Oz) w/ Dropper Bottle, 1000mL w/ Dropper Bottle (32 FL Oz)

SKU: N/A Categories: , , Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , ,