Phenolphthaleins PH Indicator for Acid-Base Titrations and Laboratory Reagent Applications (CAS 77-09-8)
Price:
Negotiable
MOQ:
500g, 1kg or 25kg for sample, 1000kg for commercial order
Delivery Time:
In 3 working days
Brand:
Zorui
Product Description
Phenolphthaleins (CAS 77-09-8) PH Indicator
Phenolphthaleins is a versatile organic compound widely recognized for its role in acid-base titrations as a pH indicator. This colorless to pale pink crystalline powder transforms from colorless in acidic solutions to a pink-fuchsia color in alkaline environments, making it invaluable in chemical analysis and various applications.
Physical and Chemical Specifications
| Property | Specification |
|---|---|
| Chemical Formula | C₂₀H₁₄O₄ |
| Molecular Weight | 318.32 g/mol |
| Appearance | Colorless to pale pink solid |
| Melting Point | 258-260 °C |
| Boiling Point | 314 °C (decomposes) |
| Density | 1.173 g/cm³ |
| Solubility | Soluble in alcohol; slightly soluble in water |
Product Functions
- pH Indicator: Changes color at pH 8.2 to 10.0, indicating the transition from acidic to basic
- Acid-Base Titrations: Utilized in laboratories for quantitative analysis in chemistry
- Laboratory Reagent: Employed in various chemical reactions and studies
- Pharmaceutical Use: Serves as a laxative and in the formulation of certain medications
Application Areas
- Laboratories: Commonly used in chemistry and biology laboratories for titration and pH testing
- Pharmaceuticals: Applied in the formulation of some drugs and health supplements
- Food and Beverage: Used in certain food additives to monitor pH levels
- Industrial Applications: Acts as a color indicator in various manufacturing processes and chemical analyses
Manufacturing Process
- Synthesis: Phenolphthaleins is synthesized by the condensation of phthalic anhydride with phenol
- Purification: The crude product undergoes crystallization to achieve high purity
- Quality Control: Extensive testing is performed to ensure compliance with industry standards
- Formulation: Final adjustments are made to create specific formulations for various applications
Why Choose Our Phenolphthaleins
- High Purity Standards: We produce Phenolphthaleins with rigorous quality control for maximum efficacy
- Expert Knowledge: Our team possesses extensive expertise in chemical manufacturing and application
- Custom Solutions: We can tailor formulations based on specific customer needs
- Sustainable Practices: Commitment to eco-friendly processes and responsible sourcing
Frequently Asked Questions
What is the shelf life of Phenolphthaleins?
The typical shelf life is 36 months when stored in a cool, dry environment.
Is Phenolphthaleins safe to use?
When used according to guidelines, Phenolphthaleins is safe; however, it should be handled with care.
Can Phenolphthaleins be used in food applications?
Yes, it can be utilized in food and beverage applications but must comply with regulatory standards.
What are the storage conditions for Phenolphthaleins?
Store in a tightly sealed container in a cool, dry place, away from light.
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Company
Shanxi Zorui Biotechnology Co., Ltd.
Location
Huiquan Square F14, No.1450 SH Caohejing Hi-Tech Park, Datong, Shanxi, China
Contact Person
Julie