What is Phenolphthalein Powder?

Phenolphthalein Powder, a renowned chemical compound, stands as a pivotal player in various industries due to its distinctive properties. Produced with precision by Yihui, a leading manufacturer, and supplier, this powder plays a significant role as an indicator, owing to its color-changing abilities in different pH environments.

Derived from phthalic anhydride and phenol, Phenolphthalein boasts a white to pale-yellow crystalline powder form. Its molecular formula, C20H14O4, highlights its intricate structure, contributing to its exceptional properties. The powder has a melting point of 258–263 °C, ensuring stability under diverse conditions.

Basic Information

Product Name: Phenolphthalein

CAS: 77-09-8

MF:C20H14O4

MW:318.32

EINECS:201-004-7

MDL No.:MFCD00005913

Purity: 99%

Package: 25kg

Used: pharma grade & Lab research

Stability: Stable

Structural formula:

Specifications and Parameters

PACKING:  25KGS NET IN CARTON DRUM WITH LINER（TWO P.E PACKAGES）.

Storage： Keep container tightly closed in a dry and well-ventilated place.

Chemical Composition

Phenolphthalein's chemical composition is a result of the meticulous combination of phthalic anhydride and phenol, leading to its distinct molecular structure - C20H14O4.

Role and Function

As a versatile chemical compound, Phenolphthalein Powder serves as an indispensable pH indicator in laboratory settings. Its primary function lies in its color transition, shifting from colorless in acidic solutions to vibrant pink in alkaline environments. This unique characteristic makes it an essential tool for titrations and experiments requiring precise pH determinations.

Beyond its role as an indicator, Phenolphthalein finds applications in the pharmaceutical and cosmetic industries. It contributes to formulations requiring pH-sensitive color changes, ensuring product quality and efficacy. Its use extends to educational institutions for engaging chemistry demonstrations, providing a visual representation of chemical reactions to students.

Synthesis Process

The synthesis of Phenolphthalein involves the reaction between phthalic anhydride and phenol under specific conditions. The process requires meticulous control of temperature and reaction time to achieve the desired purity and crystalline structure. Yihui employs cutting-edge technology and adheres to stringent manufacturing protocols to ensure the consistent production of high-quality Phenolphthalein Powder.

Quality Standards

Yihui upholds rigorous quality standards to meet the diverse needs of professional buyers and global dealers. Our manufacturing process aligns with international standards, and we have earned certifications such as ISO, Kosher, Halal, and GMP. These certifications underscore our commitment to producing CAS  77-09-8 of unparalleled quality, ensuring its reliability and efficacy across various applications.

Application Fields in Various Industries

Phenolphthalein indicator powder is versatility extends its reach across multiple industries. In laboratories, it serves as a fundamental pH indicator for accurate titrations. In pharmaceuticals, it contributes to the production of medications with pH-dependent solubility. Additionally, the cosmetic industry utilizes Phenolphthalein for formulating products that require pH monitoring for optimal performance.

In the manufacturing sector, Phenolphthalein is used in the production of plastics and polymers. It acts as an indicator during the polymerization process to monitor the pH and ensure proper reaction conditions. This helps in controlling the molecular weight and properties of the final polymer product.

In the food and beverage industry, Phenolphthalein is utilized as a pH indicator for quality control. It helps in deciding the acidity or alkalinity of food items, guaranteeing that they fulfill the ideal guidelines and flavor profiles.It is particularly useful in the production of beverages like wine, where pH plays a crucial role in taste and stability.

Furthermore, the agricultural industry utilizes Phenolphthalein for soil testing. It serves as an indicator to measure the pH of soil samples, which is vital for assessing soil fertility and determining suitable crop choices. Ranchers and agronomists utilize this data to make informed choices in regards to compost application and soil changes.

In the textile industry, Phenolphthalein is employed as a pH indicator during dyeing and coloration processes. It helps in determining the optimum pH levels for dye fixation, ensuring consistent and vibrant color results on various fabrics and textiles.

Contact Us

Yihui stands as a professional Phenolphthalein indicator powder manufacturer and supplier, dedicated to meeting specific requirements and ensuring product quality. Our adherence to international standards and attainment of ISO, Kosher, Halal, and GMP certifications highlight our commitment to excellence. For inquiries and orders, contact us at sales@yihuipharm.com and experience the precision of the product in your applications.