Cresol Red, a key player in the field of analytical chemistry, is primarily known for its role as a pH indicator. With the chemical name Cresol Red and identified by the CAS number 62625-29-0, this compound is essential for accurately determining the pH of various solutions. Its molecular formula, C21H19NaO5S, provides insight into its chemical structure and behavior. Typically appearing as a brown powder, Cresol Red demonstrates good solubility in water and ethanol, making it a practical choice for laboratory preparations. Exploring these fundamental Cresol Red chemical properties is vital for its effective application.

The primary utility of Cresol Red lies in its ability to signal changes in pH through distinct color transitions. It exhibits two important transition ranges: first, from red to yellow between pH 0.2 and 1.8, and second, from yellow to red between pH 7.2 and 8.8. This dual-range functionality is particularly advantageous for titrations that span these pH levels, offering clear visual endpoints. Mastery of the Cresol Red pH indicator range is crucial for accurate chemical analysis.

The applications of Cresol Red are not limited to standard laboratory pH measurements. It is also employed in specialized areas such as thermochromic materials, which change color in response to temperature fluctuations. Furthermore, its use extends into the cosmetic industry and pharmaceutical research, where it aids in measuring the hydrophobicity of therapeutic drugs. These varied Cresol Red applications underscore its versatility and importance across different scientific domains.

For researchers and laboratory technicians, understanding how to properly use Cresol Red is key to obtaining reliable results. This includes knowing the correct preparation of indicator solutions and understanding how to interpret the color changes within the defined pH ranges. The ease of buying Cresol Red online ensures that laboratories can readily access this essential reagent to maintain their analytical capabilities.

In conclusion, Cresol Red is a significant chemical compound characterized by its reliable pH indication, diverse applications, and well-documented properties. Its ability to transition colors across a useful pH spectrum makes it an indispensable tool for chemists. Whether for routine analysis or more specialized research, a thorough understanding of its Cresol Red chemical properties and usage is highly recommended. The accessibility of buying Cresol Red online simplifies procurement for scientific endeavors.