Phenol Red Free Acid

Buy Phenol Red Free Acid (143-74-8) MF: C19H14O5S | MW: 354.38. Get High Quality Phenol Red Free Acid (143-74-8) from Tristains.

Phenol red free acid exhibits a yellow or orange-yellow coloration. It belongs to the phenolsulfonphthalein family and serves as a pH indicator. Comprising of three aromatic rings, a sulfonate group, and two hydroxyl groups, this compound has limited solubility in water but is more soluble in organic solvents such as ethanol. Its chemical formula is C19H14O5S. The color of phenol red free acid changes depending on the pH of the solution: red at pH 8.0 and above, yellow at pH 6.8 and below, and transitioning through orange at pH 7.4. Commonly employed as a pH indicator in various scientific applications, phenol red free acid is widely utilized.

TriStains meet the highest quality standards and give excellent color performance of desired components of cells and tissue in life science laboratories.

TriStains series products are carefully tested to ensure accurate, reliable, and reproducible results. Our products are available in different packaging sizes to allow you to get all types of stains & Indicators for your specific purposes from a single source.

In-addition Tristains also deals in numerous Laboratory Supplies, Chemicals, Equipment, Instruments, Reagents, Standard Solutions, Buffers, Histological Stains/Biological Stains & Indicators and many more, for more information please visit our website www.tristains.com or email to [email protected] we will be happy to help you. All Tristains Products are exclusively distributed by Dawn Scientific Inc (https://dawnscientific.com)

Application :

• Phenol red free acid is commonly used as a pH indicator in cell biology laboratory procedures.
• In cell culture media, it is used as a pH indicator to monitor the pH of the medium.
• It is sometimes used in microbiology to indicate pH changes resulting from microbial metabolic activities.

Benefits :

• Versatile and easy to use
• Gives precise determination of pH variations in solutions
• Cost-effective