Phenol Red Free Acid

Phenol Red Free Acid CAS: 143-74-8 | MF: C19H14O5S | MW: 354.38, Buy now for accurate and Reproducible results from Tristains indicators. All Tristains products are exclusively distributed by Dawn Scientific Inc.

Phenol red free acid appears yellow or orange-yellow. Phenol red free acid is a pH indicator belonging to the phenolsulfonphthalein family. It consists of three aromatic rings with a sulfonate group and two hydroxyl groups. Phenol red free acid is sparingly soluble in water but more soluble in organic solvents like ethanol. The chemical formula for phenol red free acid is C19H14O5S. It undergoes color 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. Phenol red free acid is a chemical compound commonly used as a pH indicator in various scientific applications.

TriStains provides a marketplace for histology and biological stains, which is comprehensive enough to encompass the peculiar requirements of laboratories specializing in Histology, Cytology, Microbiology, and Hematology. With a reputation for exceeding quality expectations, TriStains performance is outstanding which allows for resolution of cell and tissue components fundamental to life sciences to be clearly visualized. Each product under TriStains series is validated for accuracy, reliability and consistency. TriStains, which manufactures and markets stains and indicators in various packing, offers laboratories turn key solutions for all their staining and indicator needs, improving accuracy in every experiment.

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