Phenol red Powder is widely used in microbiology as a pH indicator, visually showing pH shifts by changing color. This property is valuable for detecting acidity or alkalinity in solutions, aiding researchers in understanding their chemical environment.
In cell culture, Phenol red Powder monitors cell growth and viability. Its color changes in the medium indicate pH levels, correlating with cell health and proliferation. Researchers rely on these cues for optimal conditions.
Phenol red Powder is also essential in biochemical assays, monitoring enzymatic reactions. Its color changes in response to pH shifts offer real-time feedback on reaction progress, optimizing conditions and assessing enzyme efficiency.
For environmental testing, Phenol red Powder assesses water quality by indicating pH levels. This helps scientists understand water sample acidity, revealing environmental impacts and health risks.
Overall, the ability of Phenol red Powder as a pH indicator makes it vital in microbiology, cell culture, biochemistry, and environmental science. Its real-time visual pH feedback enhances experiment accuracy and efficiency.
| Cat. Number | ASC-1005 |
| CAS Number | 143-74-8 |
| MDL Number | MFCD00003552 |
| Pubchem | 310278714 |
| Molecular Weight | 354.38 gr/mol |
| Molecular Formula | C19H14O5S |
| Storage Temperature | 20 °C |
| Form and Color | Powder / Red to dark red |
| Solution Appearance | 1 % in 95 % ethanol / clear golden solution |
| Solubility | Soluble in water, ethanol, methanol and insoluble in chloroform. |
| pH Transition Range | 6.8 (Brownish yellow) – 7 (Orange) – 8.2 (red violet) |
| Wavelength of Maximum Absorption | 430 - 435 nm (pH 6.5) |
| Wavelength of Maximum Absorption | 557 - 560 nm (pH 8.2) |
| Absorptivity (E1%, 1cm cell) | 600 - 700 (pH 6.5) |
| Absorptivity (E1%, 1cm cell) | 1100 - 1200 (pH 8.2) |
| Loss on Drying | ≤ 5 % |
| Synonym | Phenolsulfonephthalein;3,3-Bis(p-hydroxyphenyl)-2,1-3H-benzoxathiole |
