Fig. 1 · Structure
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α-Naphtholbenzein
PH Indicator
α-Naphtholbenzein is a pH indicator that exhibits colorimetric changes in response to pH variations. It is widely utilized in acid-base neutralization reactions, titrations, and pH measurement, providing a reliable method for assessing the acidity or alkalinity of solutions. Its distinctive color transition enhances the visibility of changes in pH, making it valuable for various analytical applications in chemical research.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 145-50-6 |
| Applications | PH Indicator |
| Formula | C27H18O2 |
| Molecular Weight | 374.44 |
| Synonyms | p-Naphtolbenzein |
| SMILES | O=C1C=C/C(C2=C1C=CC=C2)=C(C3=C4C=CC=CC4=C(O)C=C3)/C5=CC=CC=C5 |
Storage & Solubility
In Vitro Solubility
Reported Solubility
No reported solubility data are available for this product.
Preparing Stock Solutions
| Concentration | |
|---|---|
Values use four significant digits. Prepare to the final solution volume; this is not the volume of solvent to add.
Stock preparation is unavailable for this product molecular weight.
Calculated stock concentrations do not establish solvent solubility. Refer to the reported solubility data for experimental guidance.
Storage
Store powder at -20°C, keep desiccated.
In powder form, the chemical is stable for 36 months.
In solution, store at -20°C and use within 1 month to prevent loss of potency. Aliquot to avoid multiple freeze/thaw cycles.