Fig. 1 · Structure
Documents & Downloads
Ethyl Orange (sodium), indicator grade
Indicator
Ethyl Orange (sodium) is an organic azo compound that functions as a pH indicator, exhibiting a color change from red to orange within the pH range of 3.0 to 4.8. This compound is widely utilized in analytical chemistry for monitoring acid-base transitions and determining the acidity of solutions. Its reliable performance makes it suitable for various laboratory applications, including titrations and biochemical assays.
In Stock
Free Aliquoting for Your Order
Tell us your preferred amount per vial. We’ll confirm the options.
Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 62758-12-7 |
| Applications | Indicator |
| Formula | C16H18N3NaO3S |
| Molecular Weight | 355.39 |
| SMILES | O=S(C1=CC=C(/N=N/C2=CC=C(N(CC)CC)C=C2)C=C1)(O[Na])=O |
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.