Fig. 1 · Structure
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Methyl yellow
pH Indicator
Methyl yellow is a pH indicator that exhibits a color change from red to yellow as pH levels rise above 4.0. This compound is widely utilized in laboratory settings to monitor acidity and alkalinity in various aqueous solutions. Its distinct colorimetric response makes it an effective tool for analytical and educational applications in chemistry and biochemistry.
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Specifications
| Manufacturer | Adooq Bioscience |
|---|---|
| CAS Number | 60-11-7 |
| Applications | pH Indicator |
| Formula | C14H15N3 |
| Molecular Weight | 225.29 |
| Synonyms | Solvent Yellow 2; Dimethyl yellow |
| SMILES | CN(C)C1=CC=C(/N=N/C2=CC=CC=C2)C=C1 |
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.