Sodium 5-[(4-nitrophenyl)azo]salicylate
≥98%
- Product Code: 234635
Alias:
Sodium salt of p-nitrobenzene azo salicylate
CAS:
1718-34-9
| Molecular Weight: | 309.21 g./mol | Molecular Formula: | C₁₃H₈N₃NaO₅ |
|---|---|---|---|
| EC Number: | MDL Number: | MFCD00067121 | |
| Melting Point: | 253-254 °C | Boiling Point: | 500.2 °C at 760 mmHg |
| Density: | Storage Condition: | Room temperature |
Product Description:
Used as a pH indicator in analytical chemistry, particularly in the detection of acidity or alkalinity in aqueous solutions. It exhibits a distinct color change around pH 6.0 to 7.6, shifting from yellow to blue, making it suitable for titration and environmental testing. Also employed in the preparation of indicator papers for rapid field testing. Its azo structure contributes to strong chromogenic properties, useful in spectrophotometric analysis. Limited use in biological staining due to solubility and stability characteristics.
Sizes / Availability / Pricing:
| Size | Availability | Price | Quantity |
|---|---|---|---|
| 5g | 10-20 days | $96.81 |
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Sodium 5-[(4-nitrophenyl)azo]salicylate
Used as a pH indicator in analytical chemistry, particularly in the detection of acidity or alkalinity in aqueous solutions. It exhibits a distinct color change around pH 6.0 to 7.6, shifting from yellow to blue, making it suitable for titration and environmental testing. Also employed in the preparation of indicator papers for rapid field testing. Its azo structure contributes to strong chromogenic properties, useful in spectrophotometric analysis. Limited use in biological staining due to solubility and stability characteristics.
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