Description
Parameter | DetailsC13H12N4S |
---|---|
Chemical Name | 1-Naphthol Benzein |
CAS Number | 145-50-6 |
Chemical Formula | C27H18O2 |
Molecular Weight | 374.43 g/mol |
Appearance | Orange to reddish crystalline powder |
Solubility | Soluble in organic solvents like ethanol and acetone; slightly soluble in water |
Melting Point | 180–185 °C |
Boiling Point | Decomposes before boiling |
Most Common Uses :
- Used as a pH indicator in analytical chemistry.
- Commonly employed in acid-base titrations.
- Applied in industrial dye formulations and colorimetric analysis.
Storage Reccomendation :
- Store in a tightly closed container, in a cool, dry, and well-ventilated area. Protect from light and moisture.
Hazards :
- May cause skin and eye irritation.
- Harmful if ingested or inhaled.
- Handle with protective gloves and safety goggles.
Other Information :
-
- Changes color depending on pH, making it useful for laboratory titrations.
- Structurally similar to phenolphthalein, another widely used pH indicator.