Chemical Name: Pyranine
CAS: 6358-69-6
Molecular Fomula:C16H7Na3O10S3
Molecular Weight:524.39
Appearance: Yellow powder
Assay: 85%
PyranineTypical Properties
| InspectItem | Specification | Results |
| Appearance | Yellow powder | Yellow powder |
| Assay(HPLC) | ≥85% | 85.45% |
| SaltContent | 14-15% | 14.2% |
| Intensity | ≥120% | 122% |
| LossonDrying | ≤0.5% | 0.35% |
| Conclusion | MeetstheRequirements. | |
Pyranine Usage
It is used for fluorescent ink and mechanical testing development, printing ink, and color printing.
Solvent Green 7 is used as a fluorescent pH indicator with emission changes in the physiological pH range. It acts as a dye in optical sensor applications. It is used as a colorant and biological stain. It is also used to measure the pH of the intracellular fluid within cells.
Mainly used for coloring paints, plastic products, etc.
Pyranine Packaging
Bags, 1g,5g,1kg,25 kg
Pyranine Store
The product must be stored in a shaded, dry, and well-ventilated warehouse. Avoid contact with oxidizing chemicals and combustible organic substances. Keep it away from direct sunlight, heat, sparks, and open flames.
Biological activity
Pyranine (HPTS; Solvent Green 7) is a pH-sensitive fluorescent indicator. Pyranine is a class of fluorescent chemical sensors for Cu+ ions (λex=450 nm, λem=510 nm).