PRODUCTS > Organic product
Fluorescein
| Product name: | Fluorescein |  |
| CAS NO.: | 2321-7-5 | |
| Molecular formula: | C20H12O5 |
|
| Molecular Weight: | 332.31 | |
| Properties: | Orange or red powder, solve in hot alcohol, acetic acid and lye, insolve in water. | |
| Specification (CI Solvent Yellow 94) | ||
| CAS NO.: | 2321-7-5 | |
| Molecular Formula: | C20H12O5 | |
| Molecular Mass | 332.31 | |
| Properties: | Orange or red powder, solve in hot alcohol, acetic acid and lye, insolve in water. | |
| Specification(HG/T 3494-1999) | ||
| Item Name: | Ind Grade | |
| Maximal absorption wavelength λ(PH8.0),nm | 490-493 | |
| Quality absorption coefficient λ(PH8.0),L/(cm•g) | ≥200 | |
| Solubility in alcohol | Passes test | |
| Sulfated ash,percent | ≤0.3 | |
| Loss on drying, percent | ≤5.0 | |
| Sensitivity test | Passes test | |