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FLUORESCEIN
C.I.No.45350 Fluorescein is a fluorophore commonly used in microscopy, in a type of dye laser as the gain medium, in forensics and serology to detect
| Article No. | Grade | Purity | CAS No. | Molecular Formula | Molecular Weight | H.S. Code | Shelf Life |
|---|---|---|---|---|---|---|---|
| SC0731 | 95% | 7/5/2321 | C20H12O5 | 332.31 | 3204.9000 | 60 Months |
Packings
| 25 g,100 g,1000 g |
Physical Properties
| Physical state at 20 °C | Solid |
| Colour | Orange red powder |
| Odour | Odorless |
| Melting point/ Freezing point [°C] | 320 °C |
Specifications
| Appearance | Orange red brown or maroon powder |
| Assay (on anhydrous basis) | Min 95% |
| Solubility (in 1N NaOH) | 50 mg/ml |
| Molar absorptivity E(490+/-2nm) | Min 70000 |
| Molar absorptivity E(284+/-2nm) | Min 12000 |
| Molar absorptivity E(238+/-2nm) | Min 39000 |
| Loss on drying (at 105°C) | Max 5.0% |
| Melting point | About 315 °C |
Safety Information and Hazard Symbols
|
|
|---|---|
| Symbol | GHS07 |
| Signal Word | Warning |
| UN No. | |
| IMCO Class No. | |
| Packing Group | |
| Hazardous Statement | H319 |
| Precaution Statement | P305 + P351 + P338 |
| Risk Statement | |
| Safety Statement | |
Revision Date : 18-Apr-2014
Certificate of Analysis (COA's)
To download COA please enter the batch number below