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HS Code |
791960 |
| Product Name | Fluorescein Isothiocyanate (mixture of 5- and 6- isomers) |
| Synonyms | FITC |
| Cas Number | 3326-32-7 |
| Molecular Formula | C21H11NO5S |
| Molecular Weight | 389.39 g/mol |
| Appearance | Orange to red powder |
| Purity | Typically ≥90% |
| Solubility | Soluble in DMSO, DMF, and slightly soluble in water |
| Excitation Maximum | 494 nm |
| Emission Maximum | 518 nm |
| Storage Temperature | 2-8°C (protected from light) |
| Melting Point | 256-258°C (decomposes) |
| Hazard Statements | Irritant; harmful if swallowed or inhaled |
| Usage | Fluorescent labeling of biomolecules |
| Isomer Content | Mixture of 5- and 6-isomers |
As an accredited Fluorescein Isothiocyanate (mixture of 5- and 6- isomers) factory, we enforce strict quality protocols—every batch undergoes rigorous testing to ensure consistent efficacy and safety standards.
| Packing | Fluorescein Isothiocyanate (5- and 6-isomers mixture), 1g, supplied in an amber glass vial within a sealed Sigma-Aldrich labeled box. |
| Shipping | Fluorescein Isothiocyanate (mixture of 5- and 6- isomers) is shipped in tightly sealed, light-resistant containers to prevent degradation. It is typically transported at ambient temperature, but may require cool packs for long-distance or high-temperature transit. Standard chemical shipping regulations and proper labeling apply. Handle with appropriate personal protective equipment. |
| Storage | Fluorescein Isothiocyanate (mixture of 5- and 6-isomers) should be stored in a tightly sealed container, protected from light and moisture, at 2–8°C (refrigerated). Keep away from incompatible substances such as strong acids and bases. Store in a well-ventilated, dry environment. Avoid exposure to air and humidity to maintain the stability and activity of the reagent. |
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