Fluorescein disodium salt (insoluble, 50-53% dye content) [518-47-8]
Order number: 15462696
Part number: AC100072410
![15462696 Fluorescein disodium salt (insoluble, 50-53% dye content) [518-47-8]](https://media.alliedchemi.com/full/15462696)
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Fluorescein Disodium Salt (Insoluble, 50-53% Dye Content) [518-47-8] is distinguished by its stable chemical profile, characterized by a molecular formula of C20H10Na2O5 and a molecular weight of 376.28. This compound exhibits a Melting Point range of 315.0 to 395.0 °C, where it decomposes. As per the provided data, the hazard signal word for this substance is Warning. This specific product offering features a purity of ≥80.0%, making it suitable for various applications. It is essential to handle this compound with appropriate safety measures, including the use of safety goggles and gloves, due to its potential reactivity.
- CAS Number: 518-47-8
- Molecular Formula: C20H10Na2O5
- Exact Mass: 376.03236198
- GHS Signal Word: Warning
- Vapour Density: 1.601
- Melting Point: 315.0 to 395.0 °C — decomposes
- Molecular Weight: 376.28
- Hazard Statements:
- H315: Causes skin irritation [Warning Skin corrosion/irritation]
| Name | Value | |
|---|---|---|
| CAS | : | 518-47-8 |
| Assay | : | ≥80.0% |
| Lead(Pb) | : | ≤ 10 mg/kg |
| Appearance | : | Red/ dark orange powder |
| Categories | : | Stains & Indicators |
| Arsenic (As) | : | ≤ 3 mg/kg |
| Cadmium (Cd) | : | ≤ 1 mg/kg |
| Heavy metals | : | ≤ 40 mg/kg |
| Mercury (Hg) | : | ≤ 1 mg/kg |
| Product Code | : | 15462696 |
| Product Name | : | Fluorescein disodium salt (insoluble, 50-53% dye content) |
| Loss on Drying | : | ≤ 8% |
| Storage Details | : | Ambient |
| Absorption Ratio | : | 1.20-1.70 ((λmax - 15 nm)/(λmax +15 nm)) |
| Molecular Weight | : | 376.28 |
| Molecular Formula | : | C20H10Na2O5 |
| Harmonised Tariff Code | : | 3212900000 |
| Wavelenght of max absorption | : | 488.0 - 492.0 nm (in distilled water) |
