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Description
A crystalline solid with color ranging from pale orange or pink to reddish-orange, yellow, red, or purple.
Maximum absorption wavelength (λmax): 517 nm (0.1 mol/L NaOH).
Soluble in alkaline aqueous solutions, acetone, and ethanol; slightly soluble in methanol and dimethyl sulfoxide (DMSO); insoluble in water, mineral oil, and toluene.
Melting point: 295–300°C.
Specification
| Grade | Indicator |
| Formula | C20H8O5Br4 |
| MW | 647.9 |
| CAS | 15086-94-9 |
| Appearance | Buff to Orange powder |
| Absortivity (1%/1cm at λ 517.4nm) | 1463 |
| Loss on drying | ≤1.0% |
| Water insoluble matter | ≤0.5% |
| Solubility (1% DI Water + Liq NH3) | Clear Bright Red Solution |
| Lambda Max | 21 nm in Water & 1 ml 1% sodium carbonate |
| Storage | R.T. Protect from moisture |
Application
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Used as a biological staining agent.
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Employed as an analytical reagent and adsorption indicator.
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Applied for fluoride ion detection and for the titrimetric analysis of bromide and iodide ions.
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Used in the preparation of Azur B-Eosin Y reserve solutions.
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Involved in chemical synthesis and acts as a photocatalyst.
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Used in material science and as an organic catalyst.
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Serves as a visible-light redox photocatalyst.
Documents
Disclaimer: For laboratory research use only.
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