2,2'-(2,5-Thiophenediyl)Bis-Benzoxazole(CAS 2866-43-5)
| Purity | Grade | Package | Stock | Price | Quantity |
| 98% | RG | 100G | In Stock | 133 USD
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| 98% | RG | 500G | In Stock | 404 USD
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| 98% | RG | 2.5KG | In Stock | 799 USD
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| Bulk Packaging | 125KG | substantially lower unit cost than small-pack SKUs. Contact us for a fast quotation. | |||
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Your region is eligible for ordering. Available NMR Spectrum
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Quality System
Applications of 2866-43-5
| Industry | Application | Process |
|---|---|---|
| Textile Industry | Enhancing fabric whiteness and brightness | Aqueous solution of Fluorescent Brightener 185 is added during dyeing or finishing; fabric is treated via padding or dip application to adsorb the brightener onto fiber surfaces, where it emits blue-violet fluorescence under UV excitation to counteract yellowish tones and improve perceived whiteness |
| Paper Industry | Improving paper appearance whiteness | Fluorescent Brightener 185 is introduced into the pulp slurry during late-stage bleaching or papermaking; it is uniformly dispersed via the wet-end addition system to enhance the paper’s visual whiteness and gloss under natural light |
| Plastics Industry | Whitening plastic products such as polyvinyl chloride (PVC) and polystyrene (PS) | Fluorescent Brightener 185 is blended with resin and other additives prior to plastic processing; it is uniformly dispersed throughout the material during thermal forming processes—including injection molding and extrusion—to improve product color appearance |
| Detergent Industry | Acting as a whitening agent in laundry detergents | Fluorescent Brightener 185 is incorporated into liquid or powder detergent formulations; it deposits onto fabrics during washing cycles, and repeated use helps maintain fabric brightness |
Physical and chemical properties of 2866-43-5
Acidity coefficient |
1.27±0.10(Predicted) |
|---|---|
Boiling Point |
466.4ºC at 760 mmHg |
Density |
1.385 |
Exact Mass |
318.04600 |
Flash Point |
235.9ºC |
Index of Refraction |
1.6000 (estimate) |
LogP |
5.36450 |
Melting Point |
216-220ºC |
Molecular Formula |
C18H10N2O2S |
Molecular Weight |
318.34900 |
PSA |
80.30000 |
Water Solubility |
9.551ug/L(25 ºC) |
Spectrums of 2866-43-5
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Retrosynthesis analysis of 2866-43-5
Cas:273-53-0
Cas:3141-27-3
Cas:625-88-7
Cas:4282-31-9
Cas:95-55-6
Q&A for CAS 2866-43-5
1. How can I verify product quality?
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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.
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Yes. We support customization of Lab Grade purity, packaging size, and special testing requirements. Share your needs and we’ll provide a tailored solution.
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Yes. Batch COA available matches the actual shipment. COAs shown online are for reference or from previous batches.
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Download COA of 2866-43-5
Operate under the ISO 9001 system
