4,4′-Bis(2-benzoxazolyl)stilbene
4,4′-Bis(2-benzoxazolyl)stilbene (CAS 1533-45-5) is a heterocyclic organic compound with the molecular formula C28H18N2O2. It is characterised by its stilbene core linked to two benzoxazole moieties, contributing to its optical properties. This compound primarily functions as an effective optical brightener for various plastic materials, enhancing their visual appeal by absorbing UV light and emitting blue fluorescence.
- Synonyms
- 4,4'-Bis(2-benzoxazolyl)stilbene1,2-Bis[(2-benzoxazolyl)vinyl]benzene2,2'-(1,2-Ethenediyl)bis[benzoxazole]
Optical Brightener for Plastics
4,4′-Bis(2-benzoxazolyl)stilbene is utilised as an optical brightening agent in the polymer industry. It effectively masks yellowing and enhances the whiteness and brightness of plastics by absorbing ultraviolet radiation and re-emitting it as visible blue light.
Fluorescent Agent
The inherent fluorescence of this compound makes it suitable for applications where a visual enhancement through light emission is desired. This can include use in certain inks, coatings, or specialty materials requiring fluorescent properties.
Chemical Synthesis Intermediate
As a complex heterocyclic molecule, 4,4′-Bis(2-benzoxazolyl)stilbene can serve as a building block or intermediate in the synthesis of more complex organic molecules and functional materials.
| Molecular weight | 414.45 |
|---|---|
| Empirical formula | C28H18N2O2 |
| Assay | 97% |
| Application | Optical brightener for plastics |
| Melting point | >300 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 372 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 4,4′-Bis(2-benzoxazolyl)stilbene used for?
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4,4′-Bis(2-benzoxazolyl)stilbene is primarily used as an optical brightener for plastics. It can also function as a fluorescent agent and a chemical synthesis intermediate.
What are the CAS number and molecular formula for 4,4′-Bis(2-benzoxazolyl)stilbene?
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The CAS number for 4,4′-Bis(2-benzoxazolyl)stilbene is 1533-45-5. Its molecular formula is C28H18N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 4,4′-Bis(2-benzoxazolyl)stilbene with an assay of 97%. This product is supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or any other pharmacopoeial grade.
What are the main hazards associated with 4,4′-Bis(2-benzoxazolyl)stilbene?
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4,4′-Bis(2-benzoxazolyl)stilbene is classified with the GHS symbol GHS07 and signal word Warning. It is associated with hazard statements H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used when handling.
How is 4,4′-Bis(2-benzoxazolyl)stilbene packed, shipped, and exported?
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4,4′-Bis(2-benzoxazolyl)stilbene is available in various packing sizes suitable for laboratory and industrial use. Tech Serve Solutions is experienced in exporting fine chemicals globally, adhering to all necessary regulations for safe and compliant shipment.
How can I request a sample or a quote for 4,4′-Bis(2-benzoxazolyl)stilbene?
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To request a sample or a quote, please visit the product page on the Tech Serve Solutions website and use the designated contact forms or contact our sales team directly.
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