2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene
2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene (CAS: 128055-74-3) is a highly brominated spiro compound with the empirical formula C25H12Br4 and a molecular weight of 631.98 g/mol. This material is primarily utilised for its luminescent properties, serving as a key component in the development of blue light emitting materials for organic light-emitting diodes (OLEDs). Tech Serve Solutions supplies this intermediate for advanced materials science and electronics applications.
- IUPAC
- 2,2′,7,7′-Tetrabromo-9,9′-spirobi[9H-fluorene]
- Synonyms
- 7′-Tetrabromo-9,9′-spirobifluoreneC25H12Br42,2′,7,7′-Tetrabromo-9,9′-spirobi[9H-fluorene]
Organic Light-Emitting Diodes (OLEDs)
Utilised as a blue light emitting material, contributing to the colour purity and efficiency of OLED displays and lighting. Its spirobifluorene core provides excellent thermal stability and morphological properties.
Materials Science Research
Serves as a versatile building block for synthesising novel organic electronic materials. Its functionalisable bromine atoms allow for further chemical modification to tune optoelectronic properties.
Organic Electronics
Investigated for use in various organic electronic devices due to its specific electronic and photophysical characteristics, including potential applications in organic field-effect transistors (OFETs).
| Molecular weight | 631.98 |
|---|---|
| Empirical formula | C25H12Br4 |
| Assay | ≥98% (HPLC) |
| Application | Blue light emitting material in Organic Light Emitting Diodes (OLEDs). 1 |
| Melting point | 395-400 °C |
Hazard statements
- H302Harmful if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| Safety statements (S) | 26 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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 2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene used for?
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This compound is primarily used as a blue light emitting material in Organic Light-Emitting Diodes (OLEDs) and as a building block in materials science for organic electronics.
What is the CAS number and molecular formula for 2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene?
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The CAS number is 128055-74-3 and the empirical formula is C25H12Br4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene with an assay of ≥98% (HPLC). We do not represent this product as USP, BP, or EP grade.
How should 2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene be handled?
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This compound is classified as harmful if swallowed and causes serious eye irritation. Handle with appropriate personal protective equipment, including gloves and eye protection. In case of contact with eyes, rinse cautiously with water for several minutes and seek medical advice. Ensure adequate ventilation.
Can I request a sample or quote for 2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene?
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Yes, you can request a sample or obtain a quote by contacting our sales team through the website or by calling us directly.
How is 2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene packed and shipped?
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2,2′,7,7′-Tetrabromo-9,9′-spirobifluorene is carefully packed according to industry standards to ensure safe transit and is available for global export.
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