4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane
- CAS NO.：1161009-89-7
- Empirical Formula: C31H27BO2
- Molecular Weight: 442.36
- MDL number: MFCD30187275
- Update Date: 2025-07-24 18:13:41
![4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane Structural](https://img.chemicalbook.in/CAS/20180703/GIF/1161009-89-7.gif)
What is 4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane?
The Uses of 4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane
4-(9,9''-Spirobifluorenyl)pinacolboronate acts as a reagent in the synthesis of new blue dual-core OIED emitters using Suzuki coupling reactions with (spirobifluorenyl)pinacolboronate or (borophenyl)carbazole.
Properties of 4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane
| Melting point: | 216.0 to 220.0 °C |
| Boiling point: | 585.6±29.0 °C(Predicted) |
| Density | 1.23±0.1 g/cm3(Predicted) |
| storage temp. | under inert gas (nitrogen or Argon) at 2-8°C |
| form | powder to crystal |
| color | White to Almost white |
Safety information for 4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,4,5,5-tetramethyl-2-(9,9'-spirobi[9H-fluoren]-4-yl)-1,3,2-Dioxaborolane
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![1,3,2-DIOXABOROLANE, 2,2'-(9,9-DIMETHYL-9H-FLUORENE-2,7-DIYL)BIS[4,4,5,5-TETRAMETHYL]](https://img.chemicalbook.in/CAS/GIF/325129-69-9.gif)
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