2-Bromo-9,9'-spirobi[9H-fluorene] is a brominated spirobifluorene compound used as an intermediate in organic electronics. Its rigid, aromatic structure and halogen substituent make it suitable for constructing advanced organic semiconductors and light-emitting materials.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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2-Bromo-9,9-diphenylfluorene
research compound
2,2',7,7'-Tetrabromo-9,9'-spirobifluorene
Organic semiconductor intermediate
4-(9H-Carbazol-9-yl)aniline
Organic electronics intermediate
Lithium bis(fluorosulfonyl)imide
Conductive agent for lithium batteries
Rel-4-methyl-4'-((1s,4r)-4-propylcyclohexyl)-1,1'-biphenyl
liquid crystal intermediate
2',3,4,5-Tetrafluoro-4'-(trans-4-propylcyclohexyl)biphenyl
liquid crystal intermediate
Butylmethylimidazolium tetrafluoroborate
Ionic liquid for electrochemistry
B-9,9'-Spirobi[9H-fluoren]-2'-yl-boronic acid
OLED intermediate
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Read moreThe international HS code for 2-Bromo-9,9'-spirobi[9H-fluorene] (CAS 171408-76-7) is 2903.99.
2903.99
2903 99 80
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
2-bromo-9,9'-spirobi[fluorene]
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C1=CC=C2C(=C1)C3=C(C24C5=CC=CC=C5C6=CC=CC=C46)C=C(C=C3)Br
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