2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene
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- $22 - $497
- Product name: 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene
- CAS: 189363-47-1
- MF: C73H52N4
- MW: 985.22
- EINECS:200-258-5
- MDL Number:MFCD11114061
- Synonyms:2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene;Spiro-TAD;Spiro-TAD , 2,2',7,7'-tetrakis(N,N-diphenylaMino)-9,9-spir;2,2',7,7'-Tetrakis-(N,N-diphenylamino)-spiro-9,9'-bifluorene;S-TAD;2,2',7,7'-Tetrakis(N,N -diphenylamino)-2,7-diamino-9,9-spirobifluorene;9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine,N2,N2,N2',N2',N7,N7,N7',N7'-octaphenyl-;N2,N2,N2′,N2′,N7,N7,N7′,N7′-octaphenyl-9,9′-spirobi[9H-fluorene]-2,2′,7,7′-tetramine
13 prices
Selected condition:
Brand
- AK Scientific
- Ambeed
- American Custom Chemicals Corporation
- Arctom
- Chemenu
- Crysdot
- Sigma-Aldrich
- TCI Chemical
Package
- 100mg
- 0.25G
- 250mg
- 1g
- 5g
- ManufacturerAK Scientific
- Product numberJ98453
- Product descriptionSpiro-TAD
- Packaging5g
- Price$497
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA760845
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging100mg
- Price$22
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA760845
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging250mg
- Price$33
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA760845
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging1g
- Price$72
- Updated2021-12-16
- Buy
- ManufacturerAmbeed
- Product numberA760845
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging5g
- Price$230
- Updated2021-12-16
- Buy
- ManufacturerAmerican Custom Chemicals Corporation
- Product numberFRL0000015
- Product description2,2',7,7'-TETRAKIS(N,N-DIPHENYLAMINO)-9,9'-SPIROBIFLUORENE 95.00%
- Packaging0.25G
- Price$351
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberAS036938
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging250mg
- Price$45
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberAS036938
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging1g
- Price$108
- Updated2021-12-16
- Buy
- ManufacturerArctom
- Product numberAS036938
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging5g
- Price$463
- Updated2021-12-16
- Buy
- ManufacturerChemenu
- Product numberCM139677
- Product descriptionN2,N2,N2'',N2'',N7,N7,N7'',N7''-octaphenyl-9,9''-spirobi[fluorene]-2,2'',7,7''-tetraamine 97%
- Packaging1g
- Price$391
- Updated2021-12-16
- Buy
- ManufacturerCrysdot
- Product numberCD43000600
- Product descriptionN2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97%
- Packaging1g
- Price$414
- Updated2021-12-16
- Buy
- ManufacturerSigma-Aldrich
- Product number765007
- Product description2,2′,7,7′-Tetrakis(N,N-diphenylamino)-9,9-spirobifluorene 99% (HPLC)
- Packaging1g
- Price$291
- Updated2023-06-20
- Buy
- ManufacturerTCI Chemical
- Product numberT3634
- Product description2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobi[9H-fluorene]
- Packaging1G
- Price$137
- Updated2025-07-31
- Buy
| Manufacturer | Product number | Product description | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|
| AK Scientific | J98453 | Spiro-TAD | 5g | $497 | 2021-12-16 | Buy |
| Ambeed | A760845 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 100mg | $22 | 2021-12-16 | Buy |
| Ambeed | A760845 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 250mg | $33 | 2021-12-16 | Buy |
| Ambeed | A760845 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 1g | $72 | 2021-12-16 | Buy |
| Ambeed | A760845 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 5g | $230 | 2021-12-16 | Buy |
| American Custom Chemicals Corporation | FRL0000015 | 2,2',7,7'-TETRAKIS(N,N-DIPHENYLAMINO)-9,9'-SPIROBIFLUORENE 95.00% | 0.25G | $351 | 2021-12-16 | Buy |
| Arctom | AS036938 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 250mg | $45 | 2021-12-16 | Buy |
| Arctom | AS036938 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 1g | $108 | 2021-12-16 | Buy |
| Arctom | AS036938 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 5g | $463 | 2021-12-16 | Buy |
| Chemenu | CM139677 | N2,N2,N2'',N2'',N7,N7,N7'',N7''-octaphenyl-9,9''-spirobi[fluorene]-2,2'',7,7''-tetraamine 97% | 1g | $391 | 2021-12-16 | Buy |
| Crysdot | CD43000600 | N2,N2,N2',N2',N7,N7,N7',N7'-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine 97% | 1g | $414 | 2021-12-16 | Buy |
| Sigma-Aldrich | 765007 | 2,2′,7,7′-Tetrakis(N,N-diphenylamino)-9,9-spirobifluorene 99% (HPLC) | 1g | $291 | 2023-06-20 | Buy |
| TCI Chemical | T3634 | 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobi[9H-fluorene] | 1G | $137 | 2025-07-31 | Buy |
Properties
Melting point :133℃
Density :1.34±0.1 g/cm3(Predicted)
pka :-2.56±0.20(Predicted)
form :powder
color :White to Light red to Green
λmax :378 μm in THF
InChIKey :MQRCTQVBZYBPQE-UHFFFAOYSA-N
Density :1.34±0.1 g/cm3(Predicted)
pka :-2.56±0.20(Predicted)
form :powder
color :White to Light red to Green
λmax :378 μm in THF
InChIKey :MQRCTQVBZYBPQE-UHFFFAOYSA-N
Safety Information
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| Signal word: | Danger | ||||||||||||||
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Description
Hole transport materials comprised of a spiro center between two charge transport material (CTM) moieties. This molecular conformation improves the thermal stability of the amorphous state, without significantly altering the charge-transport properties.More related product prices
N,N'-Diphenylbenzidine 9,9'-Spirobi[9H-fluorene] 2-Amino-9,9-dimethylfluoreneRelated product price
- N,N'-Diphenylbenzidine
$7-1180.13 - 189363-47-1
$22-497 - 9,9'-Spirobi[9H-fluorene]
$9-1103
Suppliers and manufacturers
April Scientific Inc.
Shanghai Daken Advanced Materials Co.,Ltd
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Richest Group Ltd
Zhengzhou Alfa Chemical Co.,Ltd
CD Chemical Group Limited
Suzhou Laing Biotechnology Co.,Ltd




