Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene
Price: Check
Purity: 99.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene
Price: ￥818.0/1g ￥2578.0/5g
Purity: 98.0%
Stocking Period: 3 Day
Contact: Liu jia
Email: 2130147988@qq.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 406104890@qq.com

189363-47-1

189363-47-1 structure

189363-47-1 structure

Name: 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene
Chemical Name: N,N,N',N',N'',N'',N''',N'''-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetramine
CAS Number: 189363-47-1
Molecular Formula: C₇₃H₅₂N₄
Molecular Weight: 985.221
Create Date: 2017-04-10 08:06:49
Modify Date: 2025-08-26 21:18:42

Name	N,N,N',N',N'',N'',N''',N'''-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetramine
Synonyms	2,2',7,7'-Tetrakis(N,N-diphenylamino)-9,9-spirobifluorene 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine,N2,N2,N2',N2',N7,N7,N7',N7'-octaphenyl 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine, N,N,N,N,N,N,N,N-octaphenyl- 2,2',7,7'-Tetrakis-(N,N-diphenylamino)-spiro-9,9'-bifluorene 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine,N,N,N',N',N'',N'',N''',N'''-octaphenyl-(9CI) S-TAD N,N,N',N',N'',N'',N''',N'''-Octaphenyl-9,9'-spirobi[fluorene]-2,2',7,7'-tetramine 2,2',7,7'-Tetrakis(diphenylamino)-9,9'-spirobifluorene Spiro-TAD

Density	1.3±0.1 g/cm3
Melting Point	133 ºC
Molecular Formula	C₇₃H₅₂N₄
Molecular Weight	985.221
Exact Mass	984.419189
PSA	12.96000
LogP	20.58
Index of Refraction	1.804
Water Solubility	Insuluble (1.7E-12 g/L) (25 ºC)

RIDADR	NONH for all modes of transport

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