ChemicalBook > CAS DataBase List > Spiro-MeOTAD

Spiro-MeOTAD

Product Name: Spiro-MeOTAD
CAS No.: 207739-72-8
Chemical Name: Spiro-MeOTAD
Synonyms: Spiro-OMeTAD;SPIRO-MEOTAD;spiro-omet;7-Tetrakis[N;9-spirobifluorene;Spiro-OMeTAD(99.9%);Spiro-OMeTAD (99.5%);Spiro-OMeTAD (99.8%);Spiro-MeOTAD 99% (HPLC);Spiro-OMeTAD (Spiro-MeOTAD)
CBNumber: CB42105729
Molecular Formula: C81H68N4O8
Formula Weight: 1225.43
MOL File: 207739-72-8.mol

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Spiro-MeOTAD Property

Melting point:: 234-238°C
Density: 1.35±0.1 g/cm3(Predicted)
storage temp.: Sealed in dry,Room Temperature
solubility: Chloroform (Slightly)
form: Solid
pka: -1.22±0.20(Predicted)
color: Tan to Pale Brown
λmax: 306 nm in dichloromethane
385 nm in dichloromethane
InChIKey: XDXWNHPWWKGTKO-UHFFFAOYSA-N

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Safety

Safety Statements: 24/25
WGK Germany: 3
HS Code: 29222990

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 792071
Product name: Spiro-MeOTAD
Purity: 99% (HPLC)
Packaging: 1g
Price: $357.08
Updated: 2025/07/31

Sigma-Aldrich

Product number: 792071
Product name: Spiro-MeOTAD
Purity: 99% (HPLC)
Packaging: 5g
Price: $1630
Updated: 2025/07/31

TCI Chemical

Product number: T3672
Product name: 2,2',7,7'-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9'-spirobifluorene
Packaging: 1G
Price: $182
Updated: 2025/07/31

TCI Chemical

Product number: T3672
Product name: 2,2',7,7'-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9'-spirobifluorene
Packaging: 5G
Price: $637
Updated: 2025/07/31

Cayman Chemical

Product number: 17317
Product name: Spiro-MeOTAD
Purity: ≥95%
Packaging: 1mg
Price: $28
Updated: 2024/03/01

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Spiro-MeOTAD Chemical Properties,Usage,Production

Description

Spiro-OMeTAD (Spiro-MeOTAD) is one of the most studied and suitable hole transport layer materials (HTL) due to its facile implementation and high performance in organic-inorganic electronic devices. The spiro-linked molecule provides high glass transition temperature (Tg), morphological stability and easy processability while maintaining good electronic properties. Spiro-MeOTAD has been widely used in solid-state dye-sensitised solar cells (ssDSSC), organic light-emitting dioes (OLED), perovskite solar cells (PSCs) and polymer based organic solar cells (OSCs).

Chemical Properties

2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene is Light Grey Solid

Uses

Spirobifluorene derivatives are suitable for use as charge-transfer materials, for photovoltaic cells, also as electroluminescent materials.

Uses

suzuki reaction

Uses

2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene is suitable for use as charge-transfer materials, especial for photovoltaic cells, and as electroluminescent materials.

General Description

SHT-263 Solarpur^? is an organic spiro molecule that is used as a hole transporting material (HTM). Its properties include high stability, good solubility, and an amorphous structure. It is majorly used in the fabrication of high-performance solar cells.

Synthesis

101-70-2

128055-74-3

207739-72-8

In a 50 mL two-necked flask under nitrogen protection, 4,4'-dimethoxydiphenylamine (2.00 g, 8.72 mmol), 2,2',7,7'-tetrabromo-9,9'-spirobifluorene (1.23 g, 1.94 mmol), sodium tert-butoxide (1.12 g, 11.6 mmol), tris(dibenzylideneacetone)dipalladium(0) (0.071 g, 0.078 mmol) and tri-tert-butylphosphine (0.025 g, 0.12 mmol). Subsequently, 15 mL of anhydrous toluene was added and the reaction mixture was stirred at 110 °C for 12 hours. After completion of the reaction, the mixture was cooled to room temperature, extracted with ethyl acetate, and the organic phase was washed with brine and dried with anhydrous magnesium sulfate. The product was purified by column chromatography (eluent: ethyl acetate/hexane=1/2), and removal of the solvent afforded 2,2',7,7'-tetrakis[N,N-bis(4-methoxyphenyl)amino]-9,9'-spirobifluorene as a beige solid in 45% yield (1.07 g).

Advantages

Spiro-MeOTAD has the advantages for: high carrier mobility, good stability in the REDOX process, a broad spectrum of light absorption performance, soluble in organic solvents and can be prepared into thin film.

References

[1] Journal of the American Chemical Society, 2014, vol. 136, # 22, p. 7837 - 7840
[2] Patent: KR2015/124397, 2015, A. Location in patent: Paragraph 0135-0137
[3] Patent: WO2015/49031, 2015, A1. Location in patent: Page/Page column 16
[4] Patent: CN107474090, 2017, A. Location in patent: Paragraph 0042-0045

Spiro-MeOTAD Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Spiro-MeOTAD manufacturers

Shaanxi Dideu New Materials Co. Ltd

Product: 2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene 207739-72-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98
Supply Ability: 10000KGS
Release date: 2025-11-07

Hebei Chuanghai Biotechnology Co., Ltd

Product: 2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene 207739-72-8
Price: US $10.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 100 mt
Release date: 2024-11-22

Henan Aochuang Chemical Co.,Ltd.

Product: 2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene 207739-72-8
Price: US $0.00-0.00/KG
Min. Order: 1KG
Purity: 98%
Supply Ability: 1ton
Release date: 2022-10-17

207739-72-8, Spiro-MeOTADRelated Search:

PEDOT:PSS NDI-N,S5211 PNDIT-F3N (6,6)-PHENYL C71 BUTYRIC ACID METHYL ESTER, 99% (MIXTURE OF ISOMERS) 4-(1',5'-Dihydro-1'-methyl-2'H-[5,6]fullereno-C60-Ih-[1,9-c]pyrrol-2'-yl)benzoic acid Anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetrone, 2,9-bis[3-[[3-(dimethylamino)propyl]amino]propyl]- 3,3'-(1,3,8,10-Tetraoxoanthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-2,9(1H,3H,8H,10H)-diyl)bis(N,N-dimethylpropan-1-amine oxide) PFQ-Br Poly[[2,7-bis(2-ethylhexyl)-1,2,3,6,7,8-hexahydro-1,3,6,8-tetraoxobenzo[lmn] [3,8]phenanthroline-4,9-diyl]-2,5-thiophenediyl[9,9-bis[3’((N,N-dimethyl)-N- ethylammonium)]propyl]-9H-fluorene-2,7-diyl]-2,5-thiophenediyl] NDI-N-Br,S5215 PFN‐Br PM172 (6,6)-PHENYL-C61 BUTYRIC ACID METHYL EST Poly[(9,9-bis(3￠-(N,N-diMethylaMino)propyl)-2,7-fluorene)-alt-2,7-(9,9-dioctylfluorene) Melatonine 2,2',7,7'-tetra[N,N-bis(4-hydroxyphenyl)amino]-9,9-spirobifluorene

2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene

2,2',7,7'-Tetrakis(N,N-p-dimethoxyphenylamino)-9,9'- spirobifluorene

Spiro-OMeTAD

9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetraMine,N2,N2,N2',N2',N7,N7,N7',N7'-octakis(4-Methoxyphenyl)-

spiro-omet

2,2',7,7'-tetrakis(N,N-di-p-MethoxyphenylaMino)-9,9'-spirobifluorene

SPIRO-MEOTAD

N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-Methoxyphenyl)-

2,2',7,7'-tetrakis(N,N-di-p-Methoxyphenyl-aMine)-9,9'-spirobifluorene

N2,N2,N2',N2',N7,N7,N7',N7'-octakis(4-Methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraaMine

N2,N2,N2',N2',N7,N7,N7',N7'-Octis(4-Methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraaMine

Spiro-OMeTAD (99.5%)

Spiro-OMeTAD (99.8%)

N2,N2,N2′,N2′,N7,N7,N7′,N7′-octakis(4-methoxyphenyl)-9,9′-spirobi[9H-fluorene]-2,2′,7,7′-tetramine

2,2',7,7'-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9'-spirobifluorene, 99.5%

2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluore

Spiro-MeOTAD 99% (HPLC)

2,2',7,7'-Tetrakis(N,N-di-p-methoxyphenylamine)-9,9'-spirobifluo

2,2',7,7'-tetrakis(N,N-di-p-MethoxyphenylaMino)-

2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluorene ISO 9001：2015 REACH

7-Tetrakis[N

9-spirobifluorene

N-di(4-methoxyphenyl)amino]-9

2,2’,7,7’-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9’-spirobifluorene, 99.8%

Spiro-OMeTAD (Spiro-MeOTAD)

2,2',7,7'-Tetrakis[N,N-di(4-methoxyphenyl)amino]-9,9'-spirobifluoren

2,2',7,7'-Tetrakis[N,N-bis(4- methoxyphenyl)amino]-9,9'- Spirobifluorene

2,2 ', 7,7' - tetra [N, N-di (4-methoxyphenyl) amino] -9,9 '- spirodifluorene

2,2',7,7'-Tetrakis(N,N -di-p -methoxyphenylamino)-9,9'-spirobifluorene

SHT-263 Solarpur<sup>?</sup>

SHT-263S Solarpur<sup>?</sup>

2,2',7,7'-Tetrakis-(N,N-di-4-methoxyphenylamino)-9,9'-spirobifluorene - Sublimed grade

Spiro-OMeTAD(99.9%)

207739-72-8

C81H68N4O8

Amines

Aromatics

Fluorescent Labels & Indicators

OLED