![Molecular structure of N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine (CAS 207739-72-8)](/images/chem_structures_svg/407/207739-72-8.svg)
N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine
Also known as: Spiro-MeOTAD, Spiro-OMeTAD, 2,2',7,7'-Tetrakis(N,N-di-p-methoxyphenylamino)-9,9'-spirobifluorene, 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenyl-amine)-9,9'-spirobifluorene, 9,9'-Spirobi[9H-fluorene]-2,2',7,7'-tetramine, N2,N2,N2',N2',N7,N7,N7',N7'-octakis(4-methoxyphenyl)-, N,N,N',N',N'',N'',N''',N'''-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetramine
N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine (CAS 207739-72-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C81H68N4O8 and a molecular weight of 1225.429 g/mol. Key properties include a melting point of 234-238°C and a density of 1.4±0.1 g/cm3. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 207739-72-8
- Jingsj CID
- J-1145558-6
- Molecular Formula
- C81H68N4O8
- Molecular Weight
- 1225.429 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 234-238°C |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Exact Mass | 1224.503662 |
| PSA | 86.80000 |
| LogP | 13.32 |
| Refractive Index | 1.744 |
| Storage Conditions | Refrigerator |
Customs & Trade Information
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine?
The CAS number of N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine is 207739-72-8.
What are the molecular formula and molecular weight of 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'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine has molecular formula C81H68N4O8 and molecular weight 1225.429 g/mol.
Which suppliers offer N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine?
1 supplier(s) listed; request a quote for pricing.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "N2,N2,N2',N2',N7,N7,N7',N7'-Octakis(4-methoxyphenyl)-9,9'-spirobi[fluorene]-2,2',7,7'-tetraamine (CAS 207739-72-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1145558-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.