Bathocuproine
- CAS No.
- 4733-39-5
- Chemical Name:
- Bathocuproine
- Synonyms
- 2,9-DIMETHYL-4,7-DIPHENYL-1,10-PHENANTHROLINE;BATHOCUPROIN;RMA-422;BCP 157;BATHOCUPROINE;BLANC FIXE XR;BathocuproineGr;Bathocuproin BCP;EINECS 225-240-5;BATHOCUPROINE AR
- CBNumber:
- CB2299411
- Molecular Formula:
- C26H20N2
- Molecular Weight:
- 360.45
- MDL Number:
- MFCD00004972
- MOL File:
- 4733-39-5.mol
- MSDS File:
- SDS
- TDS File:
- TDS
| Melting point | 279-283 °C(lit.) |
|---|---|
| Boiling point | 482.47°C (rough estimate) |
| Density | 1.2408 (rough estimate) |
| refractive index | 1.7620 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Benzene (Slightly, Heated), DMSO (Slightly, Heated), Methanol (Slightly, Heated) |
| form | Powder |
| pka | 5.88±0.30(Predicted) |
| color | Yellow |
| Water Solubility | Soluble in methanol (36mg/100ml), ethanol, 2-propanol, bezene, and acetone. Partly miscible in water. |
| λmax | 277 nm |
| BRN | 306714 |
| InChI | InChI=1S/C26H20N2/c1-17-15-23(19-9-5-3-6-10-19)21-13-14-22-24(20-11-7-4-8-12-20)16-18(2)28-26(22)25(21)27-17/h3-16H,1-2H3 |
| InChIKey | STTGYIUESPWXOW-UHFFFAOYSA-N |
| SMILES | N1C2C(=CC=C3C=2N=C(C)C=C3C2=CC=CC=C2)C(C2=CC=CC=C2)=CC=1C |
| CAS DataBase Reference | 4733-39-5(CAS DataBase Reference) |
| FDA UNII | 9THP2V94FX |
| EPA Substance Registry System | 1,10-Phenanthroline, 2,9-dimethyl-4,7-diphenyl- (4733-39-5) |
| UNSPSC Code | 41106305 |
| NACRES | NA.23 |
SAFETY
Risk and Safety Statements
| Symbol(GHS) |  GHS07 |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Signal word | Warning | |||||||||
| Hazard statements | H413 | |||||||||
| Precautionary statements | P273 | |||||||||
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves | |||||||||
| Hazard Codes | Xn | |||||||||
| Risk Statements | 22-36/37/38-20/21/22 | |||||||||
| Safety Statements | 24/25-36-26-37/39 | |||||||||
| WGK Germany | 3 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 29339990 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazard Classifications | Acute Tox. 4 Oral Aquatic Chronic 4 |
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| NFPA 704 |
|
Bathocuproine price More Price(96)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 932663 | 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline ≥99% (HPLC) | 4733-39-5 | 1G | $224 | 2026-04-30 | Buy |
| Sigma-Aldrich | 140910 | Bathocuproine 96% | 4733-39-5 | 500mg | $88.4 | 2026-04-30 | Buy |
| Sigma-Aldrich | 140910 | Bathocuproine 96% | 4733-39-5 | 1g | $144 | 2026-04-30 | Buy |
| TCI Chemical | B2694 | Bathocuproine (purified by sublimation) >99.0%(HPLC)(T) | 4733-39-5 | 1g | $315 | 2026-04-30 | Buy |
| TCI Chemical | B2694 | Bathocuproine (purified by sublimation) >99.0%(HPLC)(T) | 4733-39-5 | 5g | $945 | 2026-04-30 | Buy |
Bathocuproine Chemical Properties, Uses, Production
Classification
Electron-transport layer materials, Electron-injection layer materials, Hole-blocking layer materials, OFET, OLED, Organic Photovoltaics, Perovskite solar cells, Sublimed materials.
Applications
2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline, also known as Bathocuproine (BCP), is a wide-band-gap material and has a high electron affinity. When it is embedded into organic electronic devices, bathocuproine acts as an exciton-blocking barrier which prohibits exciton diffusion process towards the Al electrode otherwise being quenched. One of the most commonly used buffer layer between acceptor and cathode layers is bathocuproine. The introduction of the buffer layer can greatly improve the PCE of polymer organic solar cells. BCP is one of the most popular hole-blocking layer materials that is used in organic electronics, including perovskite solar cells.
It was demonstrated that a BCP buffer layer reduces nonradiative recombination of excitons at the C60 –Al interface. Its most important function is to establish an Ohmic contact between the C60 film and the Al electrode in photovoltaic devices.
Description
Organic photovoltaic cells (OPVCs) are considered to be promising devices because of their mechanical flexibility, ease of fabrication and potential for low-cost production. For small-molecule OPVCs the most-common material to use between the acceptor, here C60, and the top electrode, Al, is 2,9-dimethyl-4,7-diphenyl-1,10-phenanthroline, also known as bathocuproine. Indeed, the insertion of BCP results in an enhanced power-conversion efficiency (PCE). The improved power-conversion efficiency has been attributed to an increased exciton harvesting in the active layer. As BCP is a wide-band-gap material it acts as an exciton-blocking barrier (EBL) that prohibits excitons diffusing towards the Al electrode where they would otherwise be quenched.
Chemical Properties
Yellow powder
Uses
Bathocuproine is used as a reagent for the determination of copper. It acts as an exciton blocking barrier which prohibits excitons diffusion process towards the Al electrode otherwise being quenched. It is the most commonly used buffer layer between acceptor and cathode layer.
Uses
Bathocuproine can be used as an electron-modifying layer or as an interlayer between ETLs (electron transport layers) in calcite solar cells, and it can be prepared by spin-coating deposition or vacuum thermal evaporation. The addition of Bathocuproine enhances the energy conversion efficiency of organic photovoltaic cells.
General Description
TGA/DSC Lot specific scans available upon request
Purification Methods
Purify it by recrystallisation from *benzene. [Smith & Wilkins Anal Chem 25 510 1953, Beilstein 23 III/IV 2160.]
References
[1] Mao, Lingling et al. “Role of Organic Counterion in Lead- and Tin-Based Two-Dimensional Semiconducting Iodide Perovskites and Application in Planar Solar Cells.” Chemistry of Materials 28 (2016): 7781–7792.
Bathocuproine Preparation Products And Raw materials
Raw materials
Preparation Products
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Tianjin Derchemist Science & Technology Co., Ltd. | 22-58627059 13920586291 | zdcomcon@126.com | China | 4094 | 50 |
| Shanghai UCHEM Inc. | 18939844854 | sales6@myuchem.com | China | 4982 | 58 |
| Shanghai Future Optoetech Co. Ltd | 19299290913 | sales@futureoled.com | China | 20 | 58 |
| Xi'an Yuri Solar Co., Ltd | 029-81101199 +86-15702951000; | info@yurisolar.com | China | 100 | 55 |
| J & K SCIENTIFIC LTD. | 18210857532 18210857532 | jkinfo@jkchemical.com | China | 96815 | 76 |
| Meryer (Shanghai) Chemical Technology Co., Ltd. | 4006356688 18621169109 | market03@meryer.com | China | 40202 | 62 |
| INTATRADE GmbH | +49 3493/605464 | sales@intatrade.de | Germany | 3563 | 66 |
| 3B Pharmachem (Wuhan) International Co.,Ltd. | 18930552037 | 3bsc@sina.com | China | 15813 | 69 |
| Alfa Aesar | 400-6106006 | saleschina@alfa-asia.com | China | 30103 | 84 |
| TCI (Shanghai) Development Co., Ltd. | 021-67121386 | Sales-CN@TCIchemicals.com | China | 24512 | 81 |
View Latest Price from Bathocuproine manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-09-16 | 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline
4733-39-5
|
$31.00-497.00 | 5g | 0.98 | 10kg | Shanghai UCHEM Inc. | |
 |
2026-09-02 | Bathocuproine
4733-39-5
|
$1.00-188.00 | 1KG | 99%, 99.5% Sublimated | Henan Fengda Chemical Co., Ltd | ||
 |
2026-08-07 | 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline
4733-39-5
|
$1.00-22.00 | 1KG | 99% | 100000KG | Shaanxi Dideu Medichem Co. Ltd |
-
- 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline
4733-39-5
- $31.00-497.00
- 0.98
- Shanghai UCHEM Inc.
-
- Bathocuproine
4733-39-5
- $1.00-188.00
- 99%, 99.5% Sublimated
- Henan Fengda Chemical Co., Ltd
-
- 2,9-Dimethyl-4,7-diphenyl-1,10-phenanthroline
4733-39-5
- $1.00-22.00
- 99%
- Shaanxi Dideu Medichem Co. Ltd
