1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt)
1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt), identified by CAS number 43134-09-4 and molecular formula C20H20N2O2, is a squarylium dye. This compound functions as a sensitizer, particularly relevant in materials science and organic electronics. Its primary applications lie in the development of dye-sensitized solar cells (DSSCs) and organic photovoltaics (OPVs) due to its absorptive properties.
- IUPAC
- Squarylium dye III
- Synonyms
- bis(inner salt)43134-09-4Squarylium dye III
![1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt) (C20H20N2O2) — chemical structure, CAS 43134-09-4; Life Science, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F43134-09-4.png&w=3840&q=75)
Dye-Sensitized Solar Cell (DSSC) Materials
This squarylium dye is utilised as a sensitizer in the fabrication of dye-sensitized solar cells. Its absorption spectrum at λmax 625 nm makes it suitable for capturing light energy within these photovoltaic devices.
Organic Photovoltaic (OPV) Materials
The compound finds application in organic and printed electronics, specifically within organic photovoltaic devices. It contributes to light absorption and charge transfer processes essential for OPV function.
Biological Staining
Categorised under cell biology and histology, this dye may be employed as a stain in biological research for visualisation purposes. Its chromophoric properties are relevant for microscopic analysis.
| Molecular weight | 320.39 |
|---|---|
| Empirical formula | C20H20N2O2 |
| Composition | Dye content, 90% |
| Melting point | >300 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 625 nm |
|---|
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt) used for?
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This compound, a squarylium dye, is primarily used as a sensitizer in Dye-Sensitized Solar Cells (DSSCs) and Organic Photovoltaics (OPVs). It also has applications in cell biology and histology as a potential staining agent.
What is the CAS number and formula for this chemical?
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The CAS number for 1,3-Bis[4-(dimethylamino)phenyl]-2,4-dihydroxycyclobutenediylium dihydroxide, bis(inner salt) is 43134-09-4. Its empirical formula is C20H20N2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this product with a dye content of 90%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should this chemical be handled safely?
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This compound is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment including a dust mask (type N95 US), eyeshields, and gloves in a well-ventilated area. Avoid breathing dust.
Is this chemical available for export from Tech Serve Solutions?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents, and can fulfil export orders for this product.
How can I request a sample or quote?
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To request a sample or a quotation, please contact our sales team through the website or by phone, providing the product name and CAS number (43134-09-4).
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