D149 Dye

CAS 786643-20-7C42H35N3O4S3Organic & Printed Electronics

D149 Dye (CAS: 786643-20-7), with the molecular formula C42H35N3O4S3 and a molecular weight of 741.94 g/mol, is a specialised organic compound. It is primarily utilised as a sensitiser in Dye-Sensitized Solar Cells (DSSCs) and in the broader field of organic photovoltaics. Its specific absorption characteristics make it a valuable material for research and development in advanced electronic applications and materials science.

IUPAC: 5-[[4-[4-(2,2-Diphenylethenyl)phenyl]-1,2,3-3a,4,8b-hexahydrocyclopent[b]indol-7-yl]methylene]-2-(3-ethyl-4-oxo-2-thioxo-5-thiazolidinylidene)-4-oxo-3-thiazolidineacetic acid,Indoline dye D149,Purple Dye
Synonyms: 5-[[4-[4-(2,2-Diphenylethenyl)phenyl]-1,2,3-3a,4,8b-hexahydrocyclopent[b]indol-7-yl]methylene]-2-(3-ethyl-4-oxo-2-thioxo-5-thiazolidinylidene)-4-oxo-3-thiazolidineacetic acid, Indoline dye D149, Purple Dye

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D149 Dye (C42H35N3O4S3) — chemical structure, CAS 786643-20-7; Materials Science, fine chemical supplied by Tech Serve Solutions

DyesMaterials Science

01 /Applications

Dye-Sensitized Solar Cells (DSSCs)

D149 Dye serves as a critical component in DSSCs, functioning as a photosensitiser to absorb light and initiate the photovoltaic process. It contributes to the overall efficiency and performance characteristics of the solar cell.

Organic Photovoltaic (OPV) Materials

This compound is employed in research and development of organic photovoltaic devices. Its unique electronic properties are investigated for potential applications in next-generation solar energy conversion technologies.

Materials Science Research

D149 Dye is utilised in materials science for the study and development of novel organic electronic materials. Its chemical structure and optical properties are of interest for exploring new functionalities.

Organic and Printed Electronics

The dye is relevant to the field of organic and printed electronics, where its semiconducting properties can be leveraged for various electronic components and devices that require solution-processable materials.

02 /Properties

Molecular weight	741.94
Empirical formula	C42H35N3O4S3
Assay	98% (HPLC)
Application	Open-circuit Voltage - Voc(mV) - 708.6Jsc(mA/cm2) = 14.05Fill factor − ff − 0.67Efficiency − η − 6.67Cell area: 0.25 cm2 (0.5 cm × 0.5 cm)TiO2 Thickness: 5 μmFTO glass: AGC Fabritec A11DU80TiO2: screen printing (Catalysts & Chemicals IND. Co., Ltd. PST−18NR/400C (4/1 mixture paste)Electrolyte; 0.1 M LiI; 0.05 M I2; 0.6 M Dimethylpropylimidazolium Iodide; 0.05 M t-Butylpyridine in 3-MethoxypropionitrileLight source: AM1.5 1sunCounter Electrode: Pt/Cr spatter glassDye adsorption: 30 °C/ in 3 hr. (t-BuOH/acetonitrile soln.)
Melting point	284-289 °C

03 /Identifiers & registry

CAS number

786643-20-7

04 /Additional specifications

Absorption	λmax 531 nm

05 /Quality & supply

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.

06 /Frequently asked questions

What is D149 Dye used for?

D149 Dye is primarily used as a sensitiser in Dye-Sensitized Solar Cells (DSSCs) and in the development of Organic Photovoltaic (OPV) materials, as well as in broader materials science and organic electronics research.

What are the CAS number and molecular formula for D149 Dye?

The CAS number for D149 Dye is 786643-20-7 and its empirical formula is C42H35N3O4S3.

What grade and purity does Tech Serve Solutions supply?

Tech Serve Solutions supplies D149 Dye with a purity of 98% as determined by HPLC. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.

What are the safety and handling precautions for D149 Dye?

D149 Dye is classified under WGK (German water hazard class) 3, indicating it is hazardous to water. Appropriate safety measures should be taken during handling and storage to prevent environmental release. Refer to the Safety Data Sheet (SDS) for comprehensive information.

How is D149 Dye packed and shipped?

D149 Dye is carefully packed to ensure its integrity during transit. Tech Serve Solutions exports fine chemicals globally, adhering to international shipping regulations.

How can I request a quote or sample of D149 Dye?

To request a quote or a sample of D149 Dye, please contact our sales team through the website or by calling us directly. Our team will assist you with your inquiry.