Aluminum 2,9,16,23-tetrakis(phenylthio)-29H,31H-phthalocyanine chloride
Aluminum 2,9,16,23-tetrakis(phenylthio)-29H,31H-phthalocyanine chloride (CAS: 155613-95-9) is a complex organic compound with the molecular formula C56H32AlClN8S4 and a molecular weight of 1007.60. This phthalocyanine derivative is recognized for its unique optical properties, particularly its strong absorption in the infrared region at a wavelength of 725 nm. It finds application as an infrared dye and in materials science, especially within organic and printed electronics, and photonic applications.
- Synonyms
- 23-tetrakis(phenylthio)-29H,31H-phthalocyanine chloride, C56H32AlClN8S4

Infrared (IR) Dyes
This compound functions effectively as an infrared dye due to its significant absorption in the IR spectrum, making it suitable for applications requiring specific light filtering or detection in this range.
Materials Science
Its specialised chemical structure lends itself to advanced materials science research and development, particularly in the creation of novel functional materials with specific optical or electronic properties.
Organic and Printed Electronics
The compound's characteristics make it a candidate for use in organic electronic devices, contributing to advancements in areas like organic photovoltaics or field-effect transistors.
Photonic and Optical Materials
Utilised in the development of photonic and optical materials, it can be employed in applications demanding precise control over light interaction and manipulation, such as sensors or optical filters.
| Molecular weight | 1007.60 |
|---|---|
| Empirical formula | C56H32AlClN8S4 |
| Composition | Dye content, 90% |
| Melting point | 210 °C (dec.)(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 725 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 Aluminum 2,9,16,23-tetrakis(phenylthio)-29H,31H-phthalocyanine chloride used for?
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Aluminum 2,9,16,23-tetrakis(phenylthio)-29H,31H-phthalocyanine chloride is primarily used as an infrared (IR) dye, in materials science, organic and printed electronics, and photonic and optical materials. Its strong absorption in the IR spectrum at 725 nm is a key characteristic for these applications.
What are the CAS number and molecular formula?
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The CAS number for this compound is 155613-95-9, and its empirical formula is C56H32AlClN8S4.
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%. This is a technical grade material and is not represented as USP, BP, EP, or any other pharmacopoeia standard.
How should this chemical be handled safely?
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This compound is classified as a Warning with hazards including skin irritation (H315), eye irritation (H319), and respiratory irritation (H335). Recommended personal protective equipment includes a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation and avoid inhalation of dust.
How is this chemical packed, shipped, and exported?
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Tech Serve Solutions, a specialist global supplier and exporter, ensures appropriate packaging for safe transit and export of this chemical, adhering to international shipping regulations.
How can I request a sample or quote?
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To request a sample or a quote for Aluminum 2,9,16,23-tetrakis(phenylthio)-29H,31H-phthalocyanine chloride, please contact our sales team through the website or via direct inquiry, providing your contact details and requirements.
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