Silicon 2,3-naphthalocyanine dichloride
Silicon 2,3-naphthalocyanine dichloride (CAS: 92396-91-3) is an advanced organic compound with the molecular formula C48H24Cl2N8Si and a molecular weight of 811.75 g/mol. This phthalocyanine derivative is recognised for its strong absorption in the infrared region, with a characteristic λmax of 780 nm. It serves as a key material in applications involving light absorption and emission, particularly within the fields of organic electronics and photonic materials.
- IUPAC
- 2,3-Naphthalocyaninato-dichlorosilane,Dichloro-2,3-naphthalocyaninatosilane
- Synonyms
- 2,3-Naphthalocyaninato-dichlorosilaneDichloro-2,3-naphthalocyaninatosilane

Infrared (IR) Dyes
Silicon 2,3-naphthalocyanine dichloride functions as an efficient absorber in the near-infrared spectrum. Its properties make it suitable for applications requiring specific light attenuation or energy conversion in this wavelength range.
Organic and Printed Electronics
This compound is utilised in the development of organic electronic devices. Its semiconducting properties and distinct absorption characteristics are valuable for components in areas like organic photovoltaics and sensors.
Photonic and Optical Materials
The optical characteristics of Silicon 2,3-naphthalocyanine dichloride lend themselves to advanced photonic applications. It can be incorporated into materials designed for optical switching, non-linear optics, and laser technologies.
Materials Science Research
As a specialised naphthalocyanine, this chemical is employed in materials science for research into novel functional materials. Its structured macrocycle and central silicon atom offer unique properties for material design and modification.
| Molecular weight | 811.75 |
|---|---|
| Empirical formula | C48H24Cl2N8Si |
| Composition | Dye content, 85% |

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 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 780 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 Silicon 2,3-naphthalocyanine dichloride used for?
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Silicon 2,3-naphthalocyanine dichloride is primarily used as an infrared (IR) dye, in organic and printed electronics, and as a component in photonic and optical materials. It is also utilised in materials science research.
What is the CAS number and molecular formula?
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The CAS number for Silicon 2,3-naphthalocyanine dichloride is 92396-91-3, and its molecular formula is C48H24Cl2N8Si.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Silicon 2,3-naphthalocyanine dichloride with a minimum dye content of 85%. We do not represent this product as USP, BP, or EP grade.
How should Silicon 2,3-naphthalocyanine dichloride be handled?
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Handle with care. This compound may cause skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Wear appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation.
How is this chemical shipped and exported?
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Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, ensuring compliant packaging and documentation for international shipments.
How can I request a quote or sample?
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To request a quote or sample of Silicon 2,3-naphthalocyanine dichloride, please contact our sales department through the website or designated contact channels.
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