IR-1048
IR-1048 (CAS: 155613-98-2) is a sophisticated organic compound with the molecular formula C40H38BCl3F4N2. It is recognised for its distinct near-infrared absorption properties. This chemical functions as a specialised dye, finding utility in advanced material science and electronic applications. Its unique spectral characteristics make it valuable in fields requiring precise light absorption within the infrared spectrum.
- IUPAC
- 1-Butyl-2-[2-[3-[(1-butyl-6-chlorobenz[cd]indol-2(1H)-ylidene)ethylidene]-2-chloro-1-cyclohexen-1-yl]ethenyl]-6-chlorobenz[cd]indolium tetrafluoroborate

Infrared (IR) Dyes
IR-1048 serves as a functional dye with a characteristic absorption maximum at 1048 nm in ethanol. This makes it suitable for applications requiring specific near-infrared absorption.
Laser Dyes
The spectral properties of IR-1048 suggest potential applications in laser technology, particularly where emission or absorption in the near-infrared region is required.
Organic and Printed Electronics
This compound may be employed in the development of organic electronic devices, leveraging its unique optical and electronic characteristics for specialised functions.
Photonic and Optical Materials
IR-1048 is a candidate for use in advanced photonic and optical materials due to its significant absorption in the near-infrared spectrum, enabling specific light manipulation.
| Molecular weight | 739.91 |
|---|---|
| Empirical formula | C40H38BCl3F4N2 |
| Storage temperature | −20°C |
| Melting point | 230 °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 1048 nm in ethanol |
|---|
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 IR-1048 primarily used for?
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IR-1048 is primarily used as an infrared (IR) dye, a laser dye, and in applications related to materials science, organic and printed electronics, and photonic and optical materials.
What is the CAS number and molecular formula for IR-1048?
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The CAS number for IR-1048 is 155613-98-2, and its molecular formula is C40H38BCl3F4N2.
What grade and purity does Tech Serve Solutions supply for IR-1048?
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Tech Serve Solutions supplies IR-1048 primarily for research and development purposes. The exact grade and purity should be confirmed with our sales team, as TSS does not represent this product as USP, BP, or EP grade.
How should IR-1048 be handled and stored?
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IR-1048 is classified as an irritant (H315, H319, H335). Handle with appropriate personal protective equipment including a dust mask (type N95 or equivalent), eyeshields, and gloves. Store at -20°C as indicated by the product data. Avoid breathing dust and ensure adequate ventilation. If in eyes, rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
How is IR-1048 packed and exported?
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IR-1048 is carefully packed according to international shipping regulations for chemicals and is exported globally by Tech Serve Solutions to meet diverse research and industrial needs.
How can I request a sample or quote for IR-1048?
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To request a sample or a quote for IR-1048, please contact the Tech Serve Solutions sales department via our website or direct email, specifying your requirements.
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