IR-800
IR-800 (CAS: 18122-33-3) is a chemical compound with the molecular formula C37H43ClN4O4 and a molecular weight of 643.21 g/mol. It functions as an infrared dye and is employed in various advanced material science applications. This compound is notable for its absorption properties, with a maximum absorption wavelength (λmax) of 800 nm, making it suitable for specialized photonic and optical applications. Tech Serve Solutions supplies IR-800 with an assay of 97%.
- IUPAC
- Dimethyl{4-[1,5,5-tris(4-dimethylaminophenyl)-2,4-pentadienylidene]-2,5-cyclohexadien-1-ylidene}ammonium perchlorate

Infrared (IR) Dyes
IR-800 serves as a specialised dye that absorbs and emits light in the infrared spectrum. Its properties make it valuable for applications requiring detection or manipulation of IR radiation.
Laser Dyes
This compound can be utilised as a component in laser systems operating within specific wavelength ranges. Its spectral characteristics are suitable for certain laser applications.
Materials Science
In materials science, IR-800 can be incorporated into various matrices to impart specific optical or electronic properties. Its unique absorption profile is key to these uses.
Organic and Printed Electronics
The electronic and optical properties of IR-800 lend themselves to applications in organic electronics, including potential uses in sensors or optoelectronic devices.
Photonic and Optical Materials
IR-800 is a component in the development of advanced photonic and optical materials. It contributes to materials designed for light manipulation and interaction.
| Molecular weight | 643.21 |
|---|---|
| Empirical formula | C37H43ClN4O4 |
| Assay | 97% |
| Melting point | 232 °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 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Absorption | λmax 800 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 IR-800 used for?
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IR-800 is primarily used as an infrared (IR) dye, a laser dye, and in materials science, including organic and printed electronics, and photonic and optical materials. Its absorption maximum is at 800 nm.
What is the CAS number and molecular formula for IR-800?
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The CAS number for IR-800 is 18122-33-3, and its molecular formula is C37H43ClN4O4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies IR-800 with an assay of 97%. We do not represent this product as USP, EP, BP, or any other pharmacopoeia grade.
What are the safety and handling precautions for IR-800?
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IR-800 is a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Use with a dust mask type N95 (US), eyeshields, and gloves. Ensure good ventilation. Avoid breathing dust. If in eyes, rinse cautiously with water for several minutes.
How is IR-800 packaged and shipped?
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IR-800 is available for global export. Packaging is designed to maintain product integrity during transit. Specific packaging details can be provided upon request.
How can I request a sample or quote for IR-800?
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To request a sample or a quote for IR-800, please contact our sales team through the website or by phone. Our experts will assist you with your requirements.
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