Styryl 7
Styryl 7 (CAS: 114720-33-1), with the empirical formula C28H30N2O3S2 and a molecular weight of 506.68 g/mol, is a key organic compound. It is recognised for its utility as a laser dye, contributing to advancements in photonic and optical materials. Its specific chemical structure and properties make it suitable for various specialised scientific and industrial applications within materials science and electronics.
- IUPAC
- 2-(4-[Dimethylaminophenyl]-1,3-butadienyl)-3-ethylbenzothiazolium p-toluenesulfonate salt,2-[4-[4-(Dimethylamino)phenyl]-1,3-butadienyl]-3-ethylbenzothiazolium p-toluenesulfonate
- Synonyms
- 2-(4-[Dimethylaminophenyl]-1,3-butadienyl)-3-ethylbenzothiazolium p-toluenesulfonate salt2-[4-[4-(Dimethylamino)phenyl]-1,3-butadienyl]-3-ethylbenzothiazolium p-toluenesulfonate

Laser Dye Applications
Styryl 7 is specifically formulated and verified for use as a laser dye. Its spectral properties, with an absorption maximum at 565 nm, enable efficient operation in specific laser systems. It is valuable in research and development for photonic and optical applications.
Materials Science Research
This compound finds application in materials science due to its organic electronic properties. It can be incorporated into advanced materials for studies in organic and printed electronics, contributing to the development of novel functional materials.
Organic Electronics
The molecular structure of Styryl 7 lends itself to applications within the field of organic and printed electronics. It is a research chemical suitable for investigating new electronic devices and material functionalities.
Photonic and Optical Materials
As a compound noted for its optical characteristics, Styryl 7 is employed in the development and study of photonic and optical materials. Its behaviour under specific light conditions makes it a subject of interest for optical technologies.
| Molecular weight | 506.68 |
|---|---|
| Empirical formula | C28H30N2O3S2 |
| Application | Suitable as a laser dye |
| Composition | Dye content, 95% |
| Melting point | 215 °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 565 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 Styryl 7 primarily used for?
+
Styryl 7 is primarily used as a laser dye and is suitable for applications in materials science, organic and printed electronics, and photonic and optical materials.
What are the CAS number and formula for Styryl 7?
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The CAS number for Styryl 7 is 114720-33-1, and its empirical formula is C28H30N2O3S2.
What grade and purity does Tech Serve Solutions supply for Styryl 7?
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Tech Serve Solutions supplies Styryl 7 with a dye content of 95%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
What are the main safety hazards associated with Styryl 7?
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Styryl 7 presents hazards including skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335). Appropriate personal protective equipment, such as a dust mask type N95, eyeshields, and gloves, should be used when handling this chemical.
How is Styryl 7 packed and shipped by TSS?
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Tech Serve Solutions packages and exports Styryl 7 adhering to all relevant regulations for safe transport. Specific packaging details are available upon request for your order.
How can I request a sample or a quote for Styryl 7?
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To request a sample or a quotation for Styryl 7, please contact our sales department through the provided contact channels on our website.
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