Description
IR-813 p-Toluenesulfonate Specifications
| Property | Specification |
|---|---|
| Product name | IR-813 p-Toluenesulfonate (IR-813 Tosylate) |
| CAS number | 134127-48-3 |
| Molecular formula | C47H47ClN2O3S |
| Molecular weight | 755.41 g/mol |
| Purity (HPLC) | ≥98.0% |
| Absorption maximum (λmax) | 813–817 nm in methanol |
Applications
IR-813 is used in thermal computer-to-plate (CTP) imaging and near-infrared-sensitive photopolymer coatings. For a plate intended for 830 nm laser exposure, check the absorption of the finished coating at the laser wavelength and evaluate its response with the selected initiating system.
Packaging
Available pack sizes are 1 kg and 25 kg. Please specify the required quantity and request the current lot certificate of analysis when ordering.
Related Product
IR-775 near-infrared sensitizing dye has a typical absorption maximum of approximately 775 nm in acetonitrile.
Contact Us
For IR-813 pricing, sample availability or a certificate of analysis, please email info@changhongchemical.com or use our contact form. Please include your required quantity and application.




