Coumarin 343
ALDRICH/393029 - Dye content 97 %
CAS Number: 55804-65-4
Empirical Formula (Hill Notation): C16H15NO4
Molecular Weight: 285.29
EC Number: 259-824-6
MDL Number: MFCD00051335
Linear Formula: C16H15NO4
Product Type: Chemical
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 393029-100MG.
This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material. This image depicts SKU: 393029-500MG.
| ε (extinction coefficient) | ≥26000 at 441-445 nm in ethanol at 0.01 g/L |
| λmax | 443 nm |
| application(s) | diagnostic assay manufacturing hematology histology |
| composition | Dye content, 97% |
| form | powder |
| InChI | 1S/C16H15NO4/c18-15(19)12 |
| InChI key | KCDCNGXPPGQERR-UHFFFAOYSA |
| mp | 240 °C (lit.) |
| SMILES string | OC(=O)C1=Cc2cc3CCCN4CCCc( |
| storage temp. | room temp |
| Application: | Coumarin 343 has been used in many different applications that include solution dynamic probes, laser dyes, and organic sensitizers in dye-sensitized solar cells. It is suitable to study photo-induced charge injection into other metal oxides such as TiO2, ZrO2, and ZnO. |
| General description: | Coumarin 343 is a small hydrophilic dye. It is unable to penetrate the cell membrane by itself. Coumarin 343 is also known as coumarin 519. Depending on the pH of the medium, coumarin 343 exists in neutral and anionic forms. |
| Packaging: | 100, 500 mg in glass insert |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| mp | 240 °C (lit.) |
| Storage Temp. | room temp |
| UNSPSC | 12171500 |