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Azophloxine, also known as acid red 1 (AR 1), is a member of synthetic red azo dye family. Azo dye is an organic dye with good photo-thermal stability, dissolvability and easy preparation feature. In addition, it also has noticeable third order nonlinearity and good optical power limiting properties. It has been used as a real acid counterstain in light and fluorescence microscopy. Azophloxine also facilitates the determination of proteins and peptides. Azophloxine has been used as a dye in Von Kossa staining and nonlinear optical studies. It is also used in photocatalytic tests.
| Molecular Weight | 509.42 |
| Formula | C18H13N3Na2O8S2 |
| CAS Number | 3734-67-6 |
| Solubility (25°C) | Water |
| Storage | RT, protect from light, dry, sealed |
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