TFAX 568, SE, an amine reactive orange fluorescent dye, is insensitive to pH in the range 4-10. TFAX 568, SE forms bright and photostable conjugates with proteins and antibodies. TFAX 568, SE is suitable for use in flow cytometry, 2-photon excitation microscopy, and super resolution mircoscopy techniques, such as dSTORM. Excitation maximum=578 nm; emission maximum=602 nm; quantum yield=0.69; extinction coefficient=60720 M-1cm-1.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.