TFAX 594, SE

Catalog # Availability Size / Price Qty
TFAX 594, SE | CAS No. 295348-87-7 | TFAX Dyes
1 Image
Description: Red fluorescent dye; amine reactive

Chemical Name: 6-[2-Carboxy-4(5)-[[(2,5-dioxo-1-pyrrolidinyl)oxy]carbonyl]phenyl]-1,2,10,11-tetrahydro-1,2,2,10,10,11-hexamethyl-4,8-bis(sulfomethyl)pyrano[3,2-g:5,6-g']diquinolin-13-ium inner salt

Product Details

Biological Activity

Amine reactive red fluorescent dye. Insensitive to pH in the range 4 - 10. Forms bright and photostable conjugates with proteins and antibodies. Suitable for use in flow cytometry, 2-photon excitation microscopy, and super resolution mircoscopy techniques, such as dSTORM. Excitation/emission maxima ~ 590 / 660 nm; extinction coefficient = 92,000 M-1cm-1; quantum yield = 0.66.

Optical Data for TFAX 594, SE

Emission Color Red
λabs 590 nm
λem 617 nm
Extinction Coefficient (ε) 92,000 M-1cm-1
Quantum Yield (φ) 0.66
Closest Laser line 594 nm
Reactive Group NHS ester
Reactivity Primary amines
Alternative For Alexa Fluor® 594, Texas Red®, Bodipy-TR

Alexa Fluor® is a registered trademark of Molecular Probes, Inc, a Thermo Fisher Scientific Company.

Plan Your Experiments

Use our spectra viewer to interactively plan your experiments, assessing multiplexing options. View the excitation and emission spectra for our fluorescent dye range and other commonly used dyes.

Spectral Viewer

Spectral Viewer

Technical Data

Soluble in DMSO
Store the unopened product at -20 to -70 °C. Use a manual defrost freezer and avoid repeated freeze-thaw cycles. Do not use past expiration date.

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.
Tocris products are intended for laboratory research use only, unless stated otherwise.

Background References

  1. Alexa dyes, a series of new fluorescent dyes that yield exceptionally bright, photostable conjugates.
    Panchuk?Voloshina et al.
    J.Histochem.Cytochem., 1999;47:1179

Product Datasheets

Reconstitution Calculator

Reconstitution Calculator

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.



No product specific FAQs exist for this product, however you may

View all Small Molecule FAQs

Reviews for TFAX 594, SE

There are currently no reviews for this product. Be the first to review TFAX 594, SE and earn rewards!

Have you used TFAX 594, SE?

Submit a review and receive an Amazon gift card.

$25/€18/£15/$25CAN/¥75 Yuan/¥1250 Yen for a review with an image

$10/€7/£6/$10 CAD/¥70 Yuan/¥1110 Yen for a review without an image

Submit a Review
Tocris Bioscience is the leading supplier of novel and exclusive tools for life science research with over 30 years' experience in the industry. Tocris is a Bio-Techne brand.