Pacific Orange dye

Pacific Orange dye is a bright orange-fluorescent dye optimally excited by the 405 nm line of the violet laser and with excitation/emission at 400/551 nm. Conjugates of this dye are strongly fluorescent even at neutral pH.

Pacific Blue, Pacific Green and Pacific Orange dye conjugates can be simultaneously excited at 405 nm and emit at 455 nm, 500 nm and 551 nm, respectively, facilitating three-color analysis.

We offer Pacific Orange dye conjugated to a variety of primary antibodies, secondary antibodies and streptavidin. In addition, reactive and protein labeling kits are available so that you can produce your own antibody conjugates or probes.

Pacific Orange dye dashboard


Initial brightness

 
 
 
 
 
Pacific Orange dye is an orange fluorophore used primarily for flow cytometry, optimally excited by the 405 nm violet laser line.  
   

Photostability in buffer

 
 
 
 
 

Pacific Orange dye products

We offer a broad range of Pacific Orange dye products including labeling kits, labeled antibodies, bioconjugates and more:

See all Pacific Orange Primary Antibodies
See all Pacific Orange Secondary Antibodies

Pacific Orange™ dye

Fluorescence excitation and emission spectra of Pacific Orange dye.

Pacific Orange reactive dyes

Select dye-labeling chemistries for conjugation with the following reactive groups: 

Amine

Pacific Orange dye protein/antibody labeling kits

Select an optimized labeling kit for your target antibody or protein:

Target protein Kit Cat. No.
Site-specific antibody labeling
<1–20 µg mouse IgG1 Zenon Pacific Orange Mouse IgG1 Labeling Kit Z25256
Conventional antibody/protein labeling
100 µg antibody/protein Pacific Orange Antibody/Protein Labeling Kit P30014
1 mg antibody/protein Pacific Orange Antibody/Protein Labeling Kit P30016

Violet laser–compatible antibody conjugates

We offer Pacific Blue, Pacific Green and Pacific Orange dyes as well as Qdot probes for use with the violet laser. In addition to primary and secondary antibody conjugates of these dyes, we’ve developed kits for cell proliferation, immunophenotyping, dead cell discrimination, apoptosis, and cell cycle analysis—all aimed at helping you maximize the data you can get from your violet laser–equipped flow cytometer.

Learn more about Cell Health and Viability Assays for Flow Cytometry

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Excitation spectra (dotted lines) and emission spectra (solid lines) for Molecular Probes violet laser–excited Pacific Blue dye (blue), Pacific Green dye (green), and Pacific Orange dye (orange). The shaded area represents the emission bandpass filter (522/31) used for detection of the Pacific Green dye.

Not for resale. Super Bright Polymer Dyes are sold under license from Becton, Dickinson and Company.