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DiB is a lipophilic cationically charged blue fluorescent dye.

Product Attributes

Cellular localization

Membrane/cell surface, Membrane/vesicular

For live or fixed cells

For fixed cells, For live/intact cells

Fixation options

Permeabilize before staining, Fix after staining (formaldehyde), Fix before staining (formaldehyde)




353/442 nm

Note: Due to operating restrictions related to our COVID-19 response, primary antibody conjugates of R-PE, APC, PerCP, HRP, or AP are temporarily unavailable. All other antibody options are still available. We apologize for the inconvenience. Please see our easy-to-use Mix-n-Stain™ Antibody Labeling Kits for labeling antibodies with R-PE, APC, tandem dyes, and enzymes.
Catalog #
10 mg
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Product Description

DiB is a lipophilic cationically charged blue fluorescent dye.

  • λExEm (MeOH) = 353/442 nm
  • Light yellow solid
  • Soluble in DMSO, DMF, or EtOH
  • MW: 1074

Note: For staining live or fixed cells, we recommend using CellBrite™ Blue Cytoplasmic Membrane Staining Kit (catalog #30024), which includes DiB solution and a cell loading buffer that is required for efficient cell staining.


1. PloS One (2012) doi:10.1371/journal.pone.0041434


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