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Trypan UltraBlue™, sodium salt
0.1 M aqueous solution
Trypan UltraBlue™ is similar to Trypan Blue in cell permeability. It is not permeable to live cells. Compared to Trypan Blue, Trypan UltraBlue is less toxic to cells, in particular, having minimal effect on cell surface receptors. Our Trypan UltraBlue™ sodium salt is highly purified. Our Trypan UltraBlue™ can also be used to prevent florescent dyes (such as FDA, rhodamine 123, JC-1, TMRE, TMRM, Indo-1 AM, Fura-2 AM, calcein AM, Fluo-3 AM, Fluo-4 AM, Quest Fluo-8™ AM and Rhod-4™ AM) from leaking out of cells. It might inhibit the activities of drug-efflux pumps since it contains a probenecid-like moiety as shown below. Compared to probenecid, it is neutral, highly soluble in water, and convenient to use. Its cellular mechanism is still under investigation. Our Trypan UltraBlue™ is highly purified, and can be used up to 0.5 mM with minimal cell cytotoxicity. Our recommended concentration is 0.25 mM.
<p>The structure of Trypan Red Plus&trade; (WSG = Water-Soluble Group; PLM = Probenecid-Like Moiety).</p>
<p>The structure of Trypan Red Plus&trade; (WSG = Water-Soluble Group; PLM = Probenecid-Like Moiety).</p>
CatalogSize
Price
Quantity
24551 mL
Price
 
Physical properties

Molecular weight~1000
SolventWater
Spectral properties

Absorbance (nm)609
Storage, safety and handling

H-phraseH303, H313, H333
Hazard symbolXN
Intended useResearch Use Only (RUO)
R-phraseR20, R21, R22
StorageRefrigerated (2-8 °C); Minimize light exposure
UNSPSC12352200
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Page updated on October 8, 2025