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Rose Bengal

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Erythrosin B (Blue)

Erythrosin B is readily water soluble and can be excited from 470-530 nm, with a fluorescence emission centered at 550 nn and a quantum yield of 0.63 in water. Erythrosin B is an efficient producer of singlet oxygen.

Sales price: $49.99


Erythrosin B is a well-known efficient producer of singlet oxygen with an intense absorption band from 470-530 nm, with an emission band centered at 550 nm.

Erythrosin B is sold dry and is simply reconstituted by adding 50 µL of either water/MeOH/EtOH and/or buffer.  One vial of our sensitizer will typically allow for 10 measurements to be undertaken, when 5 µL from the 50 µL is further diluted into 3 cm3 volumes within a cuvette, the OD at 530 nm is typically > 0.1. All our sensitizer probes are supplied with a detailed data sheet pertaining to its reconstitution and use.

An Ursa BioScience short video describes our reconstitution procedure.

Read more about Ursa BioScience's Singlet Oxygen Photosensitizers in our technology section

MSDS Erythrosin B

material safety data sheets