GRADE & PURITYBiological Stain?Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters.Moligand™?Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.
Synonyms
tetrasodium 4-amino-6-[(E)-2-{4'-[(E)-2-(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazen-1-yl]-3,3'-dimethyl-[1,1'-biphenyl]-4-yl}diazen-1-yl]-5-hydroxynaphthalene-1,3-disulfonate | Evans blue, sodium salt | CI Direct Blue 53 | EINECS 206-242-5 | 6,6-
Biological Stain, Moligand™ Biological Stain,Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
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Storage & shipping
Room temperature,Desiccated Ships Normal Check lot-specific COA for exact specifications.
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Quality documents
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
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Literature proof
Cited in 130 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Specifications
Synonyms
tetrasodium 4-amino-6-[(E)-2-{4'-[(E)-2-(8-amino-1-hydroxy-5,7-disulfonaphthalen-2-yl)diazen-1-yl]-3,3'-dimethyl-[1,1'-biphenyl]-4-yl}diazen-1-yl]-5-hydroxynaphthalene-1,3-disulfonate | Evans blue, sodium salt | CI Direct Blue 53 | EINECS 206-242-5 | 6,6-
Specifications & Purity
Biological Stain, Moligand™
Biochemical and Physiological Mechanisms
Evans blue is a non-permeating dye. In presence of plasma membrane damage, the dye enters in the cytoplasm and nucleus, thereby staining them blue. Evans blue is used for checking cell viability. It is also used to study BBB (blood-brain barrier) permeabi
Storage
Room temperature,Desiccated
Shipped In
Normal
Grade
Biological Stain, Moligand™
Note
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour. Need more advice on solubility, usage and handling? Please visit our frequently asked questions (FAQ) page for more details.
This compound belongs to the class of organic compounds known as 3,3'-disubstituted benzidines. These are organic compounds containing a benzidine skeleton, which is substituted only at the 3- and 3'-positions.
External Descriptors
organic sodium salt
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
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Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.
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