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Merck

E2129

Evans Blue

Dye content ≥75 %, Powder

Synonyme(s) :

Direct Blue 53

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A propos de cet article

Formule empirique (notation de Hill) :
C34H24N6Na4O14S4
Numéro CAS:
314-13-6
Poids moléculaire :
960.81
NACRES:
NA.47
PubChem Substance ID:
24894456
UNSPSC Code:
12171500
EC Number:
206-242-5
MDL number:
MFCD00004021
Colour Index Number:
23860

Principaux documents

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Nom du produit

Evans Blue, Dye content ≥75 %

form

powder

Quality Level

200

composition

Dye content, ≥75%

technique(s)

titration: suitable

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].[Na+].[Na+].[Na+].Cc1cc(ccc1\N=N\c2ccc3c(cc(c(N)c3c2O)S([O-])(=O)=O)S([O-])(=O)=O)-c4ccc(\N=N\c5ccc6c(cc(c(N)c6c5O)S([O-])(=O)=O)S([O-])(=O)=O)c(C)c4

InChI

1S/C34H28N6O14S4.4Na/c1-15-11-17(3-7-21(15)37-39-23-9-5-19-25(55(43,44)45)13-27(57(49,50)51)31(35)29(19)33(23)41)18-4-8-22(16(2)12-18)38-40-24-10-6-20-26(56(46,47)48)14-28(58(52,53)54)32(36)30(20)34(24)42;;;;/h3-14,41-42H,35-36H2,1-2H3,(H,43,44,45)(H,46,47,48)(H,49,50,51)(H,52,53,54);;;;/q;4*+1/p-4/b39-37+,40-38+;;;;

InChI key

ATNOAWAQFYGAOY-GPTZEZBUSA-J

Gene Information

human ... PTPN1(5770), PTPRF(5792)

Catégories apparentées

General description

Evans blue (EB) C.I. 23860 is a synthetic bis-azo dye also known as T-1824 and Direct Blue 53. EB dye with higher water solubility has a strong affinity towards serum albumin, making it a high molecular weight protein tracer.

Application

Evans blue is a well-known vital stain with applications in histology and fluorescent microscopy. Evans blue has been used to check cell viability and study blood-brain barrier (BBB) permeability. Additional applications include the demonstration of specific pituitary cell types, selective staining of neutrophil plasma membranes, and fluorescence microscopy as a quenching agent to suppress unwanted autofluorescence.

Biochem/physiol Actions

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) permeability. The dye binds to albumin and hence indicates BBB breakdown to protein.

pictograms

Health hazard
GHS08

signalword

Danger

hcodes

H350

Hazard Classifications

Carc. 1B

Classe de stockage

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificats d'analyse (COA)

Lot/Batch Number
SHBT1317
SHBR6277
SHBQ4846
SHBP1253
SHBP6688

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Consulter la Bibliothèque de documents

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Plant, Cell and Environment, 22, 1019-1026 (1999)
Pilhan Kim et al.
Nature methods, 7(4), 303-305 (2010-03-17)
In vivo imaging of small animals offers several possibilities for studying normal and disease biology, but visualizing organs with single-cell resolution is challenging. We describe rotational side-view confocal endomicroscopy, which enables cellular imaging of gastrointestinal and respiratory tracts in mice
Yulian Zhou et al.
The Journal of clinical investigation, 124(9), 3825-3846 (2014-08-02)
Canonical WNT signaling is required for proper vascularization of the CNS during embryonic development. Here, we used mice with targeted mutations in genes encoding canonical WNT pathway members to evaluate the exact contribution of these components in CNS vascular development
Theodora Agalioti et al.
Nature communications, 8, 15205-15205 (2017-05-17)
Malignant pleural effusion (MPE) is the lethal consequence of various human cancers metastatic to the pleural cavity. However, the mechanisms responsible for the development of MPE are still obscure. Here we show that mutant KRAS is important for MPE induction
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