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45690

Sigma-Aldrich

Erythrosin extra bluish

for microscopy (Bact., Hist.), adsorption and fluorescent indicator

Sinónimos:

2′,4′,5′,7′-Tetraiodofluorescein disodium salt, Acid Red 51, Iodoeosin

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About This Item

Fórmula empírica (notación de Hill):
C20H6I4Na2O5
Número de CAS:
16423-68-0
Peso molecular:
879.86
Colour Index Number:
45430
Beilstein/REAXYS Number:
1443945
EC Number:
240-474-8
MDL number:
MFCD00144257
UNSPSC Code:
12171500
PubChem Substance ID:
329756903
NACRES:
NA.47

grade

adsorption and fluorescent indicator
for microscopy (Bact., Hist.)

Quality Level

100

form

solid

technique(s)

titration: suitable

SMILES string

[Na+].[Na+].[O-]c1c(I)cc2c(Oc3c(I)c([O-])c(I)cc3C24OC(=O)c5ccccc45)c1I

InChI

1S/C20H8I4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;/q;2*+1/p-2

InChI key

RAGZEDHHTPQLAI-UHFFFAOYSA-L

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General description

Erythrosin extra bluish is a brown color powder, that is soluble in ethanol and water. Its pH ranges from 2.5 to 4. It is used in color filters, light emitting diodes, cosmetics, hair dyes etc. It has several biological applications like detecting gene expression, treating age related macular degeneration, diabetes, obesity etc.

pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

359.6 °F - closed cup

flash_point_c

182 °C - closed cup

ppe

dust mask type N95 (US), Eyeshields, Gloves

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Certificados de análisis (COA)

Lot/Batch Number
BCCL3812
BCCH5535
BCCJ0693
BCCG2000
BCCD1099

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Biodegradation of a xanthene dyes was investigated for the first time using anaerobic granular sludge. On a first screening, biomass was able to decolorize, at different extents, six azo dye solutions: acid orange 7, direct black 19, direct blue 71
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Xanthenes form to an important class of dyes which are widely used. Most of them present three acid-base groups: two phenolic sites and one carboxylic site. Therefore, the pKa determination and the attribution of each group to the corresponding pKa
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Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 50(10), 3447-3451 (2012-08-01)
Erythrosine (ErB) is a xanthene and an US Food and Drug Administration approved dye used in foods, drugs and cosmetics. Although its utilization is permitted, ErB is described as inhibitor of enzymes and protein-protein interactions and is toxic to pituitary
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Photochemistry and photobiology, 88(3), 570-576 (2012-01-31)
The growing resistance to antibiotics has rendered antimicrobial photodynamic inactivation (PDI) an attractive alternative treatment modality for infectious diseases. Chitosan (CS) was shown to further potentiate the PDI effect of photosensitizers and was therefore used in this study to investigate
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