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Merck

45690

Erythrosin extra bluish

suitable for microscopy

Synonym(s):

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

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About This Item

Empirical Formula (Hill Notation):
C20H6I4Na2O5
CAS Number:
Molecular Weight:
879.86
EC Number:
240-474-8
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
MDL number:
Beilstein/REAXYS Number:
1443945
Colour Index Number:
45430
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form

solid

Quality Level

technique(s)

titration: suitable

suitability

suitable for microscopy

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

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.


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pictograms

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Warning

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class

11 - Combustible Solids

wgk

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

hcodes



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Chueh-Pin Chen et al.
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
Laura Carmen Apostol et al.
Biodegradation, 23(5), 725-737 (2012-03-23)
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
Farah Maria Drumond Chequer et al.
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