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45690

Sigma-Aldrich

Erythrosin extra bluish

for microscopy (Bact., Hist.)

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:
16423-68-0
Molecular Weight:
879.86
Colour Index Number:
45430
Beilstein:
1443945
EC Number:
240-474-8
MDL number:
MFCD00144257
UNSPSC Code:
12171500
PubChem Substance ID:
329756903
NACRES:
NA.47

grade

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

Signal Word

Warning

Hazard Statements

H302 - H411

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Chronic 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

359.6 °F - closed cup

Flash Point(C)

182 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

JAN Code

45690-10G-F:4.548173994215E12
45690-50G-F:4.548173994222E12

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Certificates of Analysis (COA)

Lot/Batch Number
BCCG2000
BCCD1099
BCBZ9523
BCBX0718
BCBW6560

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We report the use of a simple complex assembled from Ni(II) salt and 2-mecaptoethanol in one step in water as the efficient catalyst in a molecular hydrogen system which can be sensitized by a low-cost xanthene dye, Erythrosin B. An
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International journal of oral science, 4(4), 196-201 (2012-12-12)
The purpose of our study was to evaluate the effect of photodynamic therapy (PDT), using erythrosine as a photosensitizing agent and a dental halogen curing unit as a light source, on Streptococcus mutans in a biofilm phase. The S. mutans
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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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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
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