Skip to Content
MilliporeSigma
All Photos(3)

Documents

200964

Sigma-Aldrich

Erythrosin B

Dye content ≥95 %

Synonym(s):

Solvent Red 140

Sign Into View Organizational & Contract Pricing
All Photos(3)

About This Item

Empirical Formula (Hill Notation):
C20H8I4O5
CAS Number:
15905-32-5
Molecular Weight:
835.89
Colour Index Number:
45430:2
EC Number:
240-046-0
MDL number:
MFCD00005044
UNSPSC Code:
12171500
PubChem Substance ID:
24851985

form

powder

Quality Level

100

composition

Dye content, ≥95%

color

orange to red-orange

mp

303 °C (dec.) (lit.)

solubility

1 M NH4OH: 1 mg/mL
1 M NH4OH: soluble 1 mg/mL, orange to red

ε (extinction coefficient)

≥102000 at 526-534 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)
≥13000 at 310-318 nm in 1 M NH4OH at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)
≥32000 at 258-266 nm at 0.005 g/L (95% Methanol 5% 0.1M Na2CO3)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Oc1c(I)cc2c(Oc3c(I)c(O)c(I)cc3C24OC(=O)c5ccccc45)c1I

InChI

1S/C20H8I4O5/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

InChI key

OALHHIHQOFIMEF-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Related Categories

Application

Erythrosin B has been used as a dye in fluorescence lifetime imaging.

Biochem/physiol Actions

Erythrosin B, also called as eosin B, is a xanthene dye. It belongs to the family of fluorescein dyes. It plays a major role in inhibiting dopamine uptake and high affinity 3H-ouabain binding and ion transport in synaptosomes from rat caudate nucleus.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Customers Also Viewed

Slide 1 of 6

1 of 6

Eosin B Dye content 95 %

Sigma-Aldrich

212954

Eosin B

Amaranth Dye content 85-95 %

Sigma-Aldrich

A1016

Amaranth

Rose bengal ≥96% (HPLC), Dye content 95 %

Sigma-Aldrich

330000

Rose bengal

Sunset Yellow FCF Dye content 90 %

Sigma-Aldrich

465224

Sunset Yellow FCF

Tartrazine Dye content ≥85 %

Sigma-Aldrich

T0388

Tartrazine

Rose Bengal lactone 95%

Sigma-Aldrich

328960

Rose Bengal lactone

Bright monomeric red fluorescent protein with an extended
fluorescence lifetime
Merzlyak EM
Nature Methods, 4, 555-557 (2007)
Erythrosin B inhibits dopamine transport in rat caudate synaptosomes.
Lafferman JA and Silbergeld EK
Science, 205, :410-:412 (1979)
Practical and reliable FRET/FLIM pair of fluorescent proteins.
Shcherbo D
BMC biotechnology, 2009-2009 null
Erythrosin B is a specific inhibitor of high affinity 3H-ouabain binding and ion transport in rat brain
Silbergeld E K
Neuropharmacology, 20, 87-90 (1981)
Zhen Cheng et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 201, 281-287 (2018-05-15)
Because of the serious harm to animals and the environment associated with perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA), a rapid, sensitive and low-cost method for detecting PFOS and PFOA is of great importance. In this paper, a novel sensing
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service