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200964

Sigma-Aldrich

Erythrosin B

Dye content ≥95 %

Synonym(s):
Solvent Red 140
Empirical Formula (Hill Notation):
C20H8I4O5
CAS Number:
Molecular Weight:
835.89
Colour Index Number:
45430:2
EC Number:
MDL number:
PubChem Substance ID:

form

powder

Quality Level

composition

Dye content, ≥95%

mp

303 °C (dec.) (lit.)

solubility

1 M NH4OH: 1 mg/mL
spirit: soluble

λmax

533 nm

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

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Application

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

Packaging

5, 25 g in glass bottle

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 Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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