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E8886

Erythrosin extra bluish

Dye content, ≥80%, certified by the Biological Stain Commission, powder

Synonym(s):

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

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25 g

Estimated to ship onMay 29, 2026fromMILWAUKEE

$84.60

About This Item

Empirical Formula (Hill Notation):
C20H6I4Na2O5
CAS Number:
16423-68-0
Molecular Weight:
879.86
NACRES:
NA.47
PubChem Substance ID:
24894685
UNSPSC Code:
12171500
EC Number:
240-474-8
MDL number:
MFCD00144257
Beilstein/REAXYS Number:
1443945
Colour Index Number:
45430

$84.60

Estimated to ship onMay 29, 2026Details

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Product Name

Erythrosin extra bluish, certified by the BSC

agency

certified by the BSC

Quality Level

200

form

powder

composition

Dye content, ≥80%

pH

6.4 (30.3 °C)

mp

315 °C

solubility

water: 1 mg/mL, clear

density

0.625-0.731 g/cm3 at 30.1 °C

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

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 soluble in ethanol and water. It is a brown powder, with a pH range of 2.5 to 4. It is used in color filters, light emitting diodes, cosmetics and hair dyes. It has been used in many biological applications such as, detecting gene expression, treating age related macular degeneration, diabetes and obesity.

Application

Certified for use in the Jackson stain for plant anatomy; counterstain for alum hematoxylin; Kreyberg′s method for keratin and mucus.

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This Item
4569087613198269
Erythrosin extra bluish certified by the BSC

Sigma-Aldrich

E8886

Erythrosin extra bluish

Erythrosin extra bluish suitable for microscopy

Sigma-Aldrich

45690

Erythrosin extra bluish

Erythrosin B analytical standard

Supelco

87613

Erythrosin B

Erythrosin B certified by the BSC, Dye content ≥85 %

Sigma-Aldrich

198269

Erythrosin B

form

powder

form

solid

form

-

form

powder

solubility

water: 1 mg/mL, clear

solubility

-

solubility

-

solubility

H2O: 1 mg/mL, clear

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

application(s)

cleaning products
cosmetics
food and beverages
personal care

application(s)

diagnostic assay manufacturing
hematology
histology

composition

Dye content, ≥80%

composition

-

composition

-

composition

Dye content, ≥85%

Quality Level

200

Quality Level

100

Quality Level

100

Quality Level

200

storage temp.

room temp

storage temp.

-

storage temp.

-

storage temp.

room temp

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pictograms

Exclamation markEnvironment
GHS07,GHS09

signalword

Warning

hcodes

H302,H411

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

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Certificates of Analysis (COA)

Lot/Batch Number
SHBR6554
0000244685
0000244685
SHBQ3587
SHBN5588

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R W Sabnis.
Handbook of Biological Dyes and Stains: Synthesis and Industrial Applications, 544-544 (2010)
R W Sabnis.
Handbook of Acid-Base Indicators (2007)
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
View All Related Papers

Global Trade Item Number

SKUGTIN
E8886-25G04061833608890

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