Eosin Y disodium salt Dye content ≥85 %

Sinônimo(s):

2′,4′,5′,7′-Tetrabromofluorescein disodium salt, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, D&C;Red No. 22, Eosin yellowish

Empirical Formula (Hill Notation):

C₂₀H₆Br₄Na₂O₅

Número CAS:

17372-87-1

Peso molecular:

691.85

Número do índice de cores:

45380

Beilstein:

3586809

Número EC:

241-409-6

Número MDL:

MFCD00005040

ID de substância PubChem:

24894349

NACRES:

NA.47

forma

powder

Nível de qualidade

200

composição

Dye content, ≥85%

solubilidade

H₂O: 1 mg/mL

densidade

1.018 g/cm³

application(s)

diagnostic assay manufacturing
hematology
histology

temperatura de armazenamento

room temp

SMILES string

[Na+].[Na+].[O-]C(=O)c1ccccc1C2=C3C=C(Br)C(=O)C(Br)=C3Oc4c(Br)c([O-])c(Br)cc24

InChI

1S/C20H8Br4O5.2Na/c21-11-5-9-13(7-3-1-2-4-8(7)20(27)28)10-6-12(22)17(26)15(24)19(10)29-18(9)14(23)16(11)25;;/h1-6,25H,(H,27,28);;/q;2*+1/p-2

InChI key

SEACYXSIPDVVMV-UHFFFAOYSA-L

Aplicação

Eosin Y disodium salt has been used for determining sperm viability. The swollen and stained spermatozoa were considered dead.[1] In corneal epithelium, it has been used in the procedure of immunohistological staining.[2]

Ações bioquímicas/fisiológicas

Eosin Y is a xanthene dye and is used for the differential staining of connective tissue and cytoplasm. In histopathology, it is applied as a counterstain after hematoxylin and before methylene blue. It is also used as a background stain, thereby giving contrast to the nuclear stains.[3][4]