Sigma-Aldrich E6003 Eosin Y disodium salt Dye content ≥85 % 250 gr
Marka
Stok Kodu
LB.SA.E6003-250G
Kısa Bilgi
Synonym(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 CAS Number: 17372-87-1 Molecular Weight: 691.85 Colour Index Number: 45380 Beilstein: 3586809 EC Number: 241-409-6 MDL number: MFCD00005040 PubChem Substance ID: 24894349 NACRES: NA.47
Bilgi
CAS Number: 17372-87-1
| Sigma-Aldrich E6003 Eosin Y disodium salt Dye content ≥85 % 250 gr |
| Synonym(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 CAS Number: 17372-87-1 Molecular Weight: 691.85 Colour Index Number: 45380 Beilstein: 3586809 EC Number: 241-409-6 MDL number: MFCD00005040 PubChem Substance ID: 24894349 NACRES: NA.47 |
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DESCRIPTION
form powder Quality Level 200 composition Dye content, ≥85% solubility H2O: 1 mg/mL density 1.018 g/cm3 application(s) diagnostic assay manufacturing, hematology, histology storage temp. 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 DESCRIPTION Application 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] Biochem/physiol Actions 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] |
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