1.15935
Eosin Y (yellowish) (C.I. 45380)
for microscopy Certistain®
Synonym(s):
Eosin Y (yellowish) (C.I. 45380)
About This Item
Recommended Products
Quality Level
form
solid
potency
>2000 mg/kg LD50, oral (Rat)
composition
Dye, ≥85% spectrophotometric assay
pH
9.2 (20 °C, 10 g/L in H2O)
mp
295-296 °C
solubility
300 g/L
bulk density
710 kg/m3
εmax
1200-1400 at 515-518 nm in water at 0.005 g/L
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
2-30°C
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
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General description
As the Eosin Y dye belongs to the portfolio of Certistain® dyes, it is chemically analyzed according to strict specifications before release (CE marked and IVD product) and a high staining quality, with reliable staining results is guaranteed. For more details, please see instructions for use (IFU). The IFU can be downloaded from this webpage.
Analysis Note
Identity (UV/VIS-Spectrum): passes test
Absorption maximum λ max (water): 515 - 518 nm
Spec. Absorptivity A 1%/1cm (λmax; 0.005 g/l; water): 1200 - 1400
TLC-Test: passes test
Loss on drying (110 °C): ≤ 8 %
Suitability for microscopy: passes test
Legal Information
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Sens. 1
wgk_germany
WGK 3
Certificates of Analysis (COA)
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