t is not possible to add a purity specification to Eosin Y free acid because no purity tests are performed
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| Rozmiar/SKU | Dostępność | Cena netto |
|---|---|---|
5 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 832,00 zł |
25 g | Skontaktuj się z Obsługą Klienta, aby uzyskać informacje na temat dostępności | 4070,00 zł |
Informacje o tej pozycji
832,00 zł
Nazwa produktu
Eosin Y, Dye content ~99 %
form
powder
Quality Segment
composition
Dye content, ~99%
color
light red to red/pink
solubility
ethanol: 1 mg/mL
application(s)
diagnostic assay manufacturing
hematology
histology
storage temp.
room temp
SMILES string
Oc1c(Br)cc2c(Oc3c(Br)c(O)c(Br)cc3C24OC(=O)c5ccccc45)c1Br
InChI
1S/C20H8Br4O5/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
DBZJJPROPLPMSN-UHFFFAOYSA-N
Application
- to determine the location of the brain sections
- for staining of fixed liver tissue
- for histological examination of brain sections from the dorsal hippocampus
Biochem/physiol Actions
1 of 1
Ta pozycja | |||
|---|---|---|---|
| description Dye content ~99 % | description 75% (HPLC) | description certified by the BSC | description ≥85 % by HPLC |
| color light red to red/pink | color orange to very dark orange | color brown | color brown |
| application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing | application(s) diagnostic assay manufacturing |
| solubility ethanol: 1 mg/mL | solubility spirit: soluble | solubility H2O: 1 mg/mL | solubility H2O: 1 mg/mL |
| form powder | form powder | form powder | form powder |
| storage temp. room temp | storage temp. room temp | storage temp. room temp | storage temp. room temp |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 200 |
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Klasa składowania
11 - Combustible Solids
Co się dzieje?
WGK 3
Temperatura zapłonu (°F)
Not applicable
Temperatura zapłonu (°C)
Not applicable
PPE (środki ochrony indywidualnej)
Eyeshields, Gloves, type N95 (US)
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What is the purity level for product E4009 and can it be added to CoA?
1 answer-
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Is there a sample protocol for this product ? There id low solubility of E4009 in even ethanol (1 mg/mL) in that case how to make the usual eosin concentration of 1-5% w/v for use in an H&E staining reaction.
1 answer-
It is not feasible to dissolve catalog number E4009 to a concentration of 1 to 5% in alcohol. For H&E staining or staining sperm for viability, Eosin Y disodium salt is typically used, rather than Eosin Y free acid. Dry dyes, available under catalog numbers E4382 or 861006, are also used, along with various solutions for H&E staining, which also utilize only Eosin Y disodium salt. A 5% Eosin Y solution is available with the catalog number 318906, which is also formulated with Eosin Y disodium salt.
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