t is not possible to add a purity specification to Eosin Y free acid because no purity tests are performed
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产品名称
伊红 Y, Dye content ~99 %
形狀
powder
品質等級
成份
Dye content, ~99%
顏色
light red to red/pink
溶解度
ethanol: 1 mg/mL
應用
diagnostic assay manufacturing
hematology
histology
儲存溫度
room temp
SMILES 字串
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 密鑰
DBZJJPROPLPMSN-UHFFFAOYSA-N
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儲存類別代碼
11 - Combustible Solids
水污染物質分類（WGK）
WGK 3
閃點（°F）
Not applicable
閃點（°C）
Not applicable
個人防護裝備
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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