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Eosin Y(water soluble) - Dye content 75%, high purity , CAS No.17372-87-1

  • Dye content 75%
Item Number
E299475
Grouped product items
SKUSizeAvailabilityPrice Qty
E299475-100g
100g
Available within 4-8 weeks(?)
Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!
$85.90
E299475-500g
500g
Available within 4-8 weeks(?)
Items will be manufactured post-order and can take 4-8 weeks. Thank you for your patience!
$295.90

Basic Description

SynonymsEosin|Acid red 87|Eosin yellowish|Eosine Yellowish|Eosine|C.I. Acid Red 87|Eosine G|Eosin YS|Bromoeosine|Sodium eosine|Bromo acid|Eosine Y|Sodium eosinate|548-26-5|D and C Red No. 22|Bromofluoresceic acid|Bronze Bromo|Certiqual Eosine|Aizen eosine GH|Brom
Specifications & PurityDye content 75%
Shipped InNormal
Product Description

Eosin Y, a red xanthene dye, has been noted to reduce the affinity of Mg2+-ATPase for ATP and increase the enzyme affinity for Mg2+ at concentrations of 10-50 μM. At higher concentrations near 100 μM the affinity for Mg2+-ATPase for the ion-activator has been shown to be reduced. This compound has also been reported to be a photosensitizer that works as a molecular photoelectrode via catalyzation of the visible-light-driven electron-transfer reaction. Eosin Y has been used to stain structures such as muscle, cytoplasm, and collagen. This agent also enhances fluorescent quenching abilities by forming a complex with polyvinulpyrrolidone.

Names and Identifiers

Isomeric SMILES C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].[Na+].[Na+]
PubChem CID 11048
Molecular Weight 691.85

Certificates

Certificate of Analysis(COA)

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4 results found

Lot NumberCertificate TypeDateItem
B2013012Certificate of AnalysisDec 18, 2023 E299475
I2208839Certificate of AnalysisJul 06, 2022 E299475
I2208840Certificate of AnalysisJul 06, 2022 E299475
I2208841Certificate of AnalysisJul 06, 2022 E299475

Chemical and Physical Properties

SolubilitySoluble in water (40 mg/ml), alcohol (sparingly), methanol (slightly), ethanol (10 mg/ml), and Ethylene Glycol Monomethyl Ether (Methyl-cellosolve; EGME) (50 mg/ml).
SensitivityMoisture sensitive.

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