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Postion:Product Catalog >Dyes and Pigments>dye>Acid dye>EOSIN
EOSIN
  • EOSIN
  • EOSIN
  • EOSIN

EOSIN

Price $585 $1890
Package 25g 100g
Min. Order: 25g
Supply Ability: 20T
Update Time: 2022-05-20

Product Details

Product Name: EOSIN CAS No.: 17372-87-1
Min. Order: 25g Purity: 98
Supply Ability: 20T Release date: 2022/05/20

Eosine yellow, spirit soluble

Code: E 1245

Synonyms: 2',4',5',7'-Tetrabromofluorescein disodium salt, Acid Red 87, Bromo acid J. TS, XL, or XX, Bromofluorescein, Bronze Bromo ES, Eosin yellowish

17372-87-1

for microscopy

C20H6Br4Na2O5

32041299

Bottle / Drum
18%


PROPERTIES
Biological stains,Stains & dyes

λex 532 nm

λem 540 nm in H2O

Solid

45386
DESCRIPTION

Eosin is a fluorescent acidic / negative compound that binds to and forms salts with basic, or eosinophilic, compounds containing positive charges (such as proteins that are basic / positive due to the presence of amino acid residues such as arginine and lysine) and stains them dark red or pink as a result of the actions of bromine on fluorescein.

APPLICATION

E 1245 (OTTO) Eosine yellow, spirit soluble Cas 17372-87-1 - used as a counterstain to hematoxylin in H&E (haematoxylin and eosin) staining. H&E staining is one of the most commonly used techniques in histology. Tissue stained with haematoxylin and eosin shows cytoplasm stained pink-orange and nuclei stained darkly, either blue or purple. Eosin also stains red blood cells intensely red.

SAFETY INFORMATION
Hazard Symbols
 
  • Article illustration

Hazard Codes Xi


Risk Statements 36


Safety Statements 26


WGK Germany 3



Company Profile Introduction

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