ChemicalsProduct information

Eosin

Eosin YS dye is an organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge...

Molecular Formula
C20H6Br4Na2O5
Molecular Weight
691.9
Purity / Grade
AR GRADE
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Eosin
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Technical reference

Specifications

IUPAC Name
disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate
Synonyms
Acid red 87, Eosin, Eosin yellowish, Eosine Yellowish, Eosine, Eosine G, Eosin YS, Sodium eosine, Bromo acid, Eosine Y, Bromofluorescein, Sodium eosinate, Bronze Bromo, Certiqual Eosine, Bromo Fluorescein, Eosine A, Eosine J, Eosine BS, Eosine DA, Eosine FA, Eosine GF, Eosine OJ, Eosine w/s, Eosine YB
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+]
InChI Key
SEACYXSIPDVVMV-UHFFFAOYSA-L

Uses & applications

Usage notes

Confirm acid strength, inhibitor requirement, metallurgy, dilution method, ventilation, and spent-solution neutralization plan.
Always add acid to water under controlled conditions and separate from alkalis, oxidizers, hypochlorite, cyanides, sulfides, and incompatible metals.

Applications

Reference context: Eosin YS dye is an organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions.
Acid cleaning, descaling, pH reduction, neutralization support, and process adjustment enquiries where substrate compatibility is confirmed.
Relevant for boiler/RO cleaning support, industrial cleaning, lab reagent demand, metal treatment, and wastewater pH correction after technical review.

  • Formula C20H6Br4Na2O5 and molecular data ready for the technical sidebar.
  • Acidic chemistry profile for descaling, pH control, and process cleaning enquiries.
  • Best quoted after grade, concentration, packing, compatibility, and SDS review.
  • Add final image, packing, grade, SDS/COA, and category links before client quotation.
Handling information

Safety & documents

Corrosion Corrosion Corrosive to metals, skin, or eyes.

A Safety Data Sheet is not attached to this listing. Request the current SDS and handling information.

Product description

Eosin YS dye is an organic sodium salt that is 2′,4′,5′,7′-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is neutralised by two sodium ions. It has a role as a fluorochrome and a histological dye. It is an organobromine compound and an organic sodium salt. It contains a 2′,4′,5′,7′-tetrabromofluorescein(2-).

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Chemical Eosin Reference page
Molecular structure
Eosin molecular structure
Frequently asked questions
What is Eosin and where is it supplied?

Grade: AR GRADE. Available in Pakistan | Origin: China. Serving areas include Pakistan.

What are the main applications of Eosin?

Reference context: Eosin YS dye is an organic sodium salt that is 2',4',5',7'-tetrabromofluorescein in which the carboxy group and the phenolic hydroxy group have been deprotonated and the resulting charge is.

How can buyers request a quote for Eosin?

Use the quote or enquiry action on this page to send a Pakistan market enquiry directly: https://waterchemicalssolution.com/enquiry-portal/?enquiry_mode=physical&resource_id=51104&product_name=Eosin&type=Chemical&grade=AR%20GRADE&market=Pakistan%20|%20Origin:%20China&serving_areas=Pakistan