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Fluorescein powder Fluorescein disodium salt

Fluorescein powder Fluorescein disodium salt

Fluorescein powder  Fluorescein disodium salt
Fluorescein powder  Fluorescein disodium saltFluorescein powder  Fluorescein disodium saltFluorescein powder  Fluorescein disodium saltFluorescein powder  Fluorescein disodium salt
CategoriesFine chemicals & Intermediates
BrandTNN
FOB portQingdao,Shanghai,Tianjin,Any Seaports in China
Terms of PaymentL/C, Western Union, MoneyGram, T/T
Update Time2022/6/29
Detail Information
Basic information
Fluorescein Sodium Used In examining subterranean waters. Serves to ascertain source of springs, connections between streams and sea, determining approx vol of water delivered by a spring, detecting source of contamination of drinking water, infiltration of soil with waste waters of factories. In externally applied drugs and cosmetics. Analytical reagent (protein label). Clinical reagent (immuno-histological stain, immuno-fluorescent label).
Product Name: Fluorescein Disodium Salt
Synonyms:Fluorescein Sodium  
Quality Standard: Ind Grade 
Molecular Formula: C20H10Na20
Molecular Mass: 376.28
CAS No.: 518-47-8

Product Name: Fluorescein 
Synonyms:Fluorescein 
Quality Standard: Ind Grade 
Molecular Formula: C20H12O5 
Molecular Weight: 332.31
CAS No.: 2321-7-5
Specifications

Fluorescein

Item Name:

Ind Grade

Maximal absorption wavelength   λ(PH8.0),nm

490-493

Quality absorption coefficient       λ(PH8.0),L/(cm•g)

≥200

Solubility in alcohol

Passes test

Sulfated ash,percent

≤0.3

Loss on drying, percent

≤5.0

Sensitivity test

Passes test

Fluorescein  Disodium Salt

Item Name:

Ind Grade

Solubility in water

Passes test

Biological stain

Passes test

Water, percent 

≤7.0

Sensitivity test for bromine

Passes test

General Uses
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