Fluorescein powder Fluorescein disodium salt

Categories	Fine chemicals & Intermediates
Brand	TNN Chemical Raw Materials Manufacturer
FOB port	Qingdao,Shanghai,Tianjin,Any Seaports in China
Terms of Payment	L/C, Western Union, MoneyGram, T/T
Update Time	Feb 23,2025

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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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