Fluorescein sodium (Uranine)

IUPAC name: disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
Alternatív megnevezések: C.I. Acid Yellow 73; C.I. 45350; 11824 Yellow; Basacid Yellow 226; C Yellow 8; C Yellow No. 8; C Yellow No. 8-307225; D and C Yellow No. 8; D&C Yellow No. 8; Disodium Fluorescein; FL 4631; Fluo-rectal; Fluorescein; Fluorescein, disodium salt; Fluorescein, sodium salt; Fluoresceine; Fluorin; Leadacid Uranine BG Ex. Conc.; Neelicol Fluorescein; Sandolan Yellow N3GL; Sicomet Uranin S 45350; Sodium Fluoresceine; Triacid Fluoresceine; Uranin; Uranine; Victacid Uranine; 3′,6′-dihydroxyspiro[isobenzofuran-1(3H),9′-[9H]xanthen]-3-one; 5(6)-Carboxyfluorescein sodium; disodium 2-(3-oxo-6-oxidoxanthen-9-yl)benzoate; Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,3',6'-dihydroxy-, disodium salt

General description of the product

Molecular formula: C20H10Na2O5
Molar weight: 376,275 g/mol
CAS number: 518-47-8
EC number: 208-253-0
ECHA: 17278
PubChem: 9885981
ChemSpider: 10163
UNII (FDA SRS): 93X55PE38X
Fluorescein sodium molecule structure
Fluorescein sodium is a synthetic organic dye. It has good solubility in water (500 g/l at 15°C), poor solubility in alcohol. Dark orange/red powder. Widely used as a fluorescent tracer for many applications. Fluorescein is a fluorophore commonly used in microscopy and specroscopy. Also used in a type of dye laser as the gain medium, in forensics and serology to detect latent blood stains, and in dye tracing. Fluorescein has an absorption maximum at 493.5 nm and emission maximum of ca. 515 nm (in water) the exact value depends on the pH. The isosbestic point is 464 nm on which the absorption is the same at this wavelength at any pH. Fluorescein dye solutions, typically 15% active, are commonly used as an aid to leak detection during hydrostatic testing of subsea oil and gas pipelines and other subsea infrastructure. Leaks can be detected by divers carrying ultraviolet lights. It is also used as a rodsman bait as the shade is inviting the fishes.
Fluorescein sodium in visible light Fluorescein sodium in UV light

Specification

Property specification unit
Appearance Fine powder
Tinting strength 100,0 ± 5 %
Colour (drawdown) similar to standard
Fluoreszcein-nátrium

Safety

Classification according to European Regulation (EC) No 1272/2008
Not dangerous
Labelling according to Regulation (EC) No 1272/2008 (CLP)
Not needed
Information regarding to transport
The product is not classified as dangerous for transport.
Fluorescein sodium 50 g
Fluorescein sodium 150 g
Fluorescein sodium 1 kg

Other information

Customs tariff number: 3204120090
Article number: 94407922 (50 g/bottle)
Article number: 94407939 (150 g/bottle)
Article number: 94407953 (300 g/bottle)
Article number: 94407035 (1 kg/bag)
Article number: 94407826 (5-25 kg/carton box)

Ordering

In case you are going to order from any of our products as a new customer, please click here and fill in the form.
We send you our offer based on the form.

In case you already purchased from us, please send us an e-mail by clicking on the 'Order' button here below.
Buy; Buying; Purchase; Sell; Selling; Wholesale; Wholesaling; Shop; Shopping; Trade; Trading; Distributor; Distribution; Distributing; Supplier; Offer; Offering; Manufacturer; Manucacturing; Producer; Producing; Market; Marketing; Commerse; Export; Import; Source; Stock; Get; Getting; Surplus; Obsolete; Cheap; Bargain; Budget; Discount; Reduced; Handler; Handling; Hersteller; Kaufen; Abkaufen; Ankaufen; Billig; Anschaffen; Nehmen; Verkauf; Verkaufen; Großhandel; Großhändler; Großhandlung; Quelle; Markten; Händler; Chemikalien; Bieten; Anbieten; Markt; Überlei; Überzählig; Ladenhüter; Bait; fluorescein price; fluorescein sodium price; fluorescein natrium price; fluorescein natrium preis
Buy; Buying; Purchase; Sell; Selling; Wholesale; Wholesaling; Shop; Shopping; Trade; Trading; Distributor; Distribution; Distributing; Supplier; Offer; Offering; Manufacturer; Manucacturing; Producer; Producing; Market; Marketing; Commerse; Export; Import; Off-spec; Slow moving; Source; Stock; Get; Getting; Surplus; Surplus chemicals; Surplus stock; Obsolete; Obsolete chemicals; Obsolete stock; Redundant; Redundant chemicals; Redundant stock; Cheap; Bargain; Budget; Discount; Reduced; Handler; Handling; Hersteller; Kaufen; Abkaufen; Ankaufen; Billig; Anschaffen; Nehmen; Verkauf; Verkaufen; Großhandel; Großhändler; Großhandlung; Quelle; Markten; Händler; Chemikalien; Bieten; Anbieten; Markt; Überlei; Überzählig; Ladenhüter