WebFluorescein is a fluorophore, which has absorption maxima at 493.5 and 460 nm.3 However, the fluorescence of this compound is highly pH dependent.4,5,6 As a pH … WebMar 25, 2013 · Fluorescein is an organic dye also known as D & C Yellow No. 7 and many other names. A. von Baeyer first synthesized it in 1871 from phthalic anhydride and resorcinol and called it resorcinphthalein. It is not …
Applicability of the Fluorescein Diacetate Method of …
WebSolubility:Soluble. Specific Gravity/Density:Not available. Molecular Formula:C20H10Na2O5 Molecular Weight:376.27 Section 10 - Stability and Reactivity Chemical Stability:Stable under normal temperatures and pressures. Conditions to Avoid:Moisture. Incompatibilities with Other Materials:Strong oxidizing agents. WebJul 11, 2024 · Partition coefficients were determined by shaking a sample of fluorescein with 3000 cm 3 of water and 100 cm 3 of methanol (Aldrich Chemical Co., 0.998, anhydrous) at a pH of 3.28 for 14 days and then filtering off the excess of fluorescein. Methanol was used to increase the solubility of fluorescein in water. is that a starbucks cake pop original video
Determination of Water–Solvent Partition Coefficients for Fluorescein ...
WebTetraiodofluorescein is a natural product found in Dianthus superbus with data available. LOTUS - the natural products occurrence database. A tetraiodofluorescein used as a red coloring in some foods (cherries, fish), as a disclosure of DENTAL PLAQUE, and as a stain of some cell types. It has structural similarity to THYROXINE. WebFluorescein. Molecular Formula C 20 H 12 O 5; Average mass 332.306 Da; Monoisotopic mass 332.068481 Da; ChemSpider ID ... 7.38E-011 mm Hg (25 deg C, Mod-Grain method) Water Solubility Estimate from Log Kow (WSKOW v1.41): Water Solubility at 25 deg C (mg/L): 3.212 log Kow used: 3.35 (estimated) no-melting pt equation used Water Sol … WebProduct Name Fluorescein disodium salt dihydrate Cat No. : AC410640000; AC410641000; AC410645000 CAS No 1264198-62-0 Synonyms Fluorescein, water soluble dihydrate; … i get those goosebumps every time meaning