General description. Rhodamine B is bright-red in color. Rhodamine B is a xanthene dye, which functions as a water tracer fluorescent. It is used as a staining fluorescent dye.
How do you dispose of rhodamine?
P310 Immediately call a POISON CENTER or doctor/ physician. P330 Rinse mouth. P501 Dispose of contents/ container to an approved waste disposal plant. For the full text of the H-Statements mentioned in this Section, see Section 16.
Is rhodamine sensitive to light?
Rhodamine B is ozo dye, stronger than methylene blue dye. It does not degrade itself without any catalyst or semiconductor in visible light or even in UV light.
Why is rhodamine B Zwitterion colored?
Rhodamine B exists in solution as a highly colored zwitterion, a colorless lactone and an intensely colored cation. Protic solvents stabilize the zwitterion: the position of the lactone-zwitterion equilibrium depends upon solvent-dye hydrogen bonding and solvent dielectric/polarizability properties.
Is rhodamine B water soluble?
The solubility of rhodamine B in water varies by manufacturer, and has been reported as 8 g/l and ~15 g/L, while solubility in alcohol (presumably ethanol) has been reported as 15 g/L. Chlorinated tap water decomposes rhodamine B.
How do you clean Rhodamine B?
After skin contact: Rinse/flush exposed skin gently using soap and water for 15-20 minutes. Seek medical advice if discomfort or irritation persists. After eye contact: Protect unexposed eye. Rinse/flush exposed eye(s) gently using water for 15-20 minutes.
Is Rhodamine B an acid or base?
The present work deals with the removal, from aqueous solutions, of two kinds of dyes: a basic dye, rhodamine-B (RB), and an acidic one, thoron (TH). Basic dyes are known to be the brightest class of the soluble dyes used in the textile industry (Stephen and Sulochana, 2006).
How do you dilute Rhodamine B?
To prepare a 100-ppb standard of rhodamine B or other dye in powder form: 1. First, prepare a 100-fold dilution by weight. Using an accurate laboratory scale, weigh 1 gram of dye directly into a 100-ml volumetric flask. Then dilute to the mark with distilled water.
How do you make Rhodamine B?
Briefly, FPMAAG nanoparticles were obtained as follows: 10 mL distilled water containing 5 mg rhodamine B, 500 mg sodium hydroxide, and 250 mg gelatin was under continuous stirring for 10 min (300 rpm) at 50°C with a dropwise addition of 500 μL methacrylic acid.
Who discovered Rhodamine?
Rhodamine B is a Basic dye that was developed in 1887 by Ceresole.
What is the difference between rhodamine B and rhodamine 6G?
B at 585 nm (peak of Rh. 6G laser) is about seven times higher than that at 532 nm. This means that the threshold pumping energy required for Rh. B laser under pumping with 585 nm is seven times lower than that under pumping with 532 nm .
Is rhodamine hydrophilic or hydrophobic?
Rhodamine B is a hydrophobic compound with a log Kow value of 1.95.
What is fluorescein sodium used for?
Fluorescein sodium, the sodium salt of fluorescein, is used extensively as a diagnostic tool in the field of ophthalmology and optometry, where topical fluorescein is used in the diagnosis of corneal abrasions, corneal ulcers and herpetic corneal infections.
Is Rhodamine B cationic or anionic?
In addition, other cationic dyes, like malachite green (MG) and rhodamine B (RhB), as well as anionic dyes, like indigo carmine (IC), acid fuchsine (AF), acid orange (AO), and fluorescein disodium salt (FD), are also tested in this work.
What is a xanthene dye?
Xanthene dyes are those containing the xanthylium or di-benzo-g-pyran nucleus as the chromophore with amino or hydroxy group meta to the oxygen. … Xanthenes dyes are grouped as diphenylmethane, triphenylmethane, aminohydroxy and fluorescent derivatives. Many uses for these dyes have been reported.
What is Congo red dye?
Congo red is an organic compound, the sodium salt of 3,3′-(-4,4′-diyl)bis(4-aminonaphthalene-1-sulfonic acid). It is an azo dye. Congo red is water-soluble, yielding a red colloidal solution; its solubility is greater in organic solvents.
Is rhodamine a Solvatochromic?
Rhodamine B exists in solution as a highly colored zwitterion, a colorless lactone and an intensely colored cation. Protic solvents stabilize the zwitterion: the position of the lactone-zwitterion equilibrium depends upon solvent-dye hydrogen bonding and solvent dielectric/polarizability properties.
What is rhodamine phalloidin?
Rhodamine phalloidin is a high-affinity F-actin probe conjugated to the red-orange fluorescent dye, tetramethylrhodamine (TRITC). Also available as a room-temperature-stable, ready-to-use solution: ActinRed 555 Ready Probes Reagent.
What is Rhodamine Red?
Rhodamine Red from Pantone® is a medium magenta pink red color.
Why is rhodamine fluorescent?
They are the chromophores and fluorophores of rhodamine dyes responsible for the strong light absorption and fluorescence emission in the visible region. One advantage of these dyes over rhodamines is the absence of lactone form due to the absence of the carboxyphenyl moiety.