Erythrosine

Products Erythrosine is available as a pure substance in specialized stores. Structure and properties Erythrosine (C20H6I4Na2O5, Mr = 879.9 g/mol) is present as a disodium salt, a red, odorless powder that is soluble in water. It belongs to the xanthene dyes. Erythrosine is not an azo dye, but an iodinated fluorescein. Effects Erythrosine colors products … Erythrosine

Fluorescein

Products Fluorescein is commercially available in the form of eye drops and as a solution for injection. Structure and properties Fluorescein sodium (C20H10Na2O5, Mr = 376.3 g/mol) is an orange-red, fine, hygroscopic powder that is readily soluble in water. Effects Dye (ATC S01JA01) for diagnostic use in ophthalmology. Fluorescein stains areas of the cornea whose … Fluorescein

Change in Urine Color

Symptoms A change in urine color is manifested by a deviation from the normal color of urine, which usually varies from pale yellow to amber. It may occur as a solitary sign or along with other symptoms. Urine is usually clear and not cloudy. It gets its color from urine pigments called urochromes. These are, … Change in Urine Color

Oxybuprocaine Eye Drops

Products Oxybuprocaine eye drops 0.4% (4 mg/ml) have been approved in many countries since 1971. They are commercially available as a monopreparation (Novesin, Cebesin, Oxybuprocaine SDU Faure) and in combination with fluorescein (Fluoresceine-Oxybuprocaine SDU Faure). Structure and properties Oxybuprocaine is present in drugs as oxybuprocaine hydrochloride (C17H29ClN2O3, Mr = 344.9) is present. It is a … Oxybuprocaine Eye Drops

Eye Drops for Dry, Red, Pink or Itchy Eyes

Definition Eye drops are sterile, aqueous or oily solutions or suspensions of one or more active ingredients for dropwise application to the eye. They may contain excipients. Aqueous preparations in multi-dose containers must contain a suitable preservative if the preparation is not itself sufficiently antimicrobial. Eye drops without preservatives must be marketed in single-dose containers. … Eye Drops for Dry, Red, Pink or Itchy Eyes