Exempel på phenolphthalein

• Stimulants, especially phenolphthalein and castor oil, can cause dehydration and electrolyte disturbances in the elderly patient.

• This is, in fact, sold under a variety of names, some of which are antikamnia, ammonol, antitoxin, phenalgin, and phenolphthalein.

• Phenolphthalein is insoluble in water and usually is dissolved in alcohols for use in experiments.

• Several indicators share a similar structure to phenol red, including bromothymol blue, thymol blue, bromocresol purple, thymolphthalein, and phenolphthalein.

• It is closely related to bisacodyl, sodium picosulfate, and phenolphthalein.

• The acid-base indication abilities of phenolphthalein also make it useful for testing for signs of carbonation reactions in concrete.

• This is typically achieved by boiling an alkaline solution of phenolphthalein with powdered zinc, which reduces the phenolphthalein into phenolphthalin.

• Phenolphthalein is used in a test to identify substances that are thought to be, or to contain, blood.

• Developer fluids may be applied using a spray bottle, but some developers are in the form of vaporous, e.g. ammonia fumes used to develop phenolphthalein ink.

• Phenolphthalein's past use for its laxative properties has been discontinued due to concerns it may be carcinogenic.

• In several sources, the structure of phenol red is shown with the sulfur atom being part of a cyclic group, similar to the structure of phenolphthalein.

• A universal indicator is typically composed of water, propan-1-ol, phenolphthalein sodium salt, sodium hydroxide, methyl red, bromothymol blue monosodium salt, and thymol blue monosodium salt.