phthalein (Meaning)
phthalein (n.)
One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthalein. Their alkaline solutions are fluorescent.
Synonyms & Antonyms of phthalein
No Synonyms and anytonyms found
phthalein Sentence Examples
- Phenolphthalein is a common pH indicator that turns pink in alkaline solutions.
- Thymolphthalein is another type of phthalein that transitions from colorless to blue in basic environments.
- The esterification of phthalic anhydride with phenols yields a variety of phthalein dyes.
- The reaction of phthalein with concentrated sulfuric acid produces the corresponding phthalic anhydride.
- Bromophenol blue is a phthalein dye used as an indicator for weak acids.
- Chlorophenol red is a phthalein dye with a wider pH range than phenolphthalein.
- Fluorescein is a phthalein dye used as a fluorescent tracer in biological applications.
- Eosin Y is a phthalein dye used as a histological stain and in photodynamic therapy.
- Rose bengal is a phthalein dye used as a photosensitizer in photodynamic therapy and as a stain for microscopy.
- The development of phthalein dyes has significantly contributed to the fields of analytical chemistry and biomedical imaging.
FAQs About the word phthalein
One of a series of artificial organic dyes made as condensation products of the phenols with phthalic acid, and well represented by phenol phthalein. Their alka
No synonyms found.
No antonyms found.
Phenolphthalein is a common pH indicator that turns pink in alkaline solutions.
Thymolphthalein is another type of phthalein that transitions from colorless to blue in basic environments.
The esterification of phthalic anhydride with phenols yields a variety of phthalein dyes.
The reaction of phthalein with concentrated sulfuric acid produces the corresponding phthalic anhydride.
