Home / How to pronounce "phenolphthalein" and what is the meaning of "phenolphthalein"?

How to pronounce "phenolphthalein" and what is the meaning of "phenolphthalein"?



How to pronounce phenolphthalein?

The word phenolphthalein sounds like phe-nol-phtha-lein

What is the definition of phenolphthalein?

nouna laxative used in many preparations under various trade names; also used as an acid-base indicator in titrations involving weak acids and strong bases because it is brilliant red at high alkalinity and colorless below pH 8

What is the definition of phenolphthalein?

  • Phenolphthalein is a chemical compound that is commonly used as an indicator in acid-base titrations.
  • It is a white or pale yellow crystalline solid that turns pink or magenta in the presence of a base.

What is the chemical formula of phenolphthalein?

  • The chemical formula of phenolphthalein is C20H14O4.

What are some synonyms for phenolphthalein?

  • Some synonyms for phenolphthalein are phthalein, Inol, and Erythrosine B.

In which industries is phenolphthalein commonly used?

  • Phenolphthalein is commonly used in the pharmaceutical industry, chemical laboratories, and educational institutions.

What is the pH range for phenolphthalein as an indicator?

  • Phenolphthalein is an indicator that has a pH range of approximately 8.2 to 10.0.
  • It is colorless below pH 8.2 and turns pink above pH 10.0.

What are the safety precautions when handling phenolphthalein?

  • When handling phenolphthalein, it is important to wear appropriate protective equipment such as gloves and goggles.
  • It should be stored in a cool, dry place and kept away from heat, sparks, and open flames.

Is phenolphthalein toxic?

  • Phenolphthalein is considered to be moderately toxic.
  • Ingestion or prolonged exposure to large amounts of phenolphthalein may cause adverse health effects.

Can phenolphthalein be used as a laxative?

  • Phenolphthalein has been used in the past as a stimulant laxative.
  • However, it is no longer used for this purpose due to concerns about its safety and potential carcinogenicity.

Can phenolphthalein be used in food or cosmetics?

  • Phenolphthalein is not approved for use in food or cosmetics.
  • It is primarily used in laboratory settings and industrial applications.

Is phenolphthalein a controlled substance?

  • Phenolphthalein is not a controlled substance and is generally available for purchase without restriction.