Phenols

  • Plant phenols and human health
  • Phenols - hydroxy derivatives of aromatic hydrocarbonswith antiseptic properties.
    One of the representatives of phenols is carbolic acid (Phenolum purum, Acidum carbolicum; list B). Chemically pure carbolic acid is a white crystalline substance with a sharp characteristic smell. At t 15 degrees in the water dissolves 8% acid. Well soluble in alcohol, ether, benzene, lipids. In its pure form is used in dental practice as cauterizing and a painkiller (in a mixture with novocaine) and in the arsenic paste (for leaf tissue becoming necrotic pulp of the tooth); 0,5-1-3% solution is used as an antiseptic in surgery, urology, gynecology and in the clinic of skin diseases. For disinfection of premises used the soap-carbolic solution. In high doses, carbolic acid and other phenols can cause toxic effects: dizziness, weakness, vomiting, respiratory disorders, weakening of cardiac activity, convulsions, collapse (see).
    Prevention of poisoning in the production and disinfection: wear working clothes made of dense fabric and rubber gloves, frequent change of clothes, the control over concentration of phenol in the air of working premises (MPC - 5 mg/m3). First aid for poisoning phenol: washing stomach reception inside enveloping assets, when events collapse and respiratory depression injection camphor, strychnine. The group phenols are also the tar (see), Lysol (see), resorcinol (see), tricresol (see). Cm. also Antiseptic.