Phenol is a toxic organic chemical found in many foods and chemicals in our environment.\u00a0 Some people have an allergic reaction to phenol.<\/p>\n

Because phenol is found in so many chemicals, products and foods, you are likely to have quite a high exposure to it at times.\u00a0 This depends on your lifestyle, job and another of other factors.<\/p>\n

<\/p>\n

Phenol is also known as carbolic acid and hydrobenzene.\u00a0 It is most commonly produced from coal by distilling coal tar or the partial oxidation of benzene.<\/p>\n

It is used as a preservative in some allergy serums.\u00a0\u00a0 If you have certain types of allergy tests, your reaction to phenol must be checked as part of the test.\u00a0 If you react to phenol, this must be taken into account when doing the rest of the tests.<\/p>\n

It is found in a diverse range of products including artificial colours, artificial flavors, BHT\/BHT and natural salicylates.<\/p>\n

Phenol Uses<\/h2>\n

Phenol is a very useful chemical and has many uses.<\/p>\n

Condensation with acetone gives bisphenol-A, a key building block for polycarbonates.<\/p>\n

Condensation with formaldehyde gives phenolic resins, including the well-known Bakelite.<\/p>\n

It is used in the manufacture of the following:<\/p>\n

\n
• Epoxy<\/li>\n
• Aspirin and other drugs<\/li>\n
• Picric acid explosives<\/li>\n
• Herbicides and pesticides (constituent)<\/li>\n
• Phenolic resin including Bakelite formed by reacting phenol with formaldehyde.<\/li>\n
• Nylon<\/li>\n
• Synthetic detergents<\/li>\n
• Polyurethane<\/li>\n
• Perfume<\/li>\n
• Gasoline additives<\/li>\n
• Dyes<\/li>\n
• Cosmetics<\/li>\n
• Sunscreen<\/li>\n
• Hair dyes<\/li>\n
• Skin lightening preparationsPhotography solutions<\/li>\n
• Preservatives in medications including allergy shots<\/li>\n<\/ul>\n

  Note that while some of the above products contain phenol that may leak from the product, others may have the chemical locked in and therefore inert (meaning it won\u2019t affect you) and still others may use phenol in production but leave none of the chemical in the final product.<\/p>\n

  Phenol Medical Applications<\/h3>\n

  Exfoliant during cosmetic surgery<\/li>\n

  Phenolization (used to treat an ingrown nail – applied to the nail bed to prevent regrowth of nails)<\/li>\n

  Treat chronic neuropathic pain by injecting near a problematic sensory nerve<\/li>\n

  Active ingredient in some oral analgesics such as Chloraseptic and Carmex<\/li>\n

  Anticeptic
  \n

  Phenol Natural Sources<\/h2>\n

  Phenols can occur naturally.\u00a0 Here are some examples.<\/p>\n

  Phenol is a toxic agent in poison ivy and poison oak.<\/p>\n

  It is found in thyme oil.\u00a0 Thyme oil is used to produce menthol.<\/p>\n

  Spring water may contain phenol for two reasons.\u00a0 If the water comes in contact with naturally occurring coal, phenol may leach out of the coal and into the water.\u00a0 Humus (rotting leaves) is another source of phenol that may leach into spring water.<\/p>\n

  Other natural sources of phenol include:<\/p>\n

  \n
  • Tea<\/li>\n
  • Vanillin (found in vanilla as well as synthetic vanilla)<\/li>\n
  • Smoke (including smoked meats)<\/li>\n
  • Salicylate-containing foods<\/li>\n
  • Whisky (at least some whisky, e.g. Islay scotch whisky)<\/li>\n
  • Wine<\/li>\n<\/ul>\n

    Phenol Toxicity<\/h2>\n

    Although tolerated in small does, large does are quite toxic.<\/p>\n

    From Wikipedia:<\/p>\n

    Phenol and its vapor are corrosive to the eyes, the skin, and the respiratory tract.\u00a0 Repeated or prolonged skin contact with phenol may cause dermatitis, or even second and third-degree burns due to phenol’s caustic and defatting properties.\u00a0 Inhalation of phenol vapor may cause lung edema.\u00a0 The substance may cause harmful effects on the central nervous system and heart, resulting in dysrhythmia, seizures, and coma.\u00a0 The kidneys may be affected as well. Exposure may result in death and the effects may be delayed. Long-term or repeated exposure of the substance may have harmful effects on the liver and kidneys.”\u00a0 There is no evidence to believe that phenol causes cancer in humans.\u00a0 Besides its hydrophobic effects, another mechanism for the toxicity of phenol may be the formation of phenoxyl radicals.<\/p>\n

    Chemical burns from skin exposures can be decontaminated by washing with polyethylene glycol, isopropyl alcohol, or perhaps even copious amounts of water. Removal of contaminated clothing is required, as well as immediate hospital treatment for large splashes. This is particularly important if the phenol is mixed with chloroform (a commonly-used mixture in molecular biology for DNA & RNA purification from proteins).<\/p><\/blockquote>\n

    Phenol Chemical Structure<\/h2>\n

    The chemical formula for phenol is C6H5OH.<\/p>\n

    At its core is a benzene ring, with at least one hydroxyl group attached.<\/p>\n

    Salicylate and Salicylic Acid<\/h2>\n

    Salicylate is a salt or ester of salicylic acid.\u00a0 Salicylic acid is made from phenol.\u00a0 It is used to make aspirin and also as a food preservative.<\/li>\n","protected":false},"excerpt":{"rendered":"

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