Cresol – Medical Cushion – Medical Air Cushion
In its chemical structure, a cresol molecule has a methyl group substituted onto the benzene ring of a phenol molecule. There are three forms of cresols that are only slightly different in their chemical structure: ortho-cresol (o-cresol), meta-cresol (m-cresol), and para-cresol (p-cresol). These forms occur separately or as a mixture. The word tricresol can be used as a synonym for cresol where it means a mixture of o-, m- and p-cresols.
Isomers of Cresol
Appearance at room
temperature and pressure
mixture of cresols (tricresol): [1319-77-3]
Density and phase
1.05 g/cm3, solid
1.03 g/cm3, liquid
1.02 g/cm3, liquid
Solubility in pure water
2.5 g/100 ml
2.4 g/100 ml
1.9 g/100 ml
soluble in strongly alkaline water
29.8 C (303.0 K)
11.8 C (285.0 K)
35.5 C (309.7 K)
191.0 C (464.2 K)
202.0 C (475.2 K)
201.9 C (475.1 K)
solid at 25 C
? cP at 25 C
solid at 25 C
flammable, ingestion and inhalation toxicity hazard
86 C c.c.
Supplementary data page
Structure & properties
n, r, etc.
Solid, liquid, gas
UV, IR, NMR, MS
Except where noted otherwise, data are given for
materials in their standard state (at 25C, 100 kPa)
Infobox disclaimer and references
Cresols are used to dissolve other chemicals, as disinfectants and deodorizers, and to make specific chemicals that kill insect pests.
Cresol solutions are used as household cleaners and disinfectants, perhaps most famously under the trade name Lysol. Cresol solutions can also be found in photographic developers. In the past, cresol solutions have been used as antiseptics in surgery, but they have been largely displaced in this role by less toxic compounds. Lysol was also advertised as a disinfecting vaginal douche in mid-twentieth century America.
Cresols are found in many foods and in wood and tobacco smoke, crude oil, coal tar, and in brown mixtures such as creosote, cresolene and cresylic acids, which are wood preservatives. Small organisms in soil and water produce cresols when they break down materials in the environment. Cresols are also a chemical component found in Sharpie Markers.
Xylenols are dimethylphenols, or they can be thought of as methylcresols.
p-cresol is one of the very few compounds to attract the orchid bee Euglossa cyanura, and has been used to capture and study the species.
Most exposures to cresols are at very low levels that are not harmful. When cresols are breathed, ingested, or applied to the skin at very high levels, they can be very harmful. Effects observed in people include irritation and burning of skin, eyes, mouth, and throat; abdominal pain and vomiting; heart damage; anemia; liver and kidney damage; facial paralysis; coma; and death.
Breathing high levels of cresols for a short time results in irritation of the nose and throat. Aside from these effects, very little is known about the effects of breathing cresols, for example, at lower levels over longer times.
Ingesting high levels results in kidney problems, mouth and throat burns, abdominal pain, vomiting, and effects on the blood and nervous system.
Skin contact with high levels of cresols can burn the skin and damage the kidneys, liver, blood, brain, and lungs.
Short-term and long-term studies with animals have shown similar effects from exposure to cresols. No human or animal studies have shown harmful effects from cresols on the ability to have children.
It is not known what the effects are from long-term ingestion or skin contact with low levels of cresols.
References for Table of Properties
Environmental Science – SMILES Examples Notations
^ “Lysol Douche Advertisements”
^ Williams & Whitten, 1983: 387
Williams, Norris H. & Whitten, W. Mark (1983): Orchid floral fragrances and male euglossine bees: methods and advances in the last sesquidecade. Biol. Bull. 164: 355-395.
Categories: Phenols | Antiseptics | Hazardous air pollutants
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