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Qu'est-ce (qui) est Xylenol - définition
GROUP OF CHEMICAL COMPOUNDS
Dimethylphenol; Xylenols; 2,4-xylenol; 2,5-xylenol
Xylenol
·noun Any one of six metameric phenol derivatives of xylene, obtained as crystalline substances, (CH3)2·C6H3·OH.
Xylenol
Xylenols are organic compounds with the formula (CH3)2C6H3OH. They are volatile colorless solids or oily liquids.
Contact dermatitis
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HUMAN DISEASE
Dermatitis, allergic contact; Dermatitis, contact; Photo-allergic contact dermatitis; Occupational dermatitis; Contact or irritant dermatitis; Acidic induced contact dermatitis; Acid-induced contact dermatitis; Acidic-induced contact dermatitis; Acid induced contact dermatitis; Alkali-induced contact dermatitis; Alkali induced contact dermatitis; Antifungal agent-induced contact dermatitis; Antifungal agent induced contact dermatitis; Artificial nail-induced contact dermatitis; Artificial nail induced contact dermatitis; Dust-induced contact dermatitis; Dust induced contact dermatitis; St induced contact dermatitis; Axillary antiperspirant-induced contact dermatitis; Axillary antiperspirant induced contact dermatitis; Bleaching cream-induced contact dermatitis; Bleaching cream induced contact dermatitis; Tree-induced contact dermatitis; Tree induced contact dermatitis; Tree-associated plant-induced contact dermatitis; Tree-associated plant induced contact dermatitis; Tree associated plant induced contact dermatitis; Vegetable-induced contact dermatitis; Vegetable induced contact dermatitis; Capsaisin-induced contact dermatitis; Capsaisin induced contact dermatitis; Corticosteroid-induced contact dermatitis; Corticosteroid induced contact dermatitis; Antimicrobial agent-induced contact dermatitis; Antimicrobial agent induced contact dermatitis; Sunscreen-induced contact dermatitis; Sorbic acid-induced contact dermatitis; Solvent-induced contact dermatitis; Sunscreen induced contact dermatitis; Sorbic acid induced contact dermatitis; Solvent induced contact dermatitis; Axillary deodorant-induced contact dermatitis; Axillary deodorant induced contact dermatitis; Clothing-induced contact dermatitis; Clothing induced contact dermatitis; Ethylenediamine-induced contact dermatitis; Ethylenediamine induced contact dermatitis; Eye makeup-induced contact dermatitis; Eye makeup induced contact dermatitis; Fragrance-induced contact dermatitis; Fragrance induced contact dermatitis; Hair bleach-induced contact dermatitis; Hair bleach induced contact dermatitis; Hair dye-induced contact dermatitis; Hair dye induced contact dermatitis; Hair spray-induced contact dermatitis; Hair straightener-induced contact dermatitis; Hair straightener induced contact dermatitis; Hair spray induced contact dermatitis; Seed-induced contact dermatitis; Seed induced contact dermatitis; Propylene glycol-induced contact dermatitis; Propylene glycol induced contact dermatitis; Pollen-induced contact dermatitis; Pollen induced contact dermatitis; Plant derivative-induced contact dermatitis; Plant derivative induced contact dermatitis; Phenothiazine drug-induced contact dermatitis; Phenothiazine drug induced contact dermatitis; Permanent wave preparation-induced contact dermatitis; Permanent wave preparation induced contact dermatitis; Acrylic monomer dermatitis; Adhesive dermatitis; Arsenic dermatitis; Black dermatographism; Chrome dermatitis; Cobalt dermatitis; Cosmetic dermatitis; Cosmetic intolerance syndrome; Dentifrice-induced contact dermatitis; Dentifrice induced contact dermatitis; Tear gas dermatitis; Shoe dermatitis; Rubber dermatitis; Polyester resin dermatitis; Epoxy resin dermatitis; Fiberglass dermatitis; Gold dermatitis; Nickel dermatitis; Mercury dermatitis; Dermatitis from metals and metal salts; Flower-induced contact dermatitis; Flower induced contact dermatitis; Formaldehyde-induced contact dermatitis; Formaldehyde-releasing agent-induced contact dermatitis; Formaldehyde induced contact dermatitis; Formaldehyde-releasing agent induced contact dermatitis; Formaldehyde releasing agent induced contact dermatitis; Paraben-induced contact dermatitis; P-Chloro-Meta-Xylenol-induced contact dermatitis; Occupation-induced contact dermatitis; Occupation induced contact dermatitis; P-Chloro-Meta-Xylenol induced contact dermatitis; Paraben induced contact dermatitis; Hydrocarbon-induced contact dermatitis; Hair tonic-induced contact dermatitis; Hair lotion-induced contact dermatitis; Hair lotion induced contact dermatitis; Hair tonic induced contact dermatitis; Hydrocarbon induced contact dermatitis; Houseplant-induced contact dermatitis; Houseplant induced contact dermatitis; Lanolin-induced contact dermatitis; Lipstick-induced contact dermatitis; Local anesthetic-induced contact dermatitis; Marine plant-induced contact dermatitis; Mouthwash-induced contact dermatitis; Nail lacquer-induced contact dermatitis; Nail polish remover-induced contact dermatitis; Nail polish remover induced contact dermatitis; Lanolin induced contact dermatitis; Lipstick induced contact dermatitis; Local anesthetic induced contact dermatitis; Marine plant induced contact dermatitis; Mouthwash induced contact dermatitis; Nail lacquer induced contact dermatitis; Quaternium-15 hypersensitivity; Contact allergy; Systemic contact dermatitis; Textile dermatitis; Traumatic irritant contact dermatitis; Occupational contact dermatitis; Subjective irritant contact dermatitis; Sensory irritant contact dermatitis; Reed dermatitis; Rosewood dermatitis; Rosin dermatitis; Paraphenylenediamine dermatitis; Photoallergic contact dermatitis; Photoirritant contact dermatitis; Acute irritant contact eczema; Chronic irritant contact eczema; Airborne contact dermatitis; Makassar ebony dermatitis; Mechanical irritant dermatitis; Irritant contact dermatitis due to cumulative insult; Allergic contact eczema due to metal; Allergic contact dermatitis - nickel; Cumulative irritant contact dermatitis; Allergic contact dermatitis - chromate; Allergic contact eczema due to rubber; Irritant contact dermatitis - cement; Irritant contact dermatitis - contact with plant; Allergic contact dermatitis - cosmetic or toiletry; Glue or resin system allergic contact dermatitis - plastic; Allergic contact dermatitis - drug in contact with skin; Allergic contact dermatitis due to drugs; Allergic contact dermatitis due to dye; Allergic contact eczema due to other chemical products; Allergic contact dermatitis - cement; Allergic contact dermatitis - plastic; Irritant Contact Dermatitis due to Solvents; Allergic contact dermatitis - rubber chemical; NEC irritant Contact Dermatitis due to Specified Cause; Irritant Contact Dermatitis due to Oils and Greases; Irritant contact dermatitis - detergents & wet work; Allergic contact dermatitis - airborne; Allergic contact dermatitis - agent not elsewhere classified; Allergic contact dermatitis - plant; Allergic contact dermatitis - agrochemical; Allergic contact dermatitis - insecticide; Dermatitis venenata; Contact irritation; Skin sensitizer; Skin sensitizers; Contact eczema
Contact dermatitis is a type of acute or chronic inflammation of the skin caused by exposure to chemical or physical agents. Symptoms of contact dermatitis can include itchy or dry skin, a red rash, bumps, blisters, or swelling.
Wikipédia
Xylenol
Xylenols are organic compounds with the formula (CH3)2C6H3OH. They are volatile colorless solids or oily liquids. They are derivatives of phenol with two methyl groups at various positions relative to the hydroxyl group. Six isomers exist, of which 2,6-xylenol with both methyl groups in an ortho position with respect to the hydroxyl group is the most important. The name xylenol is a portmanteau of the words xylene and phenol.
2,4-Dimethylphenol together with other xylenols and many other compounds are traditionally extracted from coal tar, the volatile materials obtained in the production of coke from coal. These residue contains a few percent by weight of xylenols as well as cresols and phenol. The main xylenols in such tar are the 3,5-, 2,4, and 2,3- isomers. 2,6-Xylenol is produced by methylation of phenol using methanol in the presence of metal oxide catalysts:
- C6H5OH + 2 CH3OH → (CH3)2C6H3OH + 2 H2O
Typically, xylenols also ethylphenols, which have very similar physical properties.
