Dibutyl Phthalate

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dibutyl phthalate

[dī′byüd·əl ′tha‚lāt]
(organic chemistry)
C16H22O4 A colorless liquid, used as a plasticizer and insect repellent.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Dibutyl Phthalate


the di-«-butyl ester of o-phthalic acid, C6H4 (COOC4H9)2; a colorless, oily liquid with a weak fruitlike odor. Boiling point, 206°C (10 mm of mercury); density, 1,047-1,050 kg/m3 (25°C); index of refraction n25D, 1.490-1.493; solubility in water, 0.1 percent (20°C). Dibutyl phthalate is made by reacting n-butanol with phthahc anhydride in the presence of an acid catalyst. It is used to plasticize polyvinyl chloride, polystyrene, and numerous other plastics and synthetic rubbers.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
All conventional nail polishes contain several toxic chemicals that most notably include formaldehyde, toluene, and dibutyl phthalate which are harmful for humans.
Also bought from the same store were art nails that come with an adhesive glue containing banned dibutyl phthalate (DBP), which may cause "allergic reactions (that) can induce a state of hypersensitivity in the immune system," according to the FDA.
In one study of healthy men, it was demonstrated that after applying a body lotion containing 2% each butylparaben, diethyl phthalate (DEP), and dibutyl phthalate (DBP), the butyl paraben was detectable in the serum after only one hour, and in urine with a peak value 8-12 hours later.
Here are the three main ingredients to keep an eye out for: Phthalates (dibutyl phthalate DBP DEP and DMP).
Always free of camphor, dibutyl phthalate, formaldehyde, and toluene, www.palatepolish.com.
Check the composition and watch out for chemicals like toluene, formaldehyde and dibutyl phthalate -- this harmful trio can contribute to problems like dry, chapped and discoloured nails.
These chemicals include triclosan, formaldehyde, toluene, butylparaben, propylparaben, dibutyl phthalate, diethyl phthalate and nonylphenol ethoxylates (NPEs).
Hazard to the developing male reproductive system from cumulative exposure to phthalate esters - Dibutyl phthalate, diisobutyl phthalate, butylbenzyl phthalate, diethylhexyl phthalate, dipentyl phthalate, and diisononyl phthalate.
In both cohorts, crude analyses revealed a significant correlation between prenatal urinary metabolite levels of dibutyl phthalate and butyl benzyl phthalate and language delay in children at a median age of 30 months to 37 months.
The campaign also coincides with the a new product offering, called Orly Breathable Treatment + Color, a set of nail polish with a one-step system (no top base) and a 13 'free' formula, meaning these have been formulated without toluene, formaldehyde, dibutyl phthalate and other harmful chemicals.
Dibutyl phthalate, an aromatic hydrocarbon, is highly toxic, and can enter the body through the gastrointestinal tract and the respiratory system and can be absorbed by skin.