Dibutyl phthalate: Overview
Description
Dibutyl phthalate is a man-made chemical that is added to plastics and other chemicals. In plastics it helps keep them soft (a plasticizer). It is also used in elastomers, lacquers, explosives, printing inks, resin solvents, perfume oil solvents, paper coatings, adhesives, and nail polish. It is used as a solid rocket propellant.
Substance details
Substance name: Dibutyl phthalate
CASR number: 84-74-2
Molecular formula: C16H22O4
Synonyms: DBP; Di-n-Butyl Phthalate; n-Butyl phthalate; 1,2-Benzenedicarboxylic acid dibutyl ester; Phthalic acid dibutyl ester; o-benzenedicarboxylic acid, dibutyl ester; benzene-o-dicarboxylic acid di-n-butyl ester; dibutyl 1,2-benzenedicarboxylate; Benzenedicarboxylic acid, dibutylester; Dibutyl o-Phthalate
Physical properties
Dibutyl phthalate is a colourless, oily liquid with a weak odour.
Melting Point: -35°C
Boiling Point: 340°C
Specific Gravity: 1.043
Vapour Density: 9.6
Flashpoint: 171°C
Chemical properties
Dibutyl phthalate is soluble in most organic solvents, but only slightly soluble in water.
Further information
The National Pollutant Inventory (NPI) holds data for all sources of dibutyl phthalate emissions in Australia.
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