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Phthalates (US: / ˈ θ æ l eɪ t s / UK: / ˈ (f) θ æ l eɪ t s ˌ ˈ (f) θ æ l ɪ t s / [1] [2]), or phthalate esters, are esters of phthalic acid. They are mainly used as plasticizers , i.e., substances added to plastics to increase their flexibility, transparency, durability, and longevity.
Dibutyl phthalate (DBP) is an organic compound which is commonly used as a plasticizer because of its low toxicity and wide liquid range. With the chemical formula C 6 H 4 (CO 2 C 4 H 9 ) 2 , it is a colorless oil, although impurities often render commercial samples yellow.
Diisobutyl phthalate (DIBP) is a phthalate ester having the structural formula C 6 H 4 (COOCH 2 CH(CH 3) 2) 2. It is formed by the esterification of isobutanol and phthalic anhydride . This and other phthalates are used as plasticizers due to their flexibility and durability.
Bis(2-ethylhexyl) phthalate (di-2-ethylhexyl phthalate, diethylhexyl phthalate, diisooctyl phthalate, DEHP; incorrectly — dioctyl phthalate, DIOP) is an organic compound with the formula C 6 H 4 (CO 2 C 8 H 17) 2. DEHP is the most common member of the class of phthalates, which are used as plasticizers.
Phthalic anhydride treated with cellulose acetate gives cellulose acetate phthalate (CAP), a common enteric coating excipient that has also been shown to have antiviral activity. [12] Phthalic anhydride is a degradation product of CAP.
Cellulose acetate phthalate (CAP), also known as cellacefate and cellulosi acetas phthalas, is a commonly used polymer phthalate in the formulation of pharmaceuticals, such as the enteric coating of tablets or capsules and for controlled release formulations.
The odds of further interest rate cuts this year by the Federal Reserve dwindled last week as unemployment fell and more officials say they want to see how new policies from the White House affect ...
In a similar application, some spackling used to repair holes in drywall contains phenolphthalein. When applied, the basic spackling material retains a pink color; when the spackling has cured by reaction with atmospheric carbon dioxide, the pink color fades.