Definitions for phthalate
This page provides all possible meanings and translations of the word phthalate
any salt or ester of a phthalic acid
a salt of phthalic acid
Phthalates, or phthalate esters, are esters of phthalic acid and are mainly used as plasticizers. They are used primarily to soften polyvinyl chloride. Phthalates are being phased out of many products in the United States, Canada, and European Union over health concerns. In 2010, the market was still dominated by phthalate plasticizers, however, due to legal provisions and growing environmental awareness, producers are increasingly forced to use non-phthalate plasticizers. Phthalates are used in a large variety of products, from enteric coatings of pharmaceutical tablets and nutritional supplements to viscosity control agents, gelling agents, film formers, stabilizers, dispersants, lubricants, binders, emulsifying agents, and suspending agents. End-applications include adhesives and glues, electronics, agricultural adjuvants, building materials, personal-care products, medical devices, detergents and surfactants, packaging, children's toys, modeling clay, waxes, paints, printing inks and coatings, pharmaceuticals, food products, and textiles. Phthalates are easily released into the environment because there is no covalent bond between the phthalates and plastics in which they are mixed. As plastics age and break down, the release of phthalates accelerates. People are commonly exposed to phthalates, and most Americans tested by the Centers for Disease Control and Prevention have metabolites of multiple phthalates in their urine. Because phthalate plasticizers are not chemically bound to PVC, they can easily leach and evaporate into food or the atmosphere. Phthalate exposure can be through direct use or by indirect means through leaching and general environmental contamination. Diet is believed to be the main source of di phthalate and other phthalates in the general population. Fatty foods such as milk, butter, and meats are a major source.
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