Bisphenol A
What is Bisphenol A ? Bisphenol A scientific name 2,2- bis (4- hydroxy phenyl) propane, also known as two phenolic propane, referred to as bisphenol bisphenol (BPA), the English name A. White crystal, flammable, microstrip phenol odor. Boiling point 250-252℃(1.73kPa). Pure product melting point 155-156 ℃, industrial product melting point 150-152℃. Relative density 1.195 (25℃), flash point 79.4℃. Soluble in ethanol, acetone, ether, benzene and dilute alkali solution, slightly soluble in carbon tetrachloride, almost insoluble in water.
Bisphenol A is synthesized from phenol and acetone in acidic medium. It is used as the main raw material in epoxy resin, polycarbonate, polysulfone, polyurethane, phenolic resin, unsaturated polyester resin, flame retardant and so on. Bisphenol A is basically divided into 2 grades: carbon and epoxy.
Hazard sources of bisphenol A Researchers in the United States have found that bisphenol A, a chemical commonly found in plastic bottles, can cause cancer and other disorders. In addition, bisphenol A can make the human body hormonal disorders, may have potential harm to the growth, development and reproduction, although this conclusion has not been affirmed the authority of the Department, but on the part of consumers caused by consumer panic.
National restrictions on bisphenol A China: GB31604.10-2016 national food safety standards for food contact materials and products 2,2- two (4- hydroxy phenyl) propane (bisphenol A) migration determination. Limited value 0.6mg/kg EU: European Commission (EU) regulations NO.10/2011 is expected to be in contact with food and plastic products BPA/ bisphenol . A limit of 0.6mg/kg.
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