What type of toxin is bisphenol A?
Highlights. Bisphenol A (BPA) is a synthetic xenoestrogen widespread in the environment. Man is exposed to BPA mainly by food and to a lower extent by drinking water and dust. BPA exhibits toxic, endocrine, mutagenic and carcinogenic effect in living organisms.
How is bisphenol A formed?
How is bisphenol A made? It’s made by a condensation reaction between phenol and propanone (acetone), using an acid catalyst such as hydrochloric acid. Annual production of BPA is two-three million tonnes.
What are the properties of bisphenol A?
BPA is a xenoestrogen, exhibiting hormone-like properties that mimic the effects of estrogen in the body….Bisphenol A.
| Names | |
|---|---|
| Density | 1.20 g/cm3 |
| Melting point | 155 °C (311 °F; 428 K) |
| Boiling point | 250–252 °C (482–486 °F; 523–525 K) at 13 torrs (0.017 atm) |
| Solubility in water | 120–300 ppm (21.5 °C) |
What is the structure of BPA?
C15H16O2Bisphenol A / Formula
What contains bisphenol A?
Bisphenol A (BPA) is a chemical produced in large quantities for use primarily in the production of polycarbonate plastics. It is found in various products including shatterproof windows, eyewear, water bottles, and epoxy resins that coat some metal food cans, bottle tops, and water supply pipes.
WHAT IS a in bisphenol A?
Description. Bisphenol A is a diphenylmethane derivative with two hydroxyphenyl groups. Bisphenol A (BPA) is a colorless solid that is used in the synthesis of commercial plastics, including polycarbonates and epoxy resins, which are incorporated into a wide variety of consumer goods.
Which of the following is the best description of bisphenol A?
bisphenol A (BPA), a colourless crystalline solid belonging to the family of organic compounds; its molecular formula is C15H16O2. BPA is best known for its use in the manufacture of polycarbonate plastics and epoxy resins, particularly those found in water bottles, baby bottles, and other beverage and food containers.
Is bisphenol A an acid or base?
According to Staples et al. (39), BPA is a weak organic acid which can dissociate in a solution as either an anionic (pKa1) or dianionic species (pKa2) (Figure 9). Generally, when pH = pKa, neutral and ionic species exist in equal concentrations. …
Is BPA an organic molecule?
What is bisphenol A chemistry?
What is bisphenol A quizlet?
definition of BPA. a chemical used in the manufacturing of polycarbonate plastic or epoxy resins. Sources. foods that come into contact with refillable drinks bottles and food storage containers.
Which plastics contain bisphenol A?
For example, BPA is used in polycarbonate plastics, a high-performance transparent, rigid plastic. Polycarbonate is used to make food containers, such as reusable beverage bottles, tableware (plates and mugs) and storage containers.
Which functional groups are found in BPA?
Bisphenol A, commonly abbreviated as BPA, is an organic compound with two phenol functional groups. It is a difunctional building block of several important plastics and plastic additives.
What products contain bisphenol A?
What products have BPA?
- Canned foods, because most metal cans are lined with a sealant containing BPA.
- Sports water bottles may contain BPA if bought before July 2012.
- Baby bottles, sippy cups and other containers designed for children 3 years old and younger may contain BPA if bought before July 2011.
- Baby pacifiers.
Is bisphenol A an additive?
Uses of all substances that migrate from packaging into food, including BPA, are subject to premarket approval by FDA as indirect food additives or food contact substances.
What type of chemical is bisphenol A BPA quizlet?
BPA stands for Bisphenol A, an organic synthetic compound used in cam linings, water bottles, and polycarbonate plastics. BPA is found in many casings and bottles of items. This causes the chemicals to slowly seep into the food we eat.
What is one way in which bisphenol A BPA affects the human body quizlet?
BPA is harmful to humans and animals because it can cause mammary and prostate cancer, genital defects, early onset puberty, obesity, and behavior problems.
What is bisphenol A found in?
BPA stands for bisphenol A, an industrial chemical that has been used to make certain plastics and resins since the 1950s. BPA is found in polycarbonate plastics and epoxy resins. Polycarbonate plastics are often used in containers that store food and beverages, such as water bottles.