Bisphenol-A Suppliers

Bisphenol A

Bisphenol A (CAS no: 80-05-7) is an organic synthetic compound with two phenol functional groups. The chemical formula of Bisphenol A is (CH₃)₂C(C₆H₄OH)₂. It belongs to the group of diphenylmethane derivatives and bisphenols having two hydroxyphenyl groups. Bisphenol A is colourless which is soluble in organic solvents like ethanol and alkali.  It is less soluble in water.

Production

Bisphenol A suppliers and manufacturer produce the chemical by the condensation reaction of phenol and propanone (acetone), utilising an acid catalyst which is hydrochloric acid.

Subsequently, the reaction and recovery of acid and phenol, the Bisphenol A is washed with water, neutralised with calcium hydroxide and distilled beneath vacuum. Novel process employs the distillation and extractive crystallisation under pressure to purify the Bisphenol A.  

Two grades of Bisphenol A are produced: first which is appropriate for epoxy resin manufacturing and another one for higher purity grade for polycarbonate production.

Applications

• Bisphenol A is a chemical that has been made use to harden plastics for more than 40 years. It's in medical devices, compact discs, dental sealants, water bottles, the lining of canned foods and drinks, and many other products.

• People buy Bisphenol A which is commonly found in baby bottles, sippy cups, baby formula cans, and other products for babies and young children.

• Epoxy resins manufactured from BPA are tough and quickly stick on to the metal surfaces, making them an excellent material for protective coatings.

• Industries buy Bisphenol A used to make Polycarbonate plastic is shatter-resistant, lightweight, and has high optical clarity similar to glass.

• Electrical and electronics industry buy Bisphenol A based polycarbonates plastic to store data.

• Medical and pharmaceuticals industries buy Bisphenol A for hygiene, sterilization in healthcare sector.

• Food and beverages suppliers and manufacturer use for protecting food from contamination, spoilage and cans with epoxy resin linings have a shelf life of two years or longer.

Safety

Bisphenol A is safe as it is used in food-contact applications. Yet, the Food and Drug Administration (FDA) has declared that BPA is safe at the very low levels that take place in some foods. This assessment is based on review of hundreds of studies.

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