Bisphenol A (BPA) CAS No: 80-05-7

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BPA is used in polycarbonate roofing (source: Sabic)The main market for bisphenol-A (BPA) is in the production of polycarbonate (PC) with the second largest outlet being epoxy resins. BPA consumption has been driven primarily by increasingly strong demand for polycarbonate resins. The other driver behind BPA demand is the strong growth in Asia, particularly China.

 

Global BPA consumption has increased at average rate of almost 10%/year from 2003 to 2006, driven by polycarbonate demand and improved epoxy resin markets. However, growth has slowed considerably with European markets flat and the strongest demand in Asia.

 

Bisphenol A is produced by the condensation of phenol and acetone in the presence of an acid catalyst or cation exchange resin and usually a promoter such as methyl mercaptan. Two grades of BPA are produced for epoxy resin manufacture and for polycarbonate production.

 

Bisphenol A occurs as white crystals or flakes with a slightly phenolic odour. BPA dust, vapour and solutions can cause irritation to the skin, lungs and eyes.

Bisphenol A Price Reports

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Bisphenol A Uses and Outlook

The main market for bisphenol-A (BPA) is in the production of polycarbonate (PC) with the second largest outlet being epoxy resins. Other uses include flame retardants (mainly tetrabromobisphenol-A), unsaturated polyester resins and polyacrylate, polyetherimide and polysulphone resins.
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Bisphenol A Process Technologies

Bisphenol A is produced by the condensation of phenol and acetone in the presence of an acid catalyst (hydrogen chloride) and usually a promoter such as methyl mercaptan. Cation exchange resins can replace the acid catalyst in newer plants.
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Bisphenol A Synonyms & Abbreviations

  • 2,2-bis(4-hydroxyphenol)propane
  • 2,2-Bis(4-hydroxyphenyl)
  • 4,4'-bisphenol A
  • 4,4'-dihydroxydiphenyl dimethylmethane
  • 4,4'-Isopropylidene diphenol
  • 4,4'-isopropylidenediphenol
  • Bis (4-hydroxyphenyl) dimethylmethane
  • Bis(4-hydroxyphenol)propane
  • Diphenylolpropane
  • Isopropylidenediphenol
  • p,p'-dihydroxydiphenyl dimethylmethane
  • propane Bisphenol A
  • BPA
  • DPP

Bisphenol A Properties

Auto-ignition temperature oC
600
Boiling point oC
250-252
Flash point oC
207
Melting point oC
152-153
Molecular mass
228.3
Octanol/water partition coefficient (log Pow)
3.32
Relative density (water = 1)
1.2
Vapour pressure (Pa at 190oC)
87
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