Section 06 Products of the chemical or allied industries 29 Organic chemicals 29 07 Phenols; phenol-alcohols 29 07 23 4,4'-isopropylidenediphenol (bisphenol A , diphenylolpropane) and salts Commodity Code Description 29 07 23 00 4,4'-isopropylidenediphenol (bisphenol A , diphenylolpropane) and salts