Bisphenol S

Chembox new
Name = Bisphenol S
ImageFile = Bisphenol S.jpg
ImageName = Bisphenol S
Section1 = Chembox Identifiers
CASNo = 80-09-1
IUPACName = 4,4'-Sulfonyldiphenol
OtherNames = BPS, 4,4'-Sulfonylbisphenol,
Bis(4-hydroxyphenyl)sulfone
Section2 = Chembox Properties
Formula = C₁₂H₁₀O₄S
MolarMass = 250.275 g/mol
Appearance = White colorless solid; forms needle shaped crystals in water
Density = 1.3663 g/cm³, solid
Solubility = insoluble in water; soluble in EtOH
MeltingPt = 245 to 250 °C [www.sigmaaldrich.com [http://www.sigmaaldrich.com/catalog/search/ProductDetail/ALDRICH/103039] ]
Section3 = Chembox Hazards
RPhrases = 36 [http://www.sigmaaldrich.com/Help_Pages/Help_Welcome/Product_Search/Risk___Safety_Statements.html#Risk%20Phrases]
SPhrases = 26 [http://www.sigmaaldrich.com/Help_Pages/Help_Welcome/Product_Search/Risk___Safety_Statements.html#Safety%20Phrases]

Bisphenol S (abbreviated BPS) is an organic compound with the formula (C₆H₄OH)₂SO₂. It has two phenol functional groups on either side of a sulfonyl group. It is commonly used as a reactant in epoxy reactions, and is used in curing fast drying epoxy resin glues.

ynthesis

Bisphenol S is prepared by the reaction of two equivalents of phenol with one equivalent of sulfuric acid. : 2 C₆H₅OH + H₂SO₄ → (C₆H₄OH)₂SO₂This reaction can also produce 2,4'-Sulfonyldiphenol.

History and Use

Bisphenol S is used in curing fast drying epoxy glues, and as an anti-corrosive. It is also commonly used as a reactant in polymer reactions.

References