Bisphenol S

Bisphenol S (BPS) is an organic compound with the formula (HOC6H4)2SO2. It has two phenol functional groups on either side of a sulfonyl group. It is commonly used in curing fast-drying epoxy resin adhesives. It is classified as a bisphenol, and a close molecular analog of bisphenol A (BPA). BPS differentiates from BPA by possessing a sulfone group (SO2) as the central linker of the molecule instead of a dimethylmethylene group (C(CH3)2), which is the case of bisphenol A.

Bisphenol S
Names
Preferred IUPAC name
4,4′-Sulfonyldiphenol
Other names
BPS, 4,4′-sulfonylbisphenol,
Bis(4-hydroxyphenyl)sulfone
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
ECHA InfoCard 100.001.137
EC Number
  • 201-250-5
KEGG
PubChem CID
UNII
  • InChI=1S/C12H10O4S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8,13-14H Y
    Key: VPWNQTHUCYMVMZ-UHFFFAOYSA-N Y
  • InChI=1/C12H10O4S/c13-9-1-5-11(6-2-9)17(15,16)12-7-3-10(14)4-8-12/h1-8,13-14H
    Key: VPWNQTHUCYMVMZ-UHFFFAOYAO
SMILES
  • O=S(=O)(c1ccc(O)cc1)c2ccc(O)cc2
  • c1cc(ccc1O)S(=O)(=O)c2ccc(cc2)O
Properties
C12H10O4S
Molar mass 250.27 g·mol−1
Appearance White colorless solid; forms needle shaped crystals in water
Density 1.3663 g/cm3
Melting point 245 to 250 °C (473 to 482 °F; 518 to 523 K)
1100 mg/L
Solubility Soluble in ethanol
Hazards
GHS labelling:
Warning
H319, H361
P201, P202, P264, P280, P281, P305+P351+P338, P308+P313, P337+P313, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references
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