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Biphenol S; BPS

Synonyms:
4,4'-Sulfonyldiphenol
4,4'-Dihydroxydiphenylsulfone;
Bis(4-hydroxyphenyl) sulfone;
SDP
CAS No.: 80-09-1
EINECS No.: 201-250-5
Molecular Formula: C12H10O4S
M.W.: 250.27

Properity:
Melting point: 245-250 ºC
Water solubility: 1.1 g/L (20 ºC)

Application:
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 a bisphenol, and a close analog of bisphenol A (BPA) in which the dimethylmethylene group (C(CH3)2) is replaced with a sulfone group (SO2).
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