FIELD: organic synthesis. SUBSTANCE: present invention describes novel 2,2-bis-3-(sulphoxypropyloxy) phenylethanol of formula I. This compound is prepared by reacting phenyl glyoxal and hydroxypropyl sulfonic acid solution salt in the presence of sulfuric acid is benzene on heating. The photopolymerizable composition prepared in the presence of photoinitiator, has high reproduction and graphic parameters. Photoinitiator has the following structure: 
. EFFECT: improved properties of the photoinitiator.
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