He did not survive the sinking.
After the sinking, the CS Mackay-Bennett was sent out to recover dead bodies from the sea. #232 was not identified at sea and was brought to Halifax. Finally, on May 11th, almost a month after the disaster, body #232 was identified as Sante Righini and was forwarded to New York for his widow, under the care of F. W. Wender.
NO. 232. - MALE. - ESTIMATED AGE, 33. HAIR, DARK; SLIGHT MOUSTACHE.
CLOTHING - Black pants; grey overcoat, marked "Sante."
EFFECTS - Ring "R. S.," left on finger.